Submission #373484

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
373484	2021-03-04 19:50:31	eulerdesoja	Traffic (IOI10_traffic)	C++14	Compilation error	0 ms	0 KiB

traffic

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#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define int long long
#define pb push_back
#define sz(x) int(x.size())
typedef pair<int,int>ii;
typedef vector<int> vi;
const int mxn=1e6+6;
vi g[mxn];
int n,a[mxn],ma[mxn],sum[mxn];//maximum of congestion in a road
void dfs(int i,int p){
  for(int j:g[i])if(j!=p){
    dfs(j,i);
    sum[i]+=sum[j];
    ma[i]=max(ma[i],max(ma[j],sum[j]));
  }
  sum[i]+=a[i];
}
int32_t main(){
  ios_base::sync_with_stdio(0);cin.tie(0);
  
  cin>>n;
  for(int i=0;i<n;i++)cin>>a[i];
  for(int i=0;i<n-1;i++){
    int x,y;cin>>x>>y;
 
 
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Compilation message (stderr)

/tmp/ccGCClE6.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc5AEIyu.o:traffic.cpp:(.text.startup+0x0): first defined here
/tmp/ccGCClE6.o: In function `main':
grader.cpp:(.text.startup+0xd9): undefined reference to `LocateCentre(int, int*, int*, int*)'
collect2: error: ld returned 1 exit status