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真实一踏糊涂啊......连lcm都不能一次ac...... 最搞笑的是居然A贡献了3次CE......-_-b 然后D又因为id=(m+1)/2写成了id=m/2调了1个小时...... 还有那阴险的F...... Followed by: Post your reply here: |
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