답안 #441383

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
441383	2021-07-05T06:26:08 Z	sam571128	Alternating Current (BOI18_alternating)	C++17	13 / 100	3000 ms	3576 KB

alternating

#include <bits/stdc++.h>

#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

signed main(){
    //fastio
    int n,m;
    cin >> n >> m;
    vector<pair<int,int>> v;
    for(int i = 0;i < m;i++){
        int l,r;
        cin >> l >> r;
        l--, r--;
        v.push_back({l,r});
    }

    for(int i = 0;i < (1<<m);i++){
        int cnt[n] = {};
        for(int j = 0;j < m;j++){
            if(i&(1<<j)){
                int l = v[j].first, r = v[j].second;
                while(true){
                    cnt[l] |= 2;
                    if(l==r) break;
                    l = (l+1)%n;
                }
            }else{
                int l = v[j].first, r = v[j].second;
                while(true){
                    cnt[l] |= 1;
                    if(l==r) break;
                    l = (l+1)%n;
                }
            }
        }
        bool check = true;
        for(int j = 0;j < n;j++){
            if(cnt[j]!=3){
                check = false;
            }
        }

        if(check){
            for(int j = 0;j < m;j++){
                if(i&(1<<j)) cout << 0;
                else cout << 1;
            }
            cout << "\n";
            return 0;
        }
    }
    cout << "impossible\n";
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	292 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	296 KB	Output is correct
11	Correct	1 ms	288 KB	Output is correct
12	Correct	1 ms	288 KB	Output is correct
13	Correct	1 ms	288 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	280 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	12 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	8 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct

Subtask #2
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	292 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	296 KB	Output is correct
11	Correct	1 ms	288 KB	Output is correct
12	Correct	1 ms	288 KB	Output is correct
13	Correct	1 ms	288 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	280 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	12 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	8 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	2 ms	204 KB	Output is correct
43	Incorrect	1 ms	204 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	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	292 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	296 KB	Output is correct
11	Correct	1 ms	288 KB	Output is correct
12	Correct	1 ms	288 KB	Output is correct
13	Correct	1 ms	288 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	280 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	12 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	8 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	2 ms	204 KB	Output is correct
43	Incorrect	1 ms	204 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	Execution timed out	3069 ms	3576 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	292 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	296 KB	Output is correct
11	Correct	1 ms	288 KB	Output is correct
12	Correct	1 ms	288 KB	Output is correct
13	Correct	1 ms	288 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	280 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	12 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	8 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	2 ms	204 KB	Output is correct
43	Incorrect	1 ms	204 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

답안 #441383

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