답안 #645485

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
645485	2022-09-27T08:46:28 Z	mychecksedad	Alternating Current (BOI18_alternating)	C++17	13 / 100	3000 ms	827568 KB

alternating

/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " is " << x << '\n';
const int N = 1e6+100, M = 1e5+10, F = 2147483646, K = 20;



int n, m;
vector<int> v[N];
void solve(){
    cin >> n >> m;  
    for(int i = 0; i < m; ++i){
        int x, y; cin >> x >> y;
        x--, y--;
        if(x>y){
            for(int j = x; j < n; ++j) v[j].pb(i);
            for(int j = 0; j <= y; ++j) v[j].pb(i);
        }else{
            for(int j = x; j <= y; ++j) v[j].pb(i);
        }
    }
    for(int mask = 0; mask < (1<<m); ++mask){
        bool ok = 1;
        for(int i = 0; i < n; ++i){
            bool a = 0, b = 0;
            for(int x: v[i]){
                a |= (mask&(1<<x)) > 0;
                b |= (mask&(1<<x)) == 0;
            }
            if(!(a && b)){
                ok = 0;
            }
        }
        if(ok){
            for(int i = 0; i < m; ++i) cout << ((mask&(1<<i))>0);
            return;
        }
    }
    cout << "impossible";
}





int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    int T = 1, aa;
    // cin >> T;aa=T;
    while(T--){
        // cout << "Case #" << aa-T << ": ";
        solve();
        cout << '\n';
    }
    return 0;
 
}

Compilation message

alternating.cpp: In function 'int main()':
alternating.cpp:57:16: warning: unused variable 'aa' [-Wunused-variable]
   57 |     int T = 1, aa;
      |                ^~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	23764 KB	Output is correct
2	Correct	12 ms	23764 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	12 ms	23804 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23880 KB	Output is correct
7	Correct	13 ms	23764 KB	Output is correct
8	Correct	13 ms	23812 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	11 ms	23764 KB	Output is correct
11	Correct	13 ms	23764 KB	Output is correct
12	Correct	13 ms	23732 KB	Output is correct
13	Correct	13 ms	23676 KB	Output is correct
14	Correct	13 ms	23812 KB	Output is correct
15	Correct	11 ms	23704 KB	Output is correct
16	Correct	12 ms	23764 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23736 KB	Output is correct
20	Correct	13 ms	23764 KB	Output is correct
21	Correct	12 ms	23780 KB	Output is correct
22	Correct	13 ms	23808 KB	Output is correct
23	Correct	12 ms	23764 KB	Output is correct
24	Correct	12 ms	23808 KB	Output is correct
25	Correct	13 ms	23808 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	13 ms	23764 KB	Output is correct
28	Correct	11 ms	23764 KB	Output is correct
29	Correct	11 ms	23720 KB	Output is correct
30	Correct	11 ms	23764 KB	Output is correct
31	Correct	12 ms	23744 KB	Output is correct
32	Correct	12 ms	23764 KB	Output is correct
33	Correct	12 ms	23764 KB	Output is correct
34	Correct	12 ms	23804 KB	Output is correct
35	Correct	15 ms	23764 KB	Output is correct
36	Correct	12 ms	23764 KB	Output is correct
37	Correct	15 ms	23736 KB	Output is correct
38	Correct	15 ms	23816 KB	Output is correct
39	Correct	13 ms	23808 KB	Output is correct
40	Correct	12 ms	23764 KB	Output is correct

