Submission #373487

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
373487	2021-03-04 19:58:52	eulerdesoja	Traffic (IOI10_traffic)	C++14	50 / 100	5044 ms	39276 KiB

traffic

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#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define ll 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;
//maximum of congestion in a road
vi g[mxn];  
int ma[mxn],sum[mxn];
void dfs(int i,int p,int a[]){
  for(int j:g[i])if(j!=p){
    dfs(j,i,a);
    sum[i]+=sum[j];
    ma[i]=max(ma[i],max(ma[j],sum[j]));
  }
  sum[i]+=a[i];
}
int LocateCentre(int n,int a[],int s[],int d[]){
  
  for(int i=0;i<n-1;i++){
    g[s[i]].pb(d[i]);
    g[d[i]].pb(s[i]);
  }
  int ans=1e18,res=0;
 
 
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Compilation message (stderr)

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:30:10: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   30 |  int ans=1e18,res=0;
      |          ^~~~

• Subtask 1: 25 / 25
• Subtask 2: 0 / 25
• Subtask 3: 25 / 25
• Subtask 4: 0 / 25