#include <bits/stdc++.h>
using namespace std;
int main() {
int n; cin >> n;
vector<int> a(n), b(n);
for(int i = 0; i < n; ++i)cin >> a[i] >> b[i];
for(int j = 0; j < 100; ++j){
for(int i = 0; i < n; ++i){
if(a[i] > b[i]){
a[(i+1)%n]+=(a[i]-b[i]+1)>>1;
a[i]-=(((a[i]-b[i]+1)>>1)<<1);
}
}
}
cout << (a==b ? "Yes\n" : "No\n");
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
1 ms |
256 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
1 ms |
256 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
1 ms |
256 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |