#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2")
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) begin(x), end(x)
const int maxn = 2020;
int n, r, p = 0, a[maxn], cur[maxn], sp = 0;
array<int, 2> ans = {100000, -1};
void check() {
for(int i = 0; i < n; i++) cur[i] = a[i];
//for(int i = 0; i < n; i++) cout << cur[i] << " "; cout << endl;
for(int it = 0; it < r; it++) {
for(int i = 1; i < n; i += 2)
if(cur[i] < cur[i-1]) swap(cur[i], cur[i-1]);
for(int i = 2; i < n; i++) swap(cur[i], cur[i-1]);
}
int pos = 0;
while(cur[pos]) pos++;
ans = min(ans, {pos, -sp});
}
int main() {
cin.tie(0)->sync_with_stdio(0);
cin >> n >> r;
n *= 2;
r = r%(2*n);
r += 2*n;
cin >> p;
for(int i = 1; i < n; i++) {
cin >> a[i];
}
for(int i = 1; i < n; i++) {
a[i] = a[i] < p ? -1 : 1;
}
check();
for(int i = 1; i < n; i++) {
swap(a[i], a[i-1]);
sp++;
check();
}
cout << 1 + ((-ans[1])/2) << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Execution timed out |
2074 ms |
364 KB |
Time limit exceeded |
| 3 |
Correct |
238 ms |
364 KB |
Output is correct |
| 4 |
Execution timed out |
2086 ms |
364 KB |
Time limit exceeded |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1378 ms |
396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
25 ms |
364 KB |
Output is correct |
| 2 |
Execution timed out |
2086 ms |
364 KB |
Time limit exceeded |
| 3 |
Execution timed out |
2084 ms |
364 KB |
Time limit exceeded |
| 4 |
Runtime error |
2 ms |
492 KB |
Execution killed with signal 11 |
| 5 |
Runtime error |
2 ms |
492 KB |
Execution killed with signal 11 |
| 6 |
Execution timed out |
2089 ms |
364 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2051 ms |
512 KB |
Time limit exceeded |
| 8 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 9 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 10 |
Execution timed out |
2099 ms |
364 KB |
Time limit exceeded |
| 11 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 12 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 13 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 14 |
Runtime error |
2 ms |
492 KB |
Execution killed with signal 11 |
| 15 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 16 |
Correct |
1150 ms |
396 KB |
Output is correct |
| 17 |
Incorrect |
614 ms |
404 KB |
Output isn't correct |
| 18 |
Incorrect |
781 ms |
492 KB |
Output isn't correct |
| 19 |
Execution timed out |
2091 ms |
364 KB |
Time limit exceeded |
| 20 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 21 |
Runtime error |
2 ms |
492 KB |
Execution killed with signal 11 |
| 22 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 23 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 24 |
Execution timed out |
2080 ms |
364 KB |
Time limit exceeded |
| 25 |
Execution timed out |
2081 ms |
364 KB |
Time limit exceeded |
| 26 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 27 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 28 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 29 |
Incorrect |
291 ms |
408 KB |
Output isn't correct |
| 30 |
Runtime error |
2 ms |
492 KB |
Execution killed with signal 11 |
| 31 |
Runtime error |
2 ms |
492 KB |
Execution killed with signal 11 |
| 32 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 33 |
Execution timed out |
2070 ms |
364 KB |
Time limit exceeded |
| 34 |
Correct |
1522 ms |
492 KB |
Output is correct |
| 35 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 36 |
Incorrect |
1861 ms |
492 KB |
Output isn't correct |
| 37 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 38 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 39 |
Correct |
1666 ms |
492 KB |
Output is correct |
| 40 |
Execution timed out |
2073 ms |
364 KB |
Time limit exceeded |
| 41 |
Incorrect |
22 ms |
364 KB |
Output isn't correct |
| 42 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 43 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 44 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 45 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 46 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
| 47 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 11 |
