제출 #175896

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
175896	2020-01-07 11:56:28	muhammad_hokimiyon	경주 (Race) (IOI11_race)	C++14	100 / 100	591 ms	35560 KiB

race

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#include <bits/stdc++.h>
#include "race.h"
 
#define fi first
#define se second
#define ll long long
 
using namespace std;
 
const int N = 2e5 + 7;
const int NN = 1e6 + 7;
const int mod = 1e9 + 7;
 
int n,k;
int ans = 1e9;
bool used[N];
int sz[N];
int m[NN];
vector < pair < int , int > > v[N];
 
void dfs( int x , int p , int d , vector < pair < int , int > > &t , int sum )
{
    if( sum > k )return;
    t.push_back({sum , d});
    for( auto y : v[x] ){
        if( y.fi != p && !used[y.fi] ){
            dfs(y.fi , x , d + 1 , t , sum + y.se);
        }
    }
}
 
 
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