Submission #630414

# Submission time Handle Problem Language Result Execution time Memory
630414 2022-08-16T10:41:27 Z NintsiChkhaidze Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
598 ms 77252 KB
#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;
#define s second
#define pb push_back
#define ll long long
#define f first
 
const int nn = 100005;
vector <pair<int,ll> > v[nn];
pair<ll,ll> dis[nn];
bool vis[nn];
 
// int R[nn][4],L[nn],P[nn];
// int main (){
//     int N,M,K;
//     cin>>N>>M>>K;
    
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
 
    for (int i = 0; i < M; i++){
        v[R[i][0]].pb({R[i][1],L[i]});
        v[R[i][1]].pb({R[i][0],L[i]});
    }
    for (int i=0;i<N; i++)
        dis[i] = {1e18,1e18};
 
    using T = pair<ll,int>;
    priority_queue <T, vector <T>, greater <T>> pq;
    for (int i = 0; i < K; i++)
        dis[P[i]] = {0LL,0LL},pq.push({0LL,P[i]});
 
    while(pq.size()){
        ll d = pq.top().f;
        int x = pq.top().s;
        pq.pop();
        if (d != dis[x].s) continue;
        vis[x] = 1;
        for (auto [to,w]: v[x]){
            if (vis[to]) continue;
            ll vl = w + d;
            if (dis[to].f > vl) {
                dis[to].s = dis[to].f;
                dis[to].f = vl;
                pq.push({dis[to].s, to});
            }else if (dis[to].s > vl){
                dis[to].s = vl;
                pq.push({dis[to].s, to});
            }
            
        }
    }
 
    return dis[0].s;
    // cout<<dis[0].s;
}
 
 

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:39:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   39 |         for (auto [to,w]: v[x]){
      |                   ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2784 KB Output is correct
5 Correct 2 ms 2772 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2772 KB Output is correct
8 Correct 3 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2784 KB Output is correct
5 Correct 2 ms 2772 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2772 KB Output is correct
8 Correct 3 ms 2772 KB Output is correct
9 Correct 4 ms 3028 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2772 KB Output is correct
12 Correct 4 ms 3284 KB Output is correct
13 Correct 4 ms 3412 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2784 KB Output is correct
5 Correct 2 ms 2772 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2772 KB Output is correct
8 Correct 3 ms 2772 KB Output is correct
9 Correct 4 ms 3028 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2772 KB Output is correct
12 Correct 4 ms 3284 KB Output is correct
13 Correct 4 ms 3412 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2772 KB Output is correct
16 Correct 421 ms 69000 KB Output is correct
17 Correct 99 ms 16704 KB Output is correct
18 Correct 109 ms 18856 KB Output is correct
19 Correct 598 ms 77252 KB Output is correct
20 Correct 268 ms 55228 KB Output is correct
21 Correct 44 ms 8932 KB Output is correct
22 Incorrect 295 ms 50664 KB Output isn't correct
23 Halted 0 ms 0 KB -