repair repetitions

Author: AmitPress

Introductory-Problems/Missing-Number.py

@@ -0,0 +1,17 @@
+n = int(input())
+arr = list(map(int, input().split()))
+
+
+# run time error
+#
+# for i in range(n-1):
+#     if i+1 not in arr:
+#         print(i+1)
+#         break
+
+all_sum = sum(arr)
+# print(all_sum)
+ideal_sum = n * (n + 1) // 2
+# print(ideal_sum)
+ans = ideal_sum - all_sum
+print(ans)

Introductory-Problems/Repetitions.py

@@ -0,0 +1,14 @@
+sq = [i for i in input().split()] # ACCCGTC
+s = set([sq[0]])
+max_val = 1
+cnt = 0
+for i in range(1, len(sq)):
+    if len(s) == 1:
+        cnt += 1
+        max_val = max(max_val, cnt)
+        s.add(sq[i])
+    else:
+        s.pop(0)
+        cnt = 0
+print(max_val) # wrong ans
+