제출 #970589

#제출 시각아이디문제언어결과실행 시간메모리
970589SuPythony사이버랜드 (APIO23_cyberland)C++17
0 / 100
1122 ms2097152 KiB
#include "cyberland.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; vector<vector<pair<int,int>>> al; int ans; void dfs(int i, int p, int c, int f, vector<int> a) { if (i==f) { ans=c; return; } for (auto v: al[i]) { if (v.first==p) continue; dfs(v.first,i,v.second+(a[i]==0?0:c),f,a); } } double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> a) { ans=-1; al.assign(N,vector<pair<int,int>>()); for (int i=0; i<M; i++) { al[x[i]].push_back({y[i],c[i]}); al[y[i]].push_back({x[i],c[i]}); } dfs(0,-1,0,H,a); return double(ans); }
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