oj.uz

Submission #630421

# Submission time Handle Problem Language Result Execution time Memory
630421 2022-08-16T10:50:57 Z NintsiChkhaidze Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
 514 ms 81708 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 = 300005;
vector <pair<int,ll> > v[nn];
pair<ll,ll> dis[nn];
 
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;
        for (auto [to,w]: v[x]){
            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;
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:31:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   31 |         for (auto [to,w]: v[x]){
      |                   ^

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7508 KB Output is correct
4 Correct 5 ms 7380 KB Output is correct
5 Correct 4 ms 7380 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7508 KB Output is correct
4 Correct 5 ms 7380 KB Output is correct
5 Correct 4 ms 7380 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct
9 Correct 5 ms 7764 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7508 KB Output is correct
12 Correct 6 ms 8020 KB Output is correct
13 Correct 6 ms 8076 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 4 ms 7508 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7508 KB Output is correct
4 Correct 5 ms 7380 KB Output is correct
5 Correct 4 ms 7380 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct
9 Correct 5 ms 7764 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7508 KB Output is correct
12 Correct 6 ms 8020 KB Output is correct
13 Correct 6 ms 8076 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 4 ms 7508 KB Output is correct
16 Correct 408 ms 73532 KB Output is correct
17 Correct 82 ms 21184 KB Output is correct
18 Correct 107 ms 23496 KB Output is correct
19 Correct 514 ms 81708 KB Output is correct
20 Correct 239 ms 59776 KB Output is correct
21 Correct 39 ms 13684 KB Output is correct
22 Incorrect 256 ms 55196 KB Output isn't correct
23 Halted 0 ms 0 KB -