#include <bits/stdc++.h>
using namespace std;
/*
*/
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long double, long double> pdd;
const int MAXN = 1e5+10;
vector<int> w[MAXN];
bool ty[MAXN];
pii cy[MAXN];
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
// cout << fixed << setprecision(7);
int n, m;
cin >> n >> m;
if (n>20) return 0;
int a, b;
for (int i=0;i<m;i++){
cin >> a >> b;
cy[i] = {a, b};
}
int tg = (1<<m);
for (int bt=0;bt<tg;bt++){
for (int i=0;i<m;i++) ty[i] = ((1<<i)&bt);
bool vl = 1;
for (int i=1;i<=n;i++){
bool has[2] = {0,0};
for (int f=0;f<m;f++){
a = cy[f].first, b = cy[f].second;
if ((a<=b && a<=i && b >= i) || (a>b && (a<=i || b>=i))){
has[ty[f]]=1;
}
}
if (has[0] != 1 || has[1] != 1){
vl = 0;
break;
}
}
if (vl){
for (int i=0;i<m;i++) cout << (int)ty[i];
cout << '\n';
return 0;
}
}
cout << "impossible\n";
return 0;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3408 KB |
Output is correct |
2 |
Correct |
2 ms |
3408 KB |
Output is correct |
3 |
Correct |
2 ms |
3408 KB |
Output is correct |
4 |
Correct |
2 ms |
3408 KB |
Output is correct |
5 |
Correct |
2 ms |
3512 KB |
Output is correct |
6 |
Correct |
2 ms |
3408 KB |
Output is correct |
7 |
Correct |
2 ms |
3408 KB |
Output is correct |
8 |
Correct |
2 ms |
3408 KB |
Output is correct |
9 |
Correct |
2 ms |
3408 KB |
Output is correct |
10 |
Correct |
2 ms |
3408 KB |
Output is correct |
11 |
Correct |
1 ms |
3408 KB |
Output is correct |
12 |
Correct |
2 ms |
3408 KB |
Output is correct |
13 |
Correct |
2 ms |
3376 KB |
Output is correct |
14 |
Correct |
2 ms |
3408 KB |
Output is correct |
15 |
Correct |
2 ms |
3408 KB |
Output is correct |
16 |
Correct |
2 ms |
3408 KB |
Output is correct |
17 |
Correct |
2 ms |
3408 KB |
Output is correct |
18 |
Correct |
2 ms |
3408 KB |
Output is correct |
19 |
Correct |
2 ms |
3408 KB |
Output is correct |
20 |
Correct |
2 ms |
3408 KB |
Output is correct |
21 |
Correct |
2 ms |
3408 KB |
Output is correct |
22 |
Correct |
2 ms |
3408 KB |
Output is correct |
23 |
Correct |
2 ms |
3408 KB |
Output is correct |
24 |
Correct |
2 ms |
3408 KB |
Output is correct |
25 |
Correct |
2 ms |
3408 KB |
Output is correct |
26 |
Correct |
2 ms |
3408 KB |
Output is correct |
27 |
Correct |
2 ms |
3408 KB |
Output is correct |
28 |
Correct |
2 ms |
3408 KB |
Output is correct |
29 |
Correct |
2 ms |
3408 KB |
Output is correct |
30 |
Correct |
2 ms |
3408 KB |
Output is correct |
31 |
Correct |
2 ms |
3408 KB |
Output is correct |
32 |
Correct |
2 ms |
3408 KB |
Output is correct |
33 |
Correct |
2 ms |
3576 KB |
Output is correct |
34 |
Correct |
2 ms |
3408 KB |
Output is correct |
35 |
Correct |
6 ms |
3408 KB |
Output is correct |
36 |
Correct |
2 ms |
3576 KB |
Output is correct |
37 |
Correct |
2 ms |
3420 KB |
Output is correct |
38 |
Correct |
4 ms |
3576 KB |
Output is correct |
39 |
Correct |
2 ms |
3408 KB |
Output is correct |
40 |
Correct |
2 ms |
3408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3408 KB |
Output is correct |
2 |
Correct |
2 ms |
3408 KB |
Output is correct |
3 |
Correct |
2 ms |
3408 KB |
Output is correct |
4 |
Correct |
2 ms |
3408 KB |
Output is correct |
5 |
Correct |
2 ms |
3512 KB |
