摘要:
可持久化trie。考场上我脑补了一个trie树合并也A了 cpp include include include using namespace std; int n, k, m, dfnl[100005], dfnr[100005], idx, rot[100005], v[100005], uu 阅读全文
posted @ 2018-05-06 21:29
poorpool
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超 dark van♂全背包 "ref1" "ref2" 阅读全文
posted @ 2018-05-06 20:02
poorpool
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"problem" cpp include include include using namespace std; typedef long long ll; int n, a[2005]; ll dp[2005][2005]; int main(){ cin n; for(int i=1; i 阅读全文
posted @ 2018-05-06 17:12
poorpool
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