// 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 = min(A[x] / 2, (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 |
23 ms |
348 KB |
Output is correct |
| 2 |
Correct |
19 ms |
348 KB |
Output is correct |
| 3 |
Correct |
21 ms |
348 KB |
Output is correct |
| 4 |
Correct |
21 ms |
348 KB |
Output is correct |
| 5 |
Correct |
24 ms |
348 KB |
Output is correct |
| 6 |
Correct |
25 ms |
348 KB |
Output is correct |
| 7 |
Correct |
23 ms |
344 KB |
Output is correct |
| 8 |
Correct |
21 ms |
456 KB |
Output is correct |
| 9 |
Correct |
23 ms |
348 KB |
Output is correct |
| 10 |
Correct |
31 ms |
348 KB |
Output is correct |
| 11 |
Correct |
23 ms |
344 KB |
Output is correct |
| 12 |
Correct |
20 ms |
456 KB |
Output is correct |
| 13 |
Correct |
21 ms |
344 KB |
Output is correct |
| 14 |
Correct |
32 ms |
348 KB |
Output is correct |
| 15 |
Correct |
23 ms |
348 KB |
Output is correct |
| 16 |
Correct |
78 ms |
436 KB |
Output is correct |
| 17 |
Correct |
42 ms |
428 KB |
Output is correct |
| 18 |
Correct |
36 ms |
348 KB |
Output is correct |
| 19 |
Correct |
29 ms |
348 KB |
Output is correct |
| 20 |
Correct |
139 ms |
756 KB |
Output is correct |
| 21 |
Correct |
137 ms |
428 KB |
Output is correct |
| 22 |
Correct |
28 ms |
344 KB |
Output is correct |
| 23 |
Correct |
116 ms |
544 KB |
Output is correct |
| 24 |
Correct |
22 ms |
348 KB |
Output is correct |
| 25 |
Correct |
29 ms |
444 KB |
Output is correct |
| 26 |
Correct |
137 ms |
344 KB |
Output is correct |
| 27 |
Correct |
24 ms |
348 KB |
Output is correct |
| 28 |
Correct |
22 ms |
348 KB |
Output is correct |
| 29 |
Correct |
21 ms |
348 KB |
Output is correct |
| 30 |
Correct |
22 ms |
460 KB |
Output is correct |
| 31 |
Correct |
138 ms |
428 KB |
Output is correct |
| 32 |
Correct |
22 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
23 ms |
348 KB |
Output is correct |
| 2 |
Correct |
19 ms |
348 KB |
Output is correct |
| 3 |
Correct |
21 ms |
348 KB |
Output is correct |
| 4 |
Correct |
21 ms |
348 KB |
Output is correct |
| 5 |
Correct |
24 ms |
348 KB |
Output is correct |
| 6 |
Correct |
25 ms |
348 KB |
Output is correct |
| 7 |
Correct |
23 ms |
344 KB |
Output is correct |
| 8 |
Correct |
21 ms |
456 KB |
Output is correct |
| 9 |
Correct |
23 ms |
348 KB |
Output is correct |
| 10 |
Correct |
31 ms |
348 KB |
Output is correct |
| 11 |
Correct |
23 ms |
344 KB |
Output is correct |
| 12 |
Correct |
20 ms |
456 KB |
Output is correct |
| 13 |
Correct |
21 ms |
344 KB |
Output is correct |
| 14 |
Correct |
32 ms |
348 KB |
Output is correct |
| 15 |
Correct |
23 ms |
348 KB |
Output is correct |
| 16 |
Correct |
78 ms |
436 KB |
Output is correct |
| 17 |
Correct |
42 ms |
428 KB |
Output is correct |
| 18 |
Correct |
36 ms |
348 KB |
Output is correct |
| 19 |
Correct |
29 ms |
348 KB |
Output is correct |
| 20 |
Correct |
139 ms |
756 KB |
Output is correct |
| 21 |
Correct |
137 ms |
428 KB |
Output is correct |
| 22 |
Correct |
28 ms |
344 KB |
Output is correct |
| 23 |
Correct |
116 ms |
544 KB |
Output is correct |
| 24 |
Correct |
22 ms |
348 KB |
Output is correct |
| 25 |
Correct |
29 ms |
444 KB |
Output is correct |
| 26 |
Correct |
137 ms |
344 KB |
Output is correct |
| 27 |
Correct |
24 ms |
348 KB |
Output is correct |
| 28 |
Correct |
22 ms |
348 KB |
Output is correct |
