Submission #585715

#	Time	Username	Problem	Language	Result	Execution time	Memory
585715		ktkerem	Swap (BOI16_swap)	C++17	0 / 100	1 ms	212 KiB

swap

/*#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")*/
#include<bits/stdc++.h>
/*#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
template<class T>
using oset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
/**/
//typedef int ll;
typedef long long ll;
typedef unsigned long long ull;
typedef __int128 vll;
typedef unsigned __int128 uvll;
ll _i=0;
#define ffn(x) _i=x
#define llll std::pair<ll , ll>
#define stitr set<ll>::iterator
#define fora(y,x) for(ll y=_i;x>y;y++)
#define pb push_back
#define pf push_front
#define halo cout << "hello\n"
#define fi first
#define sec second
#define all(a) a.begin() , a.end()
const ll limit = 1e18 + 7; 
const ll ous = 2e5 + 7;
const ll dx[4] