#include<bits/stdc++.h>
using namespace std;
const int N = 3e4 + 4;
int l[N] , r[N] , p[N] , n , k;
bool ch;
bool check(int mask){
bool vis[N];
memset(vis , 0 , sizeof(vis));
int sum1 = 0 , sum2 = 0;
for(int i = 0 ; i < 2 * n ; i++){
if(mask & (1 << i)){
if(vis[r[i]])
return 0;
vis[r[i]] = 1;
sum1 += p[i];
}
else{
if(vis[l[i]])
return 0;
vis[l[i]] = 1;
sum2 += p[i];
}
}
return abs(sum1 - sum2) <= k;
}
int main(){
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cin >> n >> k;
for(int i = 0 ; i < 2 * n ; i++){
cin >> l[i] >> r[i] >> p[i];
r[i] += n;
}
for(int mask = 0 ; mask < (1 << 2 * n) ; mask++)
if(check(mask))
ch = 1;
if(ch)
cout << "YES" << '\n';
else
cout << "NO" << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
706 ms |
340 KB |
Output is correct |
2 |
Correct |
746 ms |
340 KB |
Output is correct |
3 |
Correct |
713 ms |
340 KB |
Output is correct |
4 |
Correct |
720 ms |
344 KB |
Output is correct |
5 |
Correct |
711 ms |
340 KB |
Output is correct |
6 |
Correct |
697 ms |
340 KB |
Output is correct |
7 |
Correct |
707 ms |
340 KB |
Output is correct |
8 |
Correct |
734 ms |
340 KB |
Output is correct |
9 |
Correct |
765 ms |
340 KB |
Output is correct |
10 |
Correct |
712 ms |
340 KB |
Output is correct |
11 |
Correct |
737 ms |
460 KB |
Output is correct |
12 |
Correct |
709 ms |
344 KB |
Output is correct |
13 |
Correct |
747 ms |
340 KB |
Output is correct |
14 |
Correct |
710 ms |
344 KB |
Output is correct |
15 |
Correct |
728 ms |
344 KB |
Output is correct |
16 |
Correct |
739 ms |
340 KB |
Output is correct |
17 |
Correct |
723 ms |
340 KB |
Output is correct |
18 |
Correct |
720 ms |
340 KB |
Output is correct |
19 |
Correct |
689 ms |
340 KB |
Output is correct |
20 |
Correct |
716 ms |
340 KB |
Output is correct |
21 |
Correct |
718 ms |
340 KB |
Output is correct |
22 |
Correct |
787 ms |
344 KB |
Output is correct |
23 |
Correct |
724 ms |
340 KB |
Output is correct |
24 |
Correct |
763 ms |
348 KB |
Output is correct |
25 |
Correct |
718 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
706 ms |
340 KB |
Output is correct |
2 |
Correct |
746 ms |
340 KB |
Output is correct |
3 |
Correct |
713 ms |
340 KB |
Output is correct |
4 |
Correct |
720 ms |
344 KB |
Output is correct |
5 |
Correct |
711 ms |
340 KB |
Output is correct |
6 |
Correct |
697 ms |
340 KB |
Output is correct |
7 |
Correct |
707 ms |
340 KB |
Output is correct |
8 |
Correct |
734 ms |
340 KB |
Output is correct |
9 |
Correct |
765 ms |
340 KB |
Output is correct |
10 |
Correct |
712 ms |
340 KB |
Output is correct |
11 |
Correct |
737 ms |
460 KB |
Output is correct |
12 |
Correct |
709 ms |
344 KB |
Output is correct |
13 |
Correct |
747 ms |
340 KB |
Output is correct |
14 |
Correct |
710 ms |
344 KB |
Output is correct |
15 |
Correct |
728 ms |
344 KB |
Output is correct |
16 |
Correct |
739 ms |
340 KB |
Output is correct |
17 |
Correct |
723 ms |
340 KB |
Output is correct |
18 |
Correct |
720 ms |
340 KB |
Output is correct |
19 |
Correct |
689 ms |
340 KB |
Output is correct |
20 |
Correct |
716 ms |
340 KB |
Output is correct |
21 |
Correct |
718 ms |
340 KB |
Output is correct |
22 |
Correct |
787 ms |
344 KB |
Output is correct |
23 |
Correct |
724 ms |
340 KB |
Output is correct |
24 |
Correct |
763 ms |
348 KB |
Output is correct |
25 |
Correct |
718 ms |
348 KB |
Output is correct |
26 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
27 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
4 ms |
800 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
706 ms |
340 KB |
Output is correct |
2 |
Correct |
746 ms |
340 KB |
Output is correct |
3 |
Correct |
713 ms |
340 KB |
Output is correct |
4 |
Correct |
720 ms |
344 KB |
Output is correct |
5 |
Correct |
711 ms |
340 KB |
Output is correct |
6 |
Correct |
697 ms |
340 KB |
Output is correct |
7 |
Correct |
707 ms |
340 KB |
Output is correct |
8 |
Correct |
734 ms |
340 KB |
Output is correct |
9 |
Correct |
765 ms |
340 KB |
Output is correct |
10 |
Correct |
712 ms |
340 KB |
Output is correct |
11 |
Correct |
737 ms |
460 KB |
Output is correct |
12 |
Correct |
709 ms |
344 KB |
Output is correct |
13 |
Correct |
747 ms |
340 KB |
Output is correct |
14 |
Correct |
710 ms |
344 KB |
Output is correct |
15 |
Correct |
728 ms |
344 KB |
Output is correct |
16 |
Correct |
739 ms |
340 KB |
Output is correct |
17 |
Correct |
723 ms |
340 KB |
Output is correct |
18 |
Correct |
720 ms |
340 KB |
Output is correct |
19 |
Correct |
689 ms |
340 KB |
Output is correct |
20 |
Correct |
716 ms |
340 KB |
Output is correct |
21 |
Correct |
718 ms |
340 KB |
Output is correct |
22 |
Correct |
787 ms |
344 KB |
Output is correct |
23 |
Correct |
724 ms |
340 KB |
Output is correct |
24 |
Correct |
763 ms |
348 KB |
Output is correct |
25 |
Correct |
718 ms |
348 KB |
Output is correct |
26 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
27 |
Halted |
0 ms |
0 KB |
- |