Output is correct |
6 |
Correct |
2 ms |
3408 KB |
Output is correct |
7 |
Correct |
2 ms |
3408 KB |
Output is correct |
8 |
Correct |
2 ms |
3408 KB |
Output is correct |
9 |
Correct |
2 ms |
3408 KB |
Output is correct |
10 |
Correct |
2 ms |
3408 KB |
Output is correct |
11 |
Correct |
1 ms |
3408 KB |
Output is correct |
12 |
Correct |
2 ms |
3408 KB |
Output is correct |
13 |
Correct |
2 ms |
3376 KB |
Output is correct |
14 |
Correct |
2 ms |
3408 KB |
Output is correct |
15 |
Correct |
2 ms |
3408 KB |
Output is correct |
16 |
Correct |
2 ms |
3408 KB |
Output is correct |
17 |
Correct |
2 ms |
3408 KB |
Output is correct |
18 |
Correct |
2 ms |
3408 KB |
Output is correct |
19 |
Correct |
2 ms |
3408 KB |
Output is correct |
20 |
Correct |
2 ms |
3408 KB |
Output is correct |
21 |
Correct |
2 ms |
3408 KB |
Output is correct |
22 |
Correct |
2 ms |
3408 KB |
Output is correct |
23 |
Correct |
2 ms |
3408 KB |
Output is correct |
24 |
Correct |
2 ms |
3408 KB |
Output is correct |
25 |
Correct |
2 ms |
3408 KB |
Output is correct |
26 |
Correct |
2 ms |
3408 KB |
Output is correct |
27 |
Correct |
2 ms |
3408 KB |
Output is correct |
28 |
Correct |
2 ms |
3408 KB |
Output is correct |
29 |
Correct |
2 ms |
3408 KB |
Output is correct |
30 |
Correct |
2 ms |
3408 KB |
Output is correct |
31 |
Correct |
2 ms |
3408 KB |
Output is correct |
32 |
Correct |
2 ms |
3408 KB |
Output is correct |
33 |
Correct |
2 ms |
3576 KB |
Output is correct |
34 |
Correct |
2 ms |
3408 KB |
Output is correct |
35 |
Correct |
6 ms |
3408 KB |
Output is correct |
36 |
Correct |
2 ms |
3576 KB |
Output is correct |
37 |
Correct |
2 ms |
3420 KB |
Output is correct |
38 |
Correct |
4 ms |
3576 KB |
Output is correct |
39 |
Correct |
2 ms |
3408 KB |
Output is correct |
40 |
Correct |
2 ms |
3408 KB |
Output is correct |
41 |
Incorrect |
2 ms |
3408 KB |
Unexpected end of file - token expected |
42 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3408 KB |
Output is correct |
2 |
Correct |
2 ms |
3408 KB |
Output is correct |
3 |
Correct |
2 ms |
3408 KB |
Output is correct |
4 |
Correct |
2 ms |
3408 KB |
Output is correct |
5 |
Correct |
2 ms |
3512 KB |
Output is correct |
6 |
Correct |
2 ms |
3408 KB |
Output is correct |
7 |
Correct |
2 ms |
3408 KB |
Output is correct |
8 |
Correct |
2 ms |
3408 KB |
Output is correct |
9 |
Correct |
2 ms |
3408 KB |
Output is correct |
10 |
Correct |
2 ms |
3408 KB |
Output is correct |
11 |
Correct |
1 ms |
3408 KB |
Output is correct |
12 |
Correct |
2 ms |
3408 KB |
Output is correct |
13 |
Correct |
2 ms |
3376 KB |
Output is correct |
14 |
Correct |
2 ms |
3408 KB |
Output is correct |
15 |
Correct |
2 ms |
3408 KB |
Output is correct |
16 |
Correct |
2 ms |
3408 KB |
Output is correct |
17 |
Correct |
2 ms |
3408 KB |
Output is correct |
18 |
Correct |
2 ms |
3408 KB |
Output is correct |
19 |
Correct |
2 ms |
3408 KB |
Output is correct |
20 |
Correct |
2 ms |
3408 KB |
Output is correct |
21 |
Correct |
2 ms |
3408 KB |
Output is correct |
22 |
Correct |
2 ms |
3408 KB |
Output is correct |
23 |
Correct |
2 ms |
3408 KB |
Output is correct |
24 |
Correct |
2 ms |
3408 KB |
Output is correct |
25 |
Correct |
