oj.uz

Submission #587252

# Submission time Handle Problem Language Result Execution time Memory
587252 2022-07-01T14:22:07 Z krit3379 Swap (BOI16_swap) C++17
0 / 100
 1 ms 212 KB 
#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define N 200005

int a[N],b[N];
bitset<N> vis;
priority_queue<int,vector<int>,greater<int>> q;

int main(){
    int n,i,mi;
    scanf("%d",&n);
    for(i=1;i<=n;i++)scanf("%d",&a[i]);
    if(n%2==0)a[n+1]=1e9;
    for(i=1;i*2<=n;i++){
        mi=min({a[i],a[i*2],a[i*2+1]});
        if(b[i]||q.empty()||q.top()>mi){
            if(mi==a[i])b[i]=a[i],b[i*2]=a[i*2],b[i*2+1]=a[i*2+1];
            else if(mi==a[i*2])b[i]=a[i*2],b[i*2]=a[i],b[i*2+1]=a[i*2+1];
            else b[i]=a[i*2+1],q.push(a[i]),vis[i*2+1]=true;
        }
        else{
            b[i]=q.top();
            q.pop();
            q.push(a[i]);
        }
    }
    for(;i<=n;i++){
        if(!vis[i])q.push(a[i]);
        if(!b[i])b[i]=q.top(),q.pop();
    }
    for(i=1;i<=n;i++)printf("%d ",b[i]);
    return 0;
}

Compilation message

swap.cpp: In function 'int main()':
swap.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
swap.cpp:14:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     for(i=1;i<=n;i++)scanf("%d",&a[i]);
      |                      ~~~~~^~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -