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Problem StatementThere is a $N \times N$ grid, with blocks on some squares. The grid is described by $N$ strings $S_1,S_2,\dots,S_N$, as follows. If t 阅读全文
posted @ 2023-01-03 20:50
灰鲭鲨
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Problem StatementYou are given two sequences of integers of length $N$: $A = (A_1, A_2, \ldots, A_N)$ and $B = (B_1, B_2, \ldots, B_N)$. Print the num 阅读全文
posted @ 2023-01-03 17:09
灰鲭鲨
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Problem StatementThis is an interactive task, where your and the judge's programs interact via Standard Input and Output. You and the judge will follo 阅读全文
posted @ 2023-01-03 16:45
灰鲭鲨
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Problem StatementA box contains $N$ balls, each with an integer between $1$ and $M-1$ written on it. For $i = 1, 2, \ldots, N$, the integer written on 阅读全文
posted @ 2023-01-03 16:37
灰鲭鲨
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