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20 lines
652 B
20 lines
652 B
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int n, m;
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while (~scanf("%d %d", &n, &m)) {
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int res = 0;
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for (int i = 1; i <= n; ++i) {
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int a, b;
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scanf("%d %d", &a, &b);
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// 两个棋子的距离的绝对值减1.因为我们看当两个棋子相邻的时候，
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// 已经是一个必败态了。不信我贴着你，你走吧。你走一步我跟一步，最后你将无路路可走
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res = res ^ (abs(a - b) - 1);
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}
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if (res == 0)
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puts("BAD LUCK!");
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else
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puts("I WIN!");
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}
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return 0;
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} |