2018-2019 ICPC, NEERC, Southern Subregional Contest 7/13

A Solved: 01:19 (BPM136) 状态只有NM种，bfs便可node #include <bits/stdc++.h> using namespace std; struct node { int r; string s; int sum; }; bool vis[505][5005]; int d, s; int main() { cin >> d >> s;

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