Submission #298580

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
298580	2020-09-13T08:33:11 Z	ak2006	Traffic (IOI10_traffic)	C++14	Compilation error	0 ms	0 KB

traffic

#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main()
{
    int n;
    cin>>n;
    vector<int>p(n);
    int tot = 0;
    for(int i = 0;i<n;i++){cin>>p[i];tot+=p[i];}
    vector<vector<int>>adj(n);
    for(int i = 0;i<n-1;i++){int a,b;cin>>a>>b;adj[a].push_back(b);adj[b].push_back(a);}
    int ans = 1e15,cur = 0;
    for(int i = 0;i<n;i++){ans = min(ans,max(cur,tot-cur));}
    cout<<ans;
    return 0;
}

Compilation message

/tmp/ccSIlE0M.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccb2rLiz.o:traffic.cpp:(.text.startup+0x0): first defined here
/tmp/ccSIlE0M.o: In function `main':
grader.cpp:(.text.startup+0xad): undefined reference to `LocateCentre(int, int*, int*, int*)'
collect2: error: ld returned 1 exit status