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Submission #1058043

# Submission time Handle Problem Language Result Execution time Memory
1058043 2024-08-14T08:05:59 Z kachim2 Circle Passing (EGOI24_circlepassing) C++17
0 / 100
 335 ms 1048576 KB 
#include<bits/stdc++.h>
using namespace std;
struct player{
int cr, cl;
int bm = -1;
};
 
int main(){
    int n, m, q, pbm;
    cin >> n >> m >> q;
    vector<player> v(n*2);
    auto pos = [n](int x){
        return ((x)+2*n)%(2*n);
    };
    for(int i = 0; i < m; i++){
        int x;
        cin >> x;
        int y = pos(x+n);
        v[x].bm=y;
        v[y].bm=x;
        pbm = x;

    }
    int cur = pbm;
    for(int i = 0; i <= 2*n; i++){
        cur = pos(cur+1);
        if(v[cur].bm!=-1)pbm = cur;
        v[cur].cr=pbm;
    }
    cur = pbm;
    for(int i = 2*n; i >=0 ; i--){
        cur = pos(cur-1);
        if(v[cur].bm!=-1)pbm = cur;
        v[cur].cl=pbm;
    }

    auto dist = [n, &pos](int x, int y){
        return min(pos(x-y), pos(y-x));
    };
    
    while(q--){
        int x, y;
        cin >> x >> y;

        int bd = dist(x, y);
        bd = min(dist(x, v[x].cl)+dist(v[x].cl+n, y)+1, bd);
        bd = min(dist(x, v[x].cr)+dist(v[x].cr+n, y)+1, bd);

        cout << bd << '\n';
    }

}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:28:18: warning: 'pbm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   28 |         v[cur].cr=pbm;

Subtask #1
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 448 KB Output is correct
2 Correct 31 ms 348 KB Output is correct
3 Correct 35 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 26 ms 2888 KB Output is correct
6 Runtime error 335 ms 1048576 KB Execution killed with signal 9
7 Halted 0 ms 0 KB -

Subtask #2
0.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 331 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 448 KB Output is correct
2 Correct 31 ms 348 KB Output is correct
3 Correct 35 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 26 ms 2888 KB Output is correct
6 Runtime error 335 ms 1048576 KB Execution killed with signal 9
7 Halted 0 ms 0 KB -