| 29 |
Correct |
21 ms |
348 KB |
Output is correct |
| 30 |
Correct |
22 ms |
460 KB |
Output is correct |
| 31 |
Correct |
138 ms |
428 KB |
Output is correct |
| 32 |
Correct |
22 ms |
348 KB |
Output is correct |
| 33 |
Correct |
21 ms |
344 KB |
Output is correct |
| 34 |
Correct |
21 ms |
348 KB |
Output is correct |
| 35 |
Correct |
21 ms |
348 KB |
Output is correct |
| 36 |
Correct |
21 ms |
452 KB |
Output is correct |
| 37 |
Correct |
24 ms |
348 KB |
Output is correct |
| 38 |
Correct |
25 ms |
452 KB |
Output is correct |
| 39 |
Correct |
23 ms |
348 KB |
Output is correct |
| 40 |
Correct |
25 ms |
348 KB |
Output is correct |
| 41 |
Correct |
24 ms |
348 KB |
Output is correct |
| 42 |
Correct |
20 ms |
344 KB |
Output is correct |
| 43 |
Correct |
25 ms |
348 KB |
Output is correct |
| 44 |
Correct |
26 ms |
348 KB |
Output is correct |
| 45 |
Correct |
23 ms |
348 KB |
Output is correct |
| 46 |
Correct |
21 ms |
348 KB |
Output is correct |
| 47 |
Correct |
23 ms |
600 KB |
Output is correct |
| 48 |
Correct |
21 ms |
348 KB |
Output is correct |
| 49 |
Correct |
21 ms |
348 KB |
Output is correct |
| 50 |
Correct |
139 ms |
432 KB |
Output is correct |
| 51 |
Correct |
140 ms |
432 KB |
Output is correct |
| 52 |
Correct |
77 ms |
344 KB |
Output is correct |
| 53 |
Correct |
129 ms |
344 KB |
Output is correct |
| 54 |
Correct |
21 ms |
348 KB |
Output is correct |
| 55 |
Correct |
25 ms |
348 KB |
Output is correct |
| 56 |
Correct |
141 ms |
432 KB |
Output is correct |
| 57 |
Correct |
21 ms |
344 KB |
Output is correct |
| 58 |
Correct |
21 ms |
452 KB |
Output is correct |
| 59 |
Correct |
21 ms |
348 KB |
Output is correct |
| 60 |
Correct |
21 ms |
452 KB |
Output is correct |
| 61 |
Correct |
139 ms |
428 KB |
Output is correct |
| 62 |
Correct |
22 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
23 ms |
348 KB |
Output is correct |
| 2 |
Correct |
19 ms |
348 KB |
Output is correct |
| 3 |
Correct |
21 ms |
348 KB |
Output is correct |
| 4 |
Correct |
21 ms |
348 KB |
Output is correct |
| 5 |
Correct |
24 ms |
348 KB |
Output is correct |
| 6 |
Correct |
25 ms |
348 KB |
Output is correct |
| 7 |
Correct |
23 ms |
344 KB |
Output is correct |
| 8 |
Correct |
21 ms |
456 KB |
Output is correct |
| 9 |
Correct |
23 ms |
348 KB |
Output is correct |
| 10 |
Correct |
31 ms |
348 KB |
Output is correct |
| 11 |
Correct |
23 ms |
344 KB |
Output is correct |
| 12 |
Correct |
20 ms |
456 KB |
Output is correct |
| 13 |
Correct |
21 ms |
344 KB |
Output is correct |
| 14 |
Correct |
32 ms |
348 KB |
Output is correct |
| 15 |
Correct |
23 ms |
348 KB |
Output is correct |
| 16 |
Correct |
78 ms |
436 KB |
Output is correct |
| 17 |
Correct |
42 ms |
428 KB |
Output is correct |
| 18 |
Correct |
36 ms |
348 KB |
Output is correct |
| 19 |
Correct |
29 ms |
348 KB |
Output is correct |
| 20 |
Correct |
139 ms |
756 KB |
Output is correct |
| 21 |
Correct |
137 ms |
428 KB |
Output is correct |
| 22 |
Correct |
28 ms |
344 KB |
Output is correct |
| 23 |
Correct |
116 ms |
544 KB |
Output is correct |
| 24 |
Correct |
22 ms |
348 KB |
Output is correct |
| 25 |
Correct |
29 ms |
444 KB |
Output is correct |
| 26 |
Correct |
137 ms |
344 KB |
Output is correct |
| 27 |
Correct |
24 ms |
348 KB |
Output is correct |
| 28 |
Correct |
22 ms |
348 KB |
