Submission #1113583

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1113583	2024-11-16T18:43:50 Z	PagodePaiva	Alternating Current (BOI18_alternating)	C++17	13 / 100	223 ms	4540 KB

alternating

#include<bits/stdc++.h>

using namespace std;

int res[20];

int main(){
    int n, m;
    cin >> n >> m;
    vector <array <int, 3>> v;
    for(int i = 0;i < m;i++){
        int a, b;
        cin >> a >> b;
        v.push_back({a, b, i});
    }
    for(int mask = 0;mask < (1<<m);mask++){
        int valores[n+1][2];
        for(int i = 1;i <= n;i++){
            valores[i][0] = valores[i][1] = 0;
        }
        string s;
        for(int i = 0;i < m;i++){
            int cor = 0;
            int p = ((1<<i)&mask);
            if(p) cor = 1;
            s.push_back('0'+cor);
            auto [a, b, _] = v[i];
            res[_] = cor;
            if(a <= b){
                for(int j = a;j <= b;j++){
                    valores[j][cor] = 1;
                }
            }
            else{
                for(int j = a;j <= n;j++){
                    valores[j][cor] = 1;
                }
                for(int j = 1;j <= b;j++){
                    valores[j][cor] = 1;
                }
            }
        }
        int aux = false;
        for(int i = 1;i <= n;i++){
            if(valores[i][0] != 1 or valores[i][1] != 1){
                aux = true;
            }
        }
        if(aux) continue;
        for(int i = 0;i < m;i++){
            cout << res[i];
        }
        cout << '\n';
        return 0;
    }
    cout << "impossible\n";
    return  0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	504 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	504 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	416 KB	Output is correct
13	Correct	1 ms	508 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	2 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	336 KB	Output is correct
27	Correct	1 ms	504 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	336 KB	Output is correct
35	Correct	4 ms	336 KB	Output is correct
36	Correct	1 ms	336 KB	Output is correct
37	Correct	1 ms	336 KB	Output is correct
38	Correct	4 ms	336 KB	Output is correct
39	Correct	1 ms	336 KB	Output is correct
40	Correct	1 ms	336 KB	Output is correct

Subtask #2
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	504 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	504 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	416 KB	Output is correct
13	Correct	1 ms	508 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	2 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	336 KB	Output is correct
27	Correct	1 ms	504 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	336 KB	Output is correct
35	Correct	4 ms	336 KB	Output is correct
36	Correct	1 ms	336 KB	Output is correct
37	Correct	1 ms	336 KB	Output is correct
38	Correct	4 ms	336 KB	Output is correct
39	Correct	1 ms	336 KB	Output is correct
40	Correct	1 ms	336 KB	Output is correct
41	Correct	1 ms	336 KB	Output is correct
42	Correct	1 ms	336 KB	Output is correct
43	Incorrect	1 ms	336 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

Subtask #3
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	504 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	504 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	416 KB	Output is correct
13	Correct	1 ms	508 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	2 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	336 KB	Output is correct
27	Correct	1 ms	504 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	336 KB	Output is correct
35	Correct	4 ms	336 KB	Output is correct
36	Correct	1 ms	336 KB	Output is correct
37	Correct	1 ms	336 KB	Output is correct
38	Correct	4 ms	336 KB	Output is correct
39	Correct	1 ms	336 KB	Output is correct
40	Correct	1 ms	336 KB	Output is correct
41	Correct	1 ms	336 KB	Output is correct
42	Correct	1 ms	336 KB	Output is correct
43	Incorrect	1 ms	336 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

Subtask #4
0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	223 ms	4540 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	504 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	504 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	416 KB	Output is correct
13	Correct	1 ms	508 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	2 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	336 KB	Output is correct
27	Correct	1 ms	504 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	336 KB	Output is correct
35	Correct	4 ms	336 KB	Output is correct
36	Correct	1 ms	336 KB	Output is correct
37	Correct	1 ms	336 KB	Output is correct
38	Correct	4 ms	336 KB	Output is correct
39	Correct	1 ms	336 KB	Output is correct
40	Correct	1 ms	336 KB	Output is correct
41	Correct	1 ms	336 KB	Output is correct
42	Correct	1 ms	336 KB	Output is correct
43	Incorrect	1 ms	336 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

Submission #1113583

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 0 / 20.0

Subtask #3 0 / 22.0

Subtask #4 0 / 19.0

Subtask #5 0 / 26.0

Subtask #1
13.0 / 13.0

Subtask #2
0 / 20.0

Subtask #3
0 / 22.0

Subtask #4
0 / 19.0

Subtask #5
0 / 26.0