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Problem StatementThere is a rectangle in the $xy$-plane. Each edge of this rectangle is parallel to the $x$- or $y$-axis, and its area is not zero. Gi 阅读全文
posted @ 2022-09-30 18:59
灰鲭鲨
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section> Problem StatementFrom the point $(0,0)$ in a two-dimensional plane, let us move the distance of $1$ toward the point $(A, B)$. Find our coord 阅读全文
posted @ 2022-09-30 18:58
灰鲭鲨
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Problem StatementThere are $N$ items in a shop. For each $i = 1, 2, \ldots, N$, the price of the $i$-th item is $A_i$ yen (the currency of Japan). Tak 阅读全文
posted @ 2022-09-30 18:55
灰鲭鲨
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Problem StatementGiven an integer $N$, find the smallest integer $X$ that satisfies all of the conditions below. $X$ is greater than or equal to $N$. 阅读全文
posted @ 2022-09-30 18:52
灰鲭鲨
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Problem StatementWe have an $N \times N$ chessboard. Let $(i, j)$ denote the square at the $i$-th row from the top and $j$-th column from the left of 阅读全文
posted @ 2022-09-30 18:46
灰鲭鲨
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Problem StatementWe have a typewriter with $N$ rows. The keys in the $i$-th row from the top can type the characters in a string $S_i$. Let us use thi 阅读全文
posted @ 2022-09-30 18:42
灰鲭鲨
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Problem StatementThere is a rooted tree with $N$ vertices, Vertex $1$ being the root. For each $i = 1, 2, \ldots, N-1$, the $i$-th edge connects Verte 阅读全文
posted @ 2022-09-30 18:35
灰鲭鲨
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Problem StatementYou are given a string $S$ of length $N$ consisting of 0, 1, and ?. You are also given $Q$ queries $(x_1, c_1), (x_2, c_2), \ldots, ( 阅读全文
posted @ 2022-09-30 18:14
灰鲭鲨
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