Submission #963944

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
963944	2024-04-16T04:48:12 Z	pcc	Alternating Current (BOI18_alternating)	C++17	13 / 100	3000 ms	600 KB

alternating

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>

const int mxn = 16;
int N,M;
pii arr[mxn];
int ans = -1;

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>M;
	for(int i = 0;i<M;i++){
		cin>>arr[i].fs>>arr[i].sc;
		arr[i].fs--,arr[i].sc--;
	}
	for(int i = 0;i<(1<<M);i++){
		int dp[mxn] = {};
		for(int j = 0;j<M;j++){
			int k;
			for(k = arr[j].fs;k != arr[j].sc;k = (k+1)%N){
				dp[k] |= 1<<(i&(1<<j)?1:0);
			}
			dp[k] |= 1<<(i&(1<<j)?1:0);
		}
		if(*min_element(dp,dp+N) == 3)ans = i;
	}
	if(ans == -1)cout<<"impossible\n";
	else{
		for(int i = 0;i<M;i++){
			if(ans&(1<<i))cout<<1;
			else cout<<0;
		}
	}
	return 0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	30 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	5 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	456 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	3 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	3 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	18 ms	348 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	412 KB	Output is correct
35	Correct	9 ms	460 KB	Output is correct
36	Correct	7 ms	348 KB	Output is correct
37	Correct	5 ms	348 KB	Output is correct
38	Correct	6 ms	348 KB	Output is correct
39	Correct	1 ms	344 KB	Output is correct
40	Correct	0 ms	460 KB	Output is correct

Subtask #2
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	30 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	5 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	456 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	3 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	3 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	18 ms	348 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	412 KB	Output is correct
35	Correct	9 ms	460 KB	Output is correct
36	Correct	7 ms	348 KB	Output is correct
37	Correct	5 ms	348 KB	Output is correct
38	Correct	6 ms	348 KB	Output is correct
39	Correct	1 ms	344 KB	Output is correct
40	Correct	0 ms	460 KB	Output is correct
41	Execution timed out	3061 ms	344 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

Subtask #3
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	30 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	5 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	456 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	3 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	3 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	18 ms	348 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	412 KB	Output is correct
35	Correct	9 ms	460 KB	Output is correct
36	Correct	7 ms	348 KB	Output is correct
37	Correct	5 ms	348 KB	Output is correct
38	Correct	6 ms	348 KB	Output is correct
39	Correct	1 ms	344 KB	Output is correct
40	Correct	0 ms	460 KB	Output is correct
41	Execution timed out	3061 ms	344 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

Subtask #4
0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	1 ms	600 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	30 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	5 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	456 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	3 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	3 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	18 ms	348 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	412 KB	Output is correct
35	Correct	9 ms	460 KB	Output is correct
36	Correct	7 ms	348 KB	Output is correct
37	Correct	5 ms	348 KB	Output is correct
38	Correct	6 ms	348 KB	Output is correct
39	Correct	1 ms	344 KB	Output is correct
40	Correct	0 ms	460 KB	Output is correct
41	Execution timed out	3061 ms	344 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

Submission #963944

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