제출 #766418

#제출 시각아이디문제언어결과실행 시간메모리
766418irmuunTraffic (IOI10_traffic)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> //#include "traffic.h" using namespace std; #define pb push_back #define ll long long #define ff first #define ss second #define all(s) s.begin(),s.end() const int maxn=1e6; const ll INF=1e18; vector<int>adj[maxn],used(maxn,0),par(maxn); ll tot[maxn]; int LocateCentre(int N, int P[], int S[], int D[]) { ll all=0; for(int i=0;i<N-1;i++){ adj[S[i]].pb(D[i]); adj[D[i]].pb(S[i]); } for(int i=0;i<N;i++){ all+=P[i]; } function <void(int)> dfs=[&](int x){ used[x]=1; tot[x]+=(ll)P[x]; for(auto y:adj[x]){ if(used[y]==0){ par[y]=x; dfs(y); tot[x]+=(ll)P[y]; } } }; function <ll(int,int)> num=[&](int x,int y){ if(par[y]==x){ return tot[y]; } else{ return all-tot[x]; } }; dfs(0); par[0]=-1; ll mn=INF; int ans=0; for(int i=0;i<N;i++){ ll cur=0; for(auto y:adj[i]){ cur=max(cur,num(i,y)); } cout<<i<<' '<<cur<<"\n"; if(cur<mn){ mn=cur; ans=i; } } return ans; } int main(){ int P[5]={10,10,10,20,20},S[4]={0,1,2,3},D[4]={2,2,3,4}; cout<<LocateCentre(5,P,S,D); }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccouFEdz.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccw6iLuB.o:traffic.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status