ColobocCodeforces's blog

n = int(input()) s = [] for i in range(n): s.append([]) for u in range(n): f = list(map(int,input().split())) o = 0 for elem in f: o += 1 if elem == 1: s[u].append(o) w = list(map(int,input().split())) for op in s: for elem in op:
By ColobocCodeforces, history, 5 years ago, In Russian

n = int(input()) s = [] for i in range(n): s.append([]) for u in range(n): f = list(map(int,input().split())) o = 0 for elem in f: o += 1 if elem == 1: s[u].append(o) w = list(map(int,input().split())) for op in s: for elem in op:

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