Submission #840280

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
840280	2023-08-31 09:24:06	mohammad_kilani	Closing Time (IOI23_closing)	C++17	100 / 100	221 ms	49376 KiB

closing

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#include "closing.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
int n , x , y;
long long k;
const int N = 200010;
vector< pair< int , int > > g[N];
long long a[N] , b[N];
void DFS(int node,int prnt,long long *a,long long dist){
    a[node] = dist;
    for(int i = 0 ;i < (int)g[node].size();i++){
        if(g[node][i].first != prnt)
            DFS(g[node][i].first , node , a , dist + g[node][i].second);
    }
}
vector< bool > onpath;
bool DFS(int node,int prnt){
    onpath[node] = true;
    if(node == y)
    return true;
    for(int i = 0 ;i < (int)g[node].size();i++){
        if(g[node][i].first == prnt) continue;
 
 
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