2 ms |
3408 KB |
Output is correct |
26 |
Correct |
2 ms |
3408 KB |
Output is correct |
27 |
Correct |
2 ms |
3408 KB |
Output is correct |
28 |
Correct |
2 ms |
3408 KB |
Output is correct |
29 |
Correct |
2 ms |
3408 KB |
Output is correct |
30 |
Correct |
2 ms |
3408 KB |
Output is correct |
31 |
Correct |
2 ms |
3408 KB |
Output is correct |
32 |
Correct |
2 ms |
3408 KB |
Output is correct |
33 |
Correct |
2 ms |
3576 KB |
Output is correct |
34 |
Correct |
2 ms |
3408 KB |
Output is correct |
35 |
Correct |
6 ms |
3408 KB |
Output is correct |
36 |
Correct |
2 ms |
3576 KB |
Output is correct |
37 |
Correct |
2 ms |
3420 KB |
Output is correct |
38 |
Correct |
4 ms |
3576 KB |
Output is correct |
39 |
Correct |
2 ms |
3408 KB |
Output is correct |
40 |
Correct |
2 ms |
3408 KB |
Output is correct |
41 |
Incorrect |
2 ms |
3408 KB |
Unexpected end of file - token expected |
42 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
3408 KB |
Unexpected end of file - token expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3408 KB |
Output is correct |
2 |
Correct |
2 ms |
3408 KB |
Output is correct |
3 |
Correct |
2 ms |
3408 KB |
Output is correct |
4 |
Correct |
2 ms |
3408 KB |
Output is correct |
5 |
Correct |
2 ms |
3512 KB |
Output is correct |
6 |
Correct |
2 ms |
3408 KB |
Output is correct |
7 |
Correct |
2 ms |
3408 KB |
Output is correct |
8 |
Correct |
2 ms |
3408 KB |
Output is correct |
9 |
Correct |
2 ms |
3408 KB |
Output is correct |
10 |
Correct |
2 ms |
3408 KB |
Output is correct |
11 |
Correct |
1 ms |
3408 KB |
Output is correct |
12 |
Correct |
2 ms |
3408 KB |
Output is correct |
13 |
Correct |
2 ms |
3376 KB |
Output is correct |
14 |
Correct |
2 ms |
3408 KB |
Output is correct |
15 |
Correct |
2 ms |
3408 KB |
Output is correct |
16 |
Correct |
2 ms |
3408 KB |
Output is correct |
17 |
Correct |
2 ms |
3408 KB |
Output is correct |
18 |
Correct |
2 ms |
3408 KB |
Output is correct |
19 |
Correct |
2 ms |
3408 KB |
Output is correct |
20 |
Correct |
2 ms |
3408 KB |
Output is correct |
21 |
Correct |
2 ms |
3408 KB |
Output is correct |
22 |
Correct |
2 ms |
3408 KB |
Output is correct |
23 |
Correct |
2 ms |
3408 KB |
Output is correct |
24 |
Correct |
2 ms |
3408 KB |
Output is correct |
25 |
Correct |
2 ms |
3408 KB |
Output is correct |
26 |
Correct |
2 ms |
3408 KB |
Output is correct |
27 |
Correct |
2 ms |
3408 KB |
Output is correct |
28 |
Correct |
2 ms |
3408 KB |
Output is correct |
29 |
Correct |
2 ms |
3408 KB |
Output is correct |
30 |
Correct |
2 ms |
3408 KB |
Output is correct |
31 |
Correct |
2 ms |
3408 KB |
Output is correct |
32 |
Correct |
2 ms |
3408 KB |
Output is correct |
33 |
Correct |
2 ms |
3576 KB |
Output is correct |
34 |
Correct |
2 ms |
3408 KB |
Output is correct |
35 |
Correct |
6 ms |
3408 KB |
Output is correct |
36 |
Correct |
2 ms |
3576 KB |
Output is correct |
37 |
Correct |
2 ms |
3420 KB |
Output is correct |
38 |
Correct |
4 ms |
3576 KB |
Output is correct |
39 |
Correct |
2 ms |
3408 KB |
Output is correct |
40 |
Correct |
2 ms |
3408 KB |
Output is correct |
41 |
Incorrect |
2 ms |
3408 KB |
Unexpected end of file - token expected |
42 |
Halted |
0 ms |
0 KB |
- |