Submission #752965

#	Time	Username	Problem	Language	Result	Execution time	Memory
752965		MohamedFaresNebili	Cyberland (APIO23_cyberland)	C++17	0 / 100	26 ms	6644 KiB

cyberland

#include <bits/stdc++.h>
#include "cyberland.h"
 
        using namespace std;
 
        int N, M, K, H, A[100005];
        double D1[100005], D2[100005], D3[100005];
        vector<pair<int, int>> adj[100005];
 
        double solve(int n, int m, int k, int h, vector<int> x,
                     vector<int> y, vector<int> c, vector<int> arr) {
            for(int l = 0; l < n; l++) 
            	D1[l] = INT_MAX, adj[l].clear();
            D1[0] = 0;
            for(int l = 0; l < m; l++) {
                adj[x[l]].push_back({y[l], c[l]});
                adj[y[l]].push_back({x[l], c[l]});
            }
            priority_queue<pair<double, int>,
            vector<pair<double, int>>, greater<pair<double, int>>> pq;
            pq.push({0, 0});
            while(!pq.empty()) {
                double W = pq.top().first;
                int U = pq.top().second; pq.pop();
                if(U == h) continue;
                for(auto V : adj[U]) {
                    if(D1[V.first] > W + V.second) {
                        D1[V.first] = W + V.second;
                        if(arr[V.first] == 0) D1[V.first] = 0;
                        pq.push({D1[V.first], V.first});
                    }
                }
            }
            if(D1[h] == INT_MAX) return -1;
            return D1[h];
        }

• Subtask 1: 0 / 5
• Subtask 2: 0 / 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