// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
using ll = long long;
template<class T> using V = vector<T>;
using vi = V<int>;
using vl = V<ll>;
const int MX = 3e7;
int main() {
cin.tie(0)->sync_with_stdio(0);
int N; cin >> N;
vl A(N), B(N); for(int i = 0; i < N; i++) cin >> A[i] >> B[i];
for(int t = 0; t < MX / N; t++) {
for(int x = 0; x < N; x++) if (A[x] > B[x]) {
ll amt = (A[x] - B[x] + 1) / 2;
A[x] -= 2 * amt;
A[(x + 1) % N] += amt;
}
}
cout << (A == B ? "Yes" : "No") << nl;
exit(0-0);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
22 ms |
348 KB |
Output is correct |
2 |
Correct |
25 ms |
344 KB |
Output is correct |
3 |
Correct |
23 ms |
344 KB |
Output is correct |
4 |
Correct |
23 ms |
348 KB |
Output is correct |
5 |
Correct |
30 ms |
348 KB |
Output is correct |
6 |
Correct |
22 ms |
344 KB |
Output is correct |
7 |
Correct |
23 ms |
348 KB |
Output is correct |
8 |
Correct |
27 ms |
452 KB |
Output is correct |
9 |
Correct |
24 ms |
452 KB |
Output is correct |
10 |
Correct |
30 ms |
448 KB |
Output is correct |
11 |
Correct |
23 ms |
452 KB |
Output is correct |
12 |
Correct |
31 ms |
344 KB |
Output is correct |
13 |
Correct |
20 ms |
348 KB |
Output is correct |
14 |
Correct |
31 ms |
344 KB |
Output is correct |
15 |
Correct |
22 ms |
448 KB |
Output is correct |
16 |
Correct |
30 ms |
348 KB |
Output is correct |
17 |
Correct |
28 ms |
348 KB |
Output is correct |
18 |
Correct |
31 ms |
348 KB |
Output is correct |
19 |
Correct |
22 ms |
344 KB |
Output is correct |
20 |
Incorrect |
24 ms |
348 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
22 ms |
348 KB |
Output is correct |
2 |
Correct |
25 ms |
344 KB |
Output is correct |
3 |
Correct |
23 ms |
344 KB |
Output is correct |
4 |
Correct |
23 ms |
348 KB |
Output is correct |
5 |
Correct |
30 ms |
348 KB |
Output is correct |
6 |
Correct |
22 ms |
344 KB |
Output is correct |
7 |
Correct |
23 ms |
348 KB |
Output is correct |
8 |
Correct |
27 ms |
452 KB |
Output is correct |
9 |
Correct |
24 ms |
452 KB |
Output is correct |
10 |
Correct |
30 ms |
448 KB |
Output is correct |
11 |
Correct |
23 ms |
452 KB |
Output is correct |
12 |
Correct |
31 ms |
344 KB |
Output is correct |
13 |
Correct |
20 ms |
348 KB |
Output is correct |
14 |
Correct |
31 ms |
344 KB |
Output is correct |
15 |
Correct |
22 ms |
448 KB |
Output is correct |
16 |
Correct |
30 ms |
348 KB |
Output is correct |
17 |
Correct |
28 ms |
348 KB |
Output is correct |
18 |
Correct |
31 ms |
348 KB |
Output is correct |
19 |
Correct |
22 ms |
344 KB |
Output is correct |
20 |
Incorrect |
24 ms |
348 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
22 ms |
348 KB |
Output is correct |
2 |
Correct |
25 ms |
344 KB |
Output is correct |
3 |
Correct |
23 ms |
344 KB |
Output is correct |
4 |
Correct |
23 ms |
348 KB |
Output is correct |
5 |
Correct |
30 ms |
348 KB |
Output is correct |
6 |
Correct |
22 ms |
344 KB |
Output is correct |
7 |
Correct |
23 ms |
348 KB |
Output is correct |
8 |
Correct |
27 ms |
452 KB |
Output is correct |
9 |
Correct |
24 ms |
452 KB |
Output is correct |
10 |
Correct |
30 ms |
448 KB |
Output is correct |
11 |
Correct |
23 ms |
452 KB |
Output is correct |
12 |
Correct |
31 ms |
344 KB |
Output is correct |
13 |
Correct |
20 ms |
348 KB |
Output is correct |
14 |
Correct |
31 ms |
344 KB |
Output is correct |
15 |
Correct |
22 ms |
448 KB |
Output is correct |
16 |
Correct |
30 ms |
348 KB |
Output is correct |
17 |
Correct |
28 ms |
348 KB |
Output is correct |
18 |
Correct |
31 ms |
348 KB |
Output is correct |
19 |
Correct |
22 ms |
344 KB |
Output is correct |
20 |
Incorrect |
24 ms |
348 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |