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【记忆化路线】 Spirit of Cola. https://ac.nowcoder.com/acm/contest/110312/J 注意写法积累! (1)vector多维数组 //记最短路 vector dp(c[0] + 1, vector(c[1] + 1, vector<int>(c[2 阅读全文
posted @ 2025-05-18 19:04
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【树上前缀和】 Compare Tree Weights 【树链剖分+树状数组维护顶点前缀和】 https://atcoder.jp/contests/abc406/tasks/abc406_f #include<bits/stdc++.h> using namespace std; #define 阅读全文
posted @ 2025-05-18 07:59
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