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U33405 纽约 花费 $w$ 元可以购买一辆容量为 $w$ 的车 现在你有 $n include include include include include define LL long long define REP(i, x, y) for(int (i) = (x);(i) '9'){ 阅读全文
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P1631 序列合并 题目描述 有两个长度都是N的序列A和B,在A和B中各取一个数相加可以得到N^2个和,求这N^2个和中最小的N个。 对于100%的数据中,满足1 include include include include include include define LL long long 阅读全文
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P4888 三去矩阵 给出一个字符矩阵, 多次询问求以 $(x, y)$ 为中心的最长回文串长度(即横竖两种) $l, q include include include include include define LL long long using namespace std; int RD( 阅读全文
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P2306 被yyh虐的mzc 容量为 $V$, 有 $n$ 件物品, ~~反正直接背包绝对超时~~ , 每个有重量和价值 $a_{i}, b_{i}(a_{i}, b_{i} include include include include include define LL long long u 阅读全文