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void wri(int k) { if(k) { wri(k / 10); putchar(k % 10 + '0'); } } inline void write(int k) { if(k < 0) putchar('-'),k = -1 * k; if(k == 0){putchar('0');return;} wri(k); } ... 阅读全文
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快速读入模板。 阅读全文
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树状数组模板 教程有时间补上 阅读全文
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P2903 [USACO08MAR]麻烦的干草打包机The Loathesome Hay Baler 题目描述 Farmer John has purchased the world's most loathesome hay baler. Instead of having a drive-rol 阅读全文