#include "bits/stdc++.h"
using namespace std;
#define ffor(n) for(int i = 0; i < n; i++)
#define fffor(n) for(int j = 0; j < n; j++)
#define uwu ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize("Ofast")
const int INF = 1e9 + 7;
const long long INF2 = 1e17;
int main(void) {
uwu
int n; cin >> n;
vector <int> left(n), right(n);
ffor(n) cin >> left[i] >> right[i];
map <vector <int>, bool> reachable;
vector <int> v = left;
auto bfs = [&] (auto&& bfs) -> void {
if (reachable[v]) return;
reachable[v] = true;
for(int i = 0; i < n; i++) {
if (v[i] >= 2) {
v[i] -= 2;
v[(i + 1) % n] += 1;
bfs(bfs);
v[(i + 1) % n] -= 1;
v[(i + n - 1) % n] += 1;
bfs(bfs);
v[(i + n - 1) % n] -= 1;
v[i] += 2;
}
}
};
bfs(bfs);
if (reachable[right]) cout << "Yes\n";
else cout << "No\n";
}
/*
C:\Users\kenne\OneDrive\Desktop\competitive_programming\main.cpp
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
2564 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
5 ms |
696 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
316 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
2 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
320 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
181 ms |
9792 KB |
Output is correct |
| 22 |
Correct |
3 ms |
460 KB |
Output is correct |
| 23 |
Correct |
144 ms |
6576 KB |
Output is correct |
| 24 |
Correct |
760 ms |
29564 KB |
Output is correct |
| 25 |
Incorrect |
39 ms |
2752 KB |
Output isn't correct |
| 26 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
2564 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
5 ms |
696 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
316 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
2 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
320 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
181 ms |
9792 KB |
Output is correct |
| 22 |
Correct |
3 ms |
460 KB |
Output is correct |
| 23 |
Correct |
144 ms |
6576 KB |
Output is correct |
| 24 |
Correct |
760 ms |
29564 KB |
Output is correct |
| 25 |
Incorrect |
39 ms |
2752 KB |
Output isn't correct |
| 26 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
2564 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
5 ms |
696 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
316 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
2 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
320 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
181 ms |
9792 KB |
Output is correct |
| 22 |
Correct |
3 ms |
460 KB |
Output is correct |
| 23 |
Correct |
144 ms |
6576 KB |
Output is correct |
| 24 |
Correct |
760 ms |
29564 KB |
Output is correct |
| 25 |
Incorrect |
39 ms |
2752 KB |
Output isn't correct |
| 26 |
Halted |
0 ms |
0 KB |
- |