Subtask #2
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	23764 KB	Output is correct
2	Correct	12 ms	23764 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	12 ms	23804 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23880 KB	Output is correct
7	Correct	13 ms	23764 KB	Output is correct
8	Correct	13 ms	23812 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	11 ms	23764 KB	Output is correct
11	Correct	13 ms	23764 KB	Output is correct
12	Correct	13 ms	23732 KB	Output is correct
13	Correct	13 ms	23676 KB	Output is correct
14	Correct	13 ms	23812 KB	Output is correct
15	Correct	11 ms	23704 KB	Output is correct
16	Correct	12 ms	23764 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23736 KB	Output is correct
20	Correct	13 ms	23764 KB	Output is correct
21	Correct	12 ms	23780 KB	Output is correct
22	Correct	13 ms	23808 KB	Output is correct
23	Correct	12 ms	23764 KB	Output is correct
24	Correct	12 ms	23808 KB	Output is correct
25	Correct	13 ms	23808 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	13 ms	23764 KB	Output is correct
28	Correct	11 ms	23764 KB	Output is correct
29	Correct	11 ms	23720 KB	Output is correct
30	Correct	11 ms	23764 KB	Output is correct
31	Correct	12 ms	23744 KB	Output is correct
32	Correct	12 ms	23764 KB	Output is correct
33	Correct	12 ms	23764 KB	Output is correct
34	Correct	12 ms	23804 KB	Output is correct
35	Correct	15 ms	23764 KB	Output is correct
36	Correct	12 ms	23764 KB	Output is correct
37	Correct	15 ms	23736 KB	Output is correct
38	Correct	15 ms	23816 KB	Output is correct
39	Correct	13 ms	23808 KB	Output is correct
40	Correct	12 ms	23764 KB	Output is correct
41	Correct	12 ms	23812 KB	Output is correct
42	Correct	12 ms	23764 KB	Output is correct
43	Incorrect	12 ms	23764 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	15 ms	23764 KB	Output is correct
2	Correct	12 ms	23764 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	12 ms	23804 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23880 KB	Output is correct
7	Correct	13 ms	23764 KB	Output is correct
8	Correct	13 ms	23812 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	11 ms	23764 KB	Output is correct
11	Correct	13 ms	23764 KB	Output is correct
12	Correct	13 ms	23732 KB	Output is correct
13	Correct	13 ms	23676 KB	Output is correct
14	Correct	13 ms	23812 KB	Output is correct
15	Correct	11 ms	23704 KB	Output is correct
16	Correct	12 ms	23764 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23736 KB	Output is correct
20	Correct	13 ms	23764 KB	Output is correct
21	Correct	12 ms	23780 KB	Output is correct
22	Correct	13 ms	23808 KB	Output is correct
23	Correct	12 ms	23764 KB	Output is correct
24	Correct	12 ms	23808 KB	Output is correct
25	Correct	13 ms	23808 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	13 ms	23764 KB	Output is correct
28	Correct	11 ms	23764 KB	Output is correct
29	Correct	11 ms	23720 KB	Output is correct
30	Correct	11 ms	23764 KB	Output is correct
31	Correct	12 ms	23744 KB	Output is correct
32	Correct	12 ms	23764 KB	Output is correct
33	Correct	12 ms	23764 KB	Output is correct
34	Correct	12 ms	23804 KB	Output is correct
35	Correct	15 ms	23764 KB	Output is correct
36	Correct	12 ms	23764 KB	Output is correct
37	Correct	15 ms	23736 KB	Output is correct
38	Correct	15 ms	23816 KB	Output is correct
39	Correct	13 ms	23808 KB	Output is correct
40	Correct	12 ms	23764 KB	Output is correct
41	Correct	12 ms	23812 KB	Output is correct
42	Correct	12 ms	23764 KB	Output is correct
43	Incorrect	12 ms	23764 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	3087 ms	827568 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	23764 KB	Output is correct
2	Correct	12 ms	23764 KB	Output is correct
3	Correct	14 ms	23808 KB	Output is correct
4	Correct	12 ms	23804 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23880 KB	Output is correct
7	Correct	13 ms	23764 KB	Output is correct
8	Correct	13 ms	23812 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	11 ms	23764 KB	Output is correct
11	Correct	13 ms	23764 KB	Output is correct
12	Correct	13 ms	23732 KB	Output is correct
13	Correct	13 ms	23676 KB	Output is correct
14	Correct	13 ms	23812 KB	Output is correct
15	Correct	11 ms	23704 KB	Output is correct
16	Correct	12 ms	23764 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23736 KB	Output is correct
20	Correct	13 ms	23764 KB	Output is correct
21	Correct	12 ms	23780 KB	Output is correct
22	Correct	13 ms	23808 KB	Output is correct
23	Correct	12 ms	23764 KB	Output is correct
24	Correct	12 ms	23808 KB	Output is correct
25	Correct	13 ms	23808 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	13 ms	23764 KB	Output is correct
28	Correct	11 ms	23764 KB	Output is correct
29	Correct	11 ms	23720 KB	Output is correct
30	Correct	11 ms	23764 KB	Output is correct
31	Correct	12 ms	23744 KB	Output is correct
32	Correct	12 ms	23764 KB	Output is correct
33	Correct	12 ms	23764 KB	Output is correct
34	Correct	12 ms	23804 KB	Output is correct
35	Correct	15 ms	23764 KB	Output is correct
36	Correct	12 ms	23764 KB	Output is correct
37	Correct	15 ms	23736 KB	Output is correct
38	Correct	15 ms	23816 KB	Output is correct
39	Correct	13 ms	23808 KB	Output is correct
40	Correct	12 ms	23764 KB	Output is correct
41	Correct	12 ms	23812 KB	Output is correct
42	Correct	12 ms	23764 KB	Output is correct
43	Incorrect	12 ms	23764 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

답안 #645485

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