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33 lines
747 B
33 lines
747 B
#include <bits/stdc++.h>
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//P1014
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using namespace std;
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int main() {
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int i = 1, j = 1;
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int n;
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cin >> n;
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//k 计数
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for (int k = 1; k < n; k++) {
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if (i == 1 && j % 2 == 1)// 当处于第一行,且 j 为奇数
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{
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// 则向右移动
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j++;
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} else if (j == 1 && i % 2 == 0)// 当处于第一列,且 i 为偶数
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{
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// 则向下移动
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i++;
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} else if ((i + j) % 2 == 1)// 当 i+j 为奇数
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{
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// 向左下方移动
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i++;
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j--;
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} else// 当 i+j 为偶数
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{
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// 向右上方移动
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i--;
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j++;
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}
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}
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cout << i << "/" << j << endl;
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return 0;
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} |