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Submission #1043205

# Submission time Handle Problem Language Result Execution time Memory
1043205 2024-08-04T04:50:37 Z model_code Circle Passing (EGOI24_circlepassing) C++17
20 / 100
 1530 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;

int n ,m ,q;
vector <vector <int>> adj;

vector <int> bfs(int u){
    queue <int> q;
    q.push(u);
    vector <int> dist(n+n ,-1);
    dist[u] = 0;
    while(!q.empty()){
        auto w = q.front(); q.pop();
        for(int&o : adj[w]) if(dist[o] == -1){
            dist[o] = dist[w] + 1;
            q.push(o);
        }
    }
    return dist;
}

int main()
{
    scanf("%d%d%d",&n,&m,&q);
    adj.resize(n+n);
    for(int i = 0; i < n+n; i++){
        adj[i].push_back(i+1 < n+n? i+1 : 0);
        adj[i].push_back(i > 0? i-1 : n+n-1);
    }
    for(int a ,i = 0; i < m; i++){
        scanf("%d",&a);
        adj[a].push_back(a+n);
        adj[a+n].push_back(a);
    }

    vector <vector <int>> dist(n+n);
    for(int i = 0; i < n+n; i++)
        dist[i] = bfs(i);

    while(q--){
        int x ,y;
        scanf("%d%d",&x,&y);
        printf("%d\n",dist[x][y]);
    }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     scanf("%d%d%d",&n,&m,&q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:31:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |         scanf("%d",&a);
      |         ~~~~~^~~~~~~~~
Main.cpp:42:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |         scanf("%d%d",&x,&y);
      |         ~~~~~^~~~~~~~~~~~~~

Subtask #1
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 3 ms 604 KB Output is correct
4 Correct 26 ms 16256 KB Output is correct
5 Runtime error 1530 ms 1048576 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 16172 KB Output is correct
2 Correct 4 ms 2148 KB Output is correct
3 Correct 6 ms 2856 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 1 ms 616 KB Output is correct
7 Correct 2 ms 1896 KB Output is correct
8 Correct 22 ms 16136 KB Output is correct
9 Correct 23 ms 16272 KB Output is correct
10 Correct 22 ms 16224 KB Output is correct
11 Correct 23 ms 16232 KB Output is correct
12 Correct 22 ms 16224 KB Output is correct
13 Correct 22 ms 16252 KB Output is correct
14 Correct 33 ms 16164 KB Output is correct
15 Correct 23 ms 16052 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 360 KB Output is correct
19 Correct 0 ms 360 KB Output is correct
20 Correct 0 ms 352 KB Output is correct

Subtask #3
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 16172 KB Output is correct
2 Correct 4 ms 2148 KB Output is correct
3 Correct 6 ms 2856 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 1 ms 616 KB Output is correct
7 Correct 2 ms 1896 KB Output is correct
8 Correct 22 ms 16136 KB Output is correct
9 Correct 23 ms 16272 KB Output is correct
10 Correct 22 ms 16224 KB Output is correct
11 Correct 23 ms 16232 KB Output is correct
12 Correct 22 ms 16224 KB Output is correct
13 Correct 22 ms 16252 KB Output is correct
14 Correct 33 ms 16164 KB Output is correct
15 Correct 23 ms 16052 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 360 KB Output is correct
19 Correct 0 ms 360 KB Output is correct
20 Correct 0 ms 352 KB Output is correct
21 Correct 24 ms 16124 KB Output is correct
22 Correct 3 ms 2152 KB Output is correct
23 Correct 4 ms 2812 KB Output is correct
24 Correct 0 ms 448 KB Output is correct
25 Correct 0 ms 360 KB Output is correct
26 Correct 1 ms 616 KB Output is correct
27 Correct 3 ms 1904 KB Output is correct
28 Correct 22 ms 16224 KB Output is correct
29 Correct 25 ms 16220 KB Output is correct
30 Correct 23 ms 16176 KB Output is correct
31 Correct 21 ms 16092 KB Output is correct
32 Correct 37 ms 16212 KB Output is correct
33 Correct 24 ms 16212 KB Output is correct
34 Correct 25 ms 16220 KB Output is correct
35 Correct 26 ms 16096 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Runtime error 721 ms 1048576 KB Execution killed with signal 9
38 Halted 0 ms 0 KB -

Subtask #4
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 3 ms 604 KB Output is correct
4 Correct 26 ms 16256 KB Output is correct
5 Runtime error 1530 ms 1048576 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -