oj.uz

답안 #775058

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
775058 2023-07-06T07:13:28 Z Polar_Bear_2007 Xor Sort (eJOI20_xorsort) C++17
25 / 100
 118 ms 18516 KB 
// #pragma GCC optimize("Ofast,unroll-loops")

#ifdef MINHDEPTRAI
 
#include "/Library/Developer/CommandLineTools/usr/include/c++/v1/bits/stdc++.h"
#include <chrono>
#define __gcd(a, b) gcd(a, b)
using namespace std ::chrono;
#else
#include <bits/stdc++.h>
#endif
using namespace std;
#define foru(i, a, b) for (int i = a; i <= b; ++i)
#define ford(i, a, b) for (int i = a; i >= b; --i)
#define IOS ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define mp(a, b) make_pair(a, b)
// #define int long long
typedef pair<int, int>  pii;
typedef pair<pair<int, int>, int> piii;
#define endl '\n'
const string name_minh = "9";
#define int long long
const int maxN = 2e5 + 5;
const int mod = 1;

const int inf = 1e9;
int n, arr[maxN], k;

vector<pair<int, int>> ans;
void push_arr(int i, int j){
    ans.push_back(mp(j, i));
    ans.push_back(mp(i, j));
    ans.push_back(mp(j, i));
}

void solve(){
    cin >> n >> k;
    foru(i, 1, n){
        cin >> arr[i];
    }
    bool swapped = true;
    int start = 1, end = n;

    while(swapped){
        swapped = false;

        foru(i, start, end - 1){
            if(arr[i] > arr[i + 1]){
                swap(arr[i], arr[i + 1]);
                push_arr(i + 1, i);
                swapped = true;
            }
        }
        if(!swapped) break;
        end--;
        swapped = false;
        ford(i, end, start + 1){
            if(arr[i] < arr[i - 1]){
                swap(arr[i], arr[i - 1]);
                push_arr(i, i - 1);
                swapped = true;
            }
        }

        start++;
    }

  
    cout << ans.size() << endl;
    for(auto x: ans){
        cout << x.first << " " << x.second << endl;
    }
   
    
}
signed main(){
    IOS
    // #ifdef MINHDEPTRAI 
    // ifstream cin(name_minh + ".in");
    // ofstream cout(name_minh + ".out");
    // #endif
    solve();
  
}

Subtask #1
25.0 / 25.0

# 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 1 ms 340 KB Output is correct
4 Correct 3 ms 728 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 3 ms 984 KB Output is correct
7 Correct 3 ms 984 KB Output is correct
8 Correct 3 ms 984 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 4 ms 984 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 7 ms 1492 KB Output is correct
13 Correct 6 ms 1492 KB Output is correct
14 Correct 5 ms 1492 KB Output is correct
15 Correct 5 ms 1492 KB Output is correct

Subtask #2
0 / 35.0

# 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 1 ms 340 KB Output is correct
4 Correct 3 ms 728 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 3 ms 984 KB Output is correct
7 Correct 3 ms 984 KB Output is correct
8 Correct 3 ms 984 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 4 ms 984 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 7 ms 1492 KB Output is correct
13 Correct 6 ms 1492 KB Output is correct
14 Correct 5 ms 1492 KB Output is correct
15 Correct 5 ms 1492 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 4 ms 1108 KB Output is correct
19 Correct 5 ms 1108 KB Output is correct
20 Correct 5 ms 1108 KB Output is correct
21 Correct 6 ms 1108 KB Output is correct
22 Correct 7 ms 1108 KB Output is correct
23 Correct 6 ms 1108 KB Output is correct
24 Correct 6 ms 1096 KB Output is correct
25 Correct 4 ms 1108 KB Output is correct
26 Incorrect 8 ms 1744 KB Integer 59568 violates the range [0, 40000]
27 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# 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 1 ms 340 KB Output is correct
4 Correct 6 ms 1108 KB Output is correct
5 Incorrect 118 ms 18516 KB Integer 764742 violates the range [0, 40000]
6 Halted 0 ms 0 KB -