oj.uz

Submission #573130

# Submission time Handle Problem Language Result Execution time Memory
573130 2022-06-06T03:55:28 Z duypd4206 Swap (BOI16_swap) C++14
0 / 100
 2 ms 340 KB 
#include<bits/stdc++.h>
using namespace std;

#define x first
#define y second
#define pb push_back
typedef pair<int,int> ii;
using ll = long long ;

const int maxn = 1e5 + 1;
const int oo = 1e9 + 7;
const ll ooo = 2e18 + 7;
const int mod = 1e9 + 7;
int a[maxn];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
#ifndef ONLINE_JUDGE
#define file ""
    freopen(file"inp","r",stdin);
    freopen(file"out","w",stdout);
#endif //ONLINE_JUDGE
    int n;
    cin >> n;
    for(int i = 1; i <= n; i++)
        cin >> a[i];
    for(int i = 2; i <= n; i+=2){
        int k = i/2;
        int mn = min({a[k], a[i], a[i+1]});
        if(a[k] == mn) continue;
        if(a[i] == mn)
        {
            swap(a[i], a[k]);
            continue;
        }
        if(a[i] < a[k]) swap(a[i], a[k]), swap(a[k], a[i+1]);
        else swap(a[k], a[i+1]);
    }
    for(int i = 1; i <= n; i++)
        cout << a[i] << " ";
}

Compilation message

swap.cpp: In function 'int main()':
swap.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     freopen(file"inp","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
swap.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     freopen(file"out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -