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‎arc026/a/main.py‎

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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import itertools
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

‎arc026/b/main.py‎

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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import itertools
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

‎arc026/c/main.py‎

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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import itertools
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

‎arc026/contest.acc.json‎

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{
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"contest": {
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"id": "arc026",
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"title": "AtCoder Regular Contest 026",
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"url": "https://atcoder.jp/contests/arc026"
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},
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"tasks": [
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{
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"id": "arc026_1",
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"label": "A",
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"title": "ダイナミックなポーズ",
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"url": "https://atcoder.jp/contests/arc026/tasks/arc026_1",
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"directory": {
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"path": "a",
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"testdir": "test",
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"submit": "main.py"
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}
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},
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{
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"id": "arc026_2",
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"label": "B",
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"title": "完全数",
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"url": "https://atcoder.jp/contests/arc026/tasks/arc026_2",
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"directory": {
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"path": "b",
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"testdir": "test",
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"submit": "main.py"
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}
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},
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{
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"id": "arc026_3",
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"label": "C",
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"title": "蛍光灯",
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"url": "https://atcoder.jp/contests/arc026/tasks/arc026_3",
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"directory": {
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"path": "c",
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"testdir": "test",
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"submit": "main.py"
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}
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},
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{
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"id": "arc026_4",
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"label": "D",
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"title": "道を直すお仕事",
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"url": "https://atcoder.jp/contests/arc026/tasks/arc026_4",
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"directory": {
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"path": "d",
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"testdir": "test",
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"submit": "main.py"
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}
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}
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]
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}

‎arc026/d/main.py‎

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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import itertools
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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class UnionFind:
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def __init__(self, N): self.N, self.group_count, self.root, self.rank = N, N, [-1] * N, [0] * N
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def __repr__(self): return str(self.all_groups())
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def find(self, x):
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while self.root[x] >= 0: x = self.root[x]
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return x
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def union(self, x, y):
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x, y = self.find(x), self.find(y)
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if x == y: return
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if self.rank[x] > self.rank[y]: x, y = y, x
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self.root[y] += self.root[x]
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self.root[x] = y
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if self.rank[x] == self.rank[y]: self.rank[y] += 1
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self.group_count -= 1
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def same(self, x, y): return self.find(x) == self.find(y)
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def count(self, x): return -self.root[self.find(x)]
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def members(self, x): return [i for i in range(self.N) if self.same(x, i)]
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def roots(self): return [i for i, x in enumerate(self.root) if x < 0]
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def all_groups(self):
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d = defaultdict(lambda: [])
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for i in range(self.N): d[self.find(i)].append(i)
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return dict(d)
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def main():
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N, M = LI()
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ABCT = sorted(LIR(M), key=lambda x: x[2])
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left, right = 0, pow(10, 7)
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epsilon = pow(10, -6)
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while abs(right - left) > epsilon:
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mid = (right + left) / 2
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cost = 0
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uf = UnionFind(N)
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for a, b, c, t in sorted(ABCT, key=lambda x: x[2] - x[3]*mid):
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if c - t * mid <= 0 or not uf.same(a, b):
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uf.union(a, b)
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cost += c - t * mid
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if cost <= 0: right = mid
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else: left = mid
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print(right)
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if __name__ == '__main__':
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main()

‎arc027/a/main.py‎

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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7+
import itertools
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

‎arc027/b/main.py‎

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
6+
7+
import itertools
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import math, fractions
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import sys, copy
10+
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

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