제출 #971427

#제출 시각아이디문제언어결과실행 시간메모리
971427Nomio사이버랜드 (APIO23_cyberland)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { ios::sync_with_stdio(0); cin.tie(0); int n, m, k, h; cin >> n >> m >> k >> h; vector<pair<int, int>> v[n]; while(m--) { int x, y, c; cin >> x >> y >> c; v[x].push_back({y, c}); v[y].push_back({x, c}); } vector<bool> V(n, 0); for(int i = 0; i < n; i++) { int a; cin >> a; if(a == 0) { V[i] = 1; } } priority_queue<pair<ll, int>, vector<pair<ll, int>>, greater<pair<ll, int>>> pq; vector<ll> dis(n, 1e18); dis[0] = 0; pq.push({0, 0}); while(!pq.empty()) { ll x = pq.top().first; int y = pq.top().second; pq.pop(); if(dis[y] != x) continue; for(pair<int, int> p : v[y]) { int X = p.first; int Y = p.second; if(V[X] && dis[X] != 0) { dis[X] = 0; pq.push({0, X}); } else if(dis[X] > dis[y] + Y) { dis[X] = dis[y] + Y; pq.push({dis[X], X}); } } } if(dis[h] == 1e18) { cout << -1 << '\n'; } else { cout << dis[h] << '\n'; } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cchVzObA.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cceZh5Ay.o:cyberland.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cchVzObA.o: in function `main':
grader.cpp:(.text.startup+0x696): undefined reference to `solve(int, int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status