#include <bits/stdc++.h>
#define int long long
#define ll long long
#define ld long double
using namespace std;
const int mxn = 1005;
const int SQRT = 500;
const int inf = 1e18;
const int mod = 998244353;
const ld eps = 1e-9;
vector<pair<int,int> > res;
int A[mxn];
void xswap(int a,int b){
res.push_back({b,a});
res.push_back({a,b});
res.push_back({b,a});
swap(A[a], A[b]);
}
void solve(int T){
int n,s;
cin>>n>>s;
for(int i = 0;i<n;i++)cin>>A[i];
while(2 + 2 == 4){
bool found = false;
for(int i = 0;i<n-1;i++){
if(A[i] > A[i+1]){
xswap(i, i+1);
found = true;
}
}
if(!found)break;
}
cout<<res.size()<<endl;
for(auto p: res){
cout<<p.first+1<<" "<<p.second+1<<endl;
}
}
int32_t main(){
#ifdef ONLINE_JUDGE
ios::sync_with_stdio(false);
cin.tie(0);
#endif
int t = 1;
//cin>>t;
for(int i = 1;i<=t;i++)solve(i);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
3 ms |
304 KB |
Output is correct |
4 |
Correct |
20 ms |
752 KB |
Output is correct |
5 |
Correct |
25 ms |
848 KB |
Output is correct |
6 |
Correct |
18 ms |
848 KB |
Output is correct |
7 |
Correct |
18 ms |
848 KB |
Output is correct |
8 |
Correct |
21 ms |
940 KB |
Output is correct |
9 |
Correct |
20 ms |
848 KB |
Output is correct |
10 |
Correct |
19 ms |
848 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
36 ms |
1356 KB |
Output is correct |
13 |
Correct |
36 ms |
1356 KB |
Output is correct |
14 |
Correct |
39 ms |
1356 KB |
Output is correct |
15 |
Correct |
37 ms |
1356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
3 ms |
304 KB |
Output is correct |
4 |
Correct |
20 ms |
752 KB |
Output is correct |
5 |
Correct |
25 ms |
848 KB |
Output is correct |
6 |
Correct |
18 ms |
848 KB |
Output is correct |
7 |
Correct |
18 ms |
848 KB |
Output is correct |
8 |
Correct |
21 ms |
940 KB |
Output is correct |
9 |
Correct |
20 ms |
848 KB |
Output is correct |
10 |
Correct |
19 ms |
848 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
36 ms |
1356 KB |
Output is correct |
13 |
Correct |
36 ms |
1356 KB |
Output is correct |
14 |
Correct |
39 ms |
1356 KB |
Output is correct |
15 |
Correct |
37 ms |
1356 KB |
Output is correct |
16 |
Correct |
1 ms |
300 KB |
Output is correct |
17 |
Correct |
20 ms |
940 KB |
Output is correct |
18 |
Correct |
32 ms |
1036 KB |
Output is correct |
19 |
Correct |
33 ms |
1096 KB |
Output is correct |
20 |
Correct |
32 ms |
976 KB |
Output is correct |
21 |
Correct |
32 ms |
988 KB |
Output is correct |
22 |
Correct |
33 ms |
1120 KB |
Output is correct |
23 |
Correct |
33 ms |
1060 KB |
Output is correct |
24 |
Correct |
34 ms |
1056 KB |
Output is correct |
25 |
Correct |
31 ms |
1056 KB |
Output is correct |
26 |
Incorrect |
63 ms |
1652 KB |
Integer 59568 violates the range [0, 40000] |
27 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
3 ms |
340 KB |
Output is correct |
4 |
Correct |
32 ms |
1056 KB |
Output is correct |
5 |
Incorrect |
819 ms |
18532 KB |
Integer 764742 violates the range [0, 40000] |
6 |
Halted |
0 ms |
0 KB |
- |