// teddybear's code
// the one who loves NBP
// noe the second
// goal: 0 / 8
// get medal in APIO (like TKN)
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
// prob:
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#define FOR(i,n) for (int i = 0; i<n; i++)
using ll = long long;
using ull = unsigned long long;
ll n,m,t;
ll cnt = 0;
const int maxn = 1e5;
const ll mod = 1e9 + 7;
#define Y "YES"
#define N "NO"
ll a[maxn + 5];
bool visited[1005][1005];
int dist[1005][1005];
int w,h;
int fx[4] = {-1, 1, 0, 0};
int fy[4] = {0, 0, -1, 1};
queue <pair<int,int>> q;
void solve()
{
cin >> n >> m;
vector <pair<int,int>> vp;
for (int i = 1; i<=n; i++)
{
cin >> a[i];
}
int dem = 0;
while (true)
{
dem = 0;
for (int i = 1; i<=n-1; i++)
{
if (a[i] < a[i+1])
{
dem++;
}
else
{
swap(a[i], a[i+1]);
vp.push_back({i, i+1});
vp.push_back({i+1, i});
vp.push_back({i, i+1});
}
}
if (dem == n-1)
{
break;
}
/*cout << "! ";
for (int i = 1; i<=n; i++)
{
cout << a[i] << ' ';
}
cout << '\n';*/
}
cout << vp.size() << '\n';
for (auto j : vp)
{
cout << j.first << ' ' << j.second << '\n';
}
}
void init()
{
int te = 1; //cin >> te;
while (te--)
{
solve();
}
}
void preprocess()
{
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
//cin.tie(0); cout.tie(0);
//freopen(".inp", "r", stdin);
//freopen(".out", "w", stdout);
init();
preprocess();
//solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
600 KB |
Output is correct |
6 |
Correct |
2 ms |
724 KB |
Output is correct |
7 |
Correct |
2 ms |
724 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
2 ms |
728 KB |
Output is correct |
10 |
Correct |
2 ms |
728 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
4 ms |
984 KB |
Output is correct |
13 |
Correct |
4 ms |
984 KB |
Output is correct |
14 |
Correct |
4 ms |
984 KB |
Output is correct |
15 |
Correct |
4 ms |
984 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
600 KB |
Output is correct |
6 |
Correct |
2 ms |
724 KB |
Output is correct |
7 |
Correct |
2 ms |
724 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
2 ms |
728 KB |
Output is correct |
10 |
Correct |
2 ms |
728 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
4 ms |
984 KB |
Output is correct |
13 |
Correct |
4 ms |
984 KB |
Output is correct |
14 |
Correct |
4 ms |
984 KB |
Output is correct |
15 |
Correct |
4 ms |
984 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
2 ms |
600 KB |
Output is correct |
18 |
Correct |
4 ms |
872 KB |
Output is correct |
19 |
Correct |
5 ms |
856 KB |
Output is correct |
20 |
Correct |
4 ms |
856 KB |
Output is correct |
21 |
Correct |
4 ms |
856 KB |
Output is correct |
22 |
Correct |
4 ms |
856 KB |
Output is correct |
23 |
Correct |
4 ms |
856 KB |
Output is correct |
24 |
Correct |
3 ms |
856 KB |
Output is correct |
25 |
Correct |
3 ms |
856 KB |
Output is correct |
26 |
Incorrect |
7 ms |
1236 KB |
Integer 59568 violates the range [0, 40000] |
27 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
4 ms |
900 KB |
Output is correct |
5 |
Incorrect |
105 ms |
12400 KB |
Integer 764742 violates the range [0, 40000] |
6 |
Halted |
0 ms |
0 KB |
- |