#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
const int mxn = 501;
int n, s;
int A[300];
vector<pair<int, int>> ans; // Simplified to pair instead of array
inline void swp(int a, int b) {
if (a > b) {
for (int i = a; i > b; --i) {
ans.push_back({i, i - 1});
ans.push_back({i - 1, i});
ans.push_back({i, i - 1});
swap(A[i], A[i - 1]);
}
} else {
for (int i = a; i < b; ++i) {
ans.push_back({i, i + 1});
ans.push_back({i + 1, i});
ans.push_back({i, i + 1});
swap(A[i], A[i + 1]);
}
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> s;
vector<int> b(n);
for (int i = 0; i < n; ++i) {
cin >> A[i];
b[i] = A[i];
}
sort(b.begin(), b.end());
unordered_map<int, int> mp;
for (int i = 0; i < n; ++i) {
mp[b[i]] = i;
}
for (int i = n - 1; i >= 0; --i) {
if (i != mp[A[i]]) {
swp(i, mp[A[i]]);
++i; // Continue from the next index after a swap
}
}
for (const auto& p : ans) {
cout << p.first + 1 << " " << p.second + 1 << endl;
}
cout << ans.size() << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Not adjacent |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Not adjacent |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Not adjacent |
2 |
Halted |
0 ms |
0 KB |
- |