Submission #823246

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
823246	2023-08-12 09:58:13	Dremix10	Highway Tolls (IOI18_highway)	C++17	12 / 100	76 ms	15176 KiB

highway

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#include "highway.h"
#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define all(x) (x).begin(),(x).end()
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
const int N = 3e5+5;
const ll INF = 1e18+5;
const int MOD = 1e9+7;
vector<vector<pi> > a(N);
vector<pi> pos;
vector<pi> par(N);
void dfs(int s, int e, int cur, int f){
    if(cur == f){
        pos.push_back({par[s].S,s});
        return;
    }
    for(auto x : a[s]){
        if(x.F == e)continue;
        par[x.F] = {s,x.S};
        dfs(x.F,s,cur+1,f);
    }
}
void find_pair(int n, vector<int> u, vector<int> v, int A, int B) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 0 / 6
• Subtask 4: 0 / 33
• Subtask 5: 0 / 18
• Subtask 6: 0 / 31