제출 #850583

#제출 시각아이디문제언어결과실행 시간메모리
850583hqminhuwuCrocodile's Underground City (IOI11_crocodile)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define forr(_a,_b,_c) for(_a = _b; _a <= _c; ++_a) #define ford(_a,_b,_c) for(_a = (_b) + 1; _a --> _c;) #define forf(_a,_b,_c) for(_a = _b; _a < _c; ++_a) #define st first #define nd second #define ll long long #define ull unsigned long long #define pii pair <int,int> #define pll pair <ll,ll> #define piii pair <int,pii> #define vi vector <int> #define pb push_back #define mp make_pair #define all(x) begin(x),end(x) #define file "test" using namespace std; const int N = 2e5 + 5; const ll oo = 1e9 + 1; const ll mod = 1e9 + 7; priority_queue <pll,vector<pll>,greater<pll>> q; int n,m,k,i,u,v,w; pll d[N]; vector <pll> a[N]; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> m >> k; forr (i,1,m){ cin >> u >> v >> w; a[u].pb({v,w}); a[v].pb({u,w}); } forr (i,0,n - 1) d[i] = {oo,oo}; forr (i,1,k) cin >> u, q.push({0,u}),d[u] = {0,0}; while (!q.empty()){ pii u = q.top(); q.pop(); if (u.st != d[u.nd].nd) continue; //cout << u.st << " " << u.nd << "\n"; for (pll v : a[u.nd]){ ll cost = u.st + v.nd; //cout << cost << "\n"; if (cost < d[v.st].st){ d[v.st] = {cost,d[v.st].st}; if (d[v.st].nd != oo) q.push({d[v.st].nd,v.st}); } else if (cost < d[v.st].nd){ d[v.st].nd = cost; q.push({cost,v.st}); } } } cout << d[0].nd; return 0; } /* */

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccqgAUck.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccWPBTUi.o:crocodile.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccqgAUck.o: in function `main':
grader.cpp:(.text.startup+0x36): undefined reference to `travel_plan(int, int, int (*) [2], int*, int, int*)'
collect2: error: ld returned 1 exit status