Statement | You are given N 'o's. Change i-th character of S as below for each i (1 ≤ i ≤ N). * i is multiple of 3 but not multiple of 5: 'f' * i is multiple of 5 but not multiple of 3: 'b' * i is multiple of 3 and 5: 'z' * otherwise: don't change Constraint * 1 ≤ N ≤ 100 |
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