Output is correct |
| 29 |
Correct |
21 ms |
348 KB |
Output is correct |
| 30 |
Correct |
22 ms |
460 KB |
Output is correct |
| 31 |
Correct |
138 ms |
428 KB |
Output is correct |
| 32 |
Correct |
22 ms |
348 KB |
Output is correct |
| 33 |
Correct |
21 ms |
344 KB |
Output is correct |
| 34 |
Correct |
21 ms |
348 KB |
Output is correct |
| 35 |
Correct |
21 ms |
348 KB |
Output is correct |
| 36 |
Correct |
21 ms |
452 KB |
Output is correct |
| 37 |
Correct |
24 ms |
348 KB |
Output is correct |
| 38 |
Correct |
25 ms |
452 KB |
Output is correct |
| 39 |
Correct |
23 ms |
348 KB |
Output is correct |
| 40 |
Correct |
25 ms |
348 KB |
Output is correct |
| 41 |
Correct |
24 ms |
348 KB |
Output is correct |
| 42 |
Correct |
20 ms |
344 KB |
Output is correct |
| 43 |
Correct |
25 ms |
348 KB |
Output is correct |
| 44 |
Correct |
26 ms |
348 KB |
Output is correct |
| 45 |
Correct |
23 ms |
348 KB |
Output is correct |
| 46 |
Correct |
21 ms |
348 KB |
Output is correct |
| 47 |
Correct |
23 ms |
600 KB |
Output is correct |
| 48 |
Correct |
21 ms |
348 KB |
Output is correct |
| 49 |
Correct |
21 ms |
348 KB |
Output is correct |
| 50 |
Correct |
139 ms |
432 KB |
Output is correct |
| 51 |
Correct |
140 ms |
432 KB |
Output is correct |
| 52 |
Correct |
77 ms |
344 KB |
Output is correct |
| 53 |
Correct |
129 ms |
344 KB |
Output is correct |
| 54 |
Correct |
21 ms |
348 KB |
Output is correct |
| 55 |
Correct |
25 ms |
348 KB |
Output is correct |
| 56 |
Correct |
141 ms |
432 KB |
Output is correct |
| 57 |
Correct |
21 ms |
344 KB |
Output is correct |
| 58 |
Correct |
21 ms |
452 KB |
Output is correct |
| 59 |
Correct |
21 ms |
348 KB |
Output is correct |
| 60 |
Correct |
21 ms |
452 KB |
Output is correct |
| 61 |
Correct |
139 ms |
428 KB |
Output is correct |
| 62 |
Correct |
22 ms |
344 KB |
Output is correct |
| 63 |
Correct |
186 ms |
26088 KB |
Output is correct |
| 64 |
Correct |
106 ms |
18256 KB |
Output is correct |
| 65 |
Correct |
184 ms |
25832 KB |
Output is correct |
| 66 |
Correct |
105 ms |
18412 KB |
Output is correct |
| 67 |
Correct |
117 ms |
18924 KB |
Output is correct |
| 68 |
Correct |
118 ms |
20048 KB |
Output is correct |
| 69 |
Correct |
177 ms |
25944 KB |
Output is correct |
| 70 |
Correct |
106 ms |
18260 KB |
Output is correct |
| 71 |
Correct |
112 ms |
18772 KB |
Output is correct |
| 72 |
Correct |
118 ms |
20200 KB |
Output is correct |
| 73 |
Correct |
170 ms |
25936 KB |
Output is correct |
| 74 |
Correct |
125 ms |
18276 KB |
Output is correct |
| 75 |
Correct |
114 ms |
18916 KB |
Output is correct |
| 76 |
Correct |
124 ms |
20052 KB |
Output is correct |
| 77 |
Correct |
183 ms |
25936 KB |
Output is correct |
| 78 |
Correct |
254 ms |
22244 KB |
Output is correct |
| 79 |
Correct |
245 ms |
22100 KB |
Output is correct |
| 80 |
Correct |
141 ms |
22356 KB |
Output is correct |
| 81 |
Correct |
140 ms |
22252 KB |
Output is correct |
| 82 |
Correct |
215 ms |
18284 KB |
Output is correct |
| 83 |
Correct |
102 ms |
18256 KB |
Output is correct |
| 84 |
Correct |
99 ms |
18264 KB |
Output is correct |
| 85 |
Correct |
174 ms |
26452 KB |
Output is correct |
| 86 |
Correct |
202 ms |
26596 KB |
Output is correct |
| 87 |
Correct |
252 ms |
22864 KB |
Output is correct |
| 88 |
Correct |
138 ms |
16216 KB |
Output is correct |
