답안 #532705

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
532705	2022-03-03T16:38:41 Z	fatemetmhr	Alternating Current (BOI18_alternating)	C++17	13 / 100	12 ms	712 KB

alternating

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define pb push_back

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());


const int maxn5 = 5e3 + 10;

int a[maxn5], b[maxn5];
bool av[2][maxn5];


int main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

	int n, m; cin >> n >> m;
	for(int i = 0; i < m; i++){
		cin >> a[i] >> b[i];
		a[i]--;
		b[i]--;
	}

	for(int mask = 1; mask < (1 << m) - 1; mask++){
		memset(av, false, sizeof av);
		for(int i = 0; i < m; i++){
			int x = a[i];
			while(true){
				av[(mask >> i)&1][x] = true;
				if(x == b[i])
					break;
				x++;
				if(x == n)
					x = 0;
			}
		}
		bool re = true;
		for(int i = 0; i < n; i++)
			if(!av[0][i] || !av[1][i])
				re = false;
		if(re){
			for(int i = 0; i < m; i++)
				cout << ((mask >> i)&1);
			return cout << endl, 0;
		}
	}
	cout << "impossible" << endl;

}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	324 KB	Output is correct
15	Correct	1 ms	328 KB	Output is correct
16	Correct	2 ms	332 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	2 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	2 ms	332 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	324 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	12 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	11 ms	336 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	0 ms	328 KB	Output is correct

Subtask #2
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	324 KB	Output is correct
15	Correct	1 ms	328 KB	Output is correct
16	Correct	2 ms	332 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	2 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	2 ms	332 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	324 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	12 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	11 ms	336 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	0 ms	328 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	332 KB	Output is correct
43	Incorrect	1 ms	332 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

Subtask #3
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	324 KB	Output is correct
15	Correct	1 ms	328 KB	Output is correct
16	Correct	2 ms	332 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	2 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	2 ms	332 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	324 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	12 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	11 ms	336 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	0 ms	328 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	332 KB	Output is correct
43	Incorrect	1 ms	332 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

Subtask #4
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	2 ms	712 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	324 KB	Output is correct
15	Correct	1 ms	328 KB	Output is correct
16	Correct	2 ms	332 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	2 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	2 ms	332 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	324 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	12 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	11 ms	336 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	0 ms	328 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	332 KB	Output is correct
43	Incorrect	1 ms	332 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

답안 #532705

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