#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
vector <int> nums(n), pos(n);
for (int i = 0; i < n; i++) {
cin >> nums[i];
pos[nums[i]] = i;
}
int ans = 1e9;
vector <int> nums2(n);
for (int i = 0; i < n; i++)
nums2[i] = i+1;
do {
int cost = 0;
bool valid = true;
for (int i = 0; i+1 < n; i++) {
if (nums2[i] >= nums2[i+1] + 2)
valid = false;
}
if (!valid)
continue;
for (int i = 0; i < n; i++) {
for (int j = i+1; j < n; j++) {
if (pos[nums2[i]] > pos[nums2[j]])
cost++;
}
}
ans = min(ans, cost);
} while (next_permutation(nums2.begin(), nums2.end()));
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Runtime error |
1 ms |
436 KB |
Execution killed with signal 6 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Runtime error |
1 ms |
436 KB |
Execution killed with signal 6 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Runtime error |
1 ms |
436 KB |
Execution killed with signal 6 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Runtime error |
1 ms |
436 KB |
Execution killed with signal 6 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Runtime error |
1 ms |
436 KB |
Execution killed with signal 6 |
5 |
Halted |
0 ms |
0 KB |
- |