Submission #977191

#	Time	Username	Problem	Language	Result	Execution time	Memory
977191		Mardonbekhazratov	Cyberland (APIO23_cyberland)	C++17	8 / 100	1685 ms	2097152 KiB

cyberland

#include "cyberland.h"

#include<bits/stdc++.h>
#include <vector>
#define ll long long
using namespace std;

int h;
vector<int>a;
vector<vector<array<int,2>>>v;

ll dfs(int x,int p,ll c){
    if(x==h) return c;
    if(a[x]==0) c=0;
    for(auto [y,z]:v[x]){
        if(y!=p){
            ll ans=dfs(y,x,c+z);
            if(ans!=-1) return ans;
        }
    }
    return -1;
}

double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
    v.assign(N,vector<array<int,2>>(0));
    a.resize(N);
    for(int i=0;i<N;i++) a[i]=arr[i];
    h=H;
    for(int i=0;i<M;i++){
        v[x[i]].push_back({y[i],c[i]});
        v[y[i]].push_back({x[i],c[i]});
    }
    double ans=dfs(0,0,0);
    return ans;
}

• Subtask 1: 0 / 5
• Subtask 2: 8 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 19
• Subtask 5: 0 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 29
• Subtask 8: 0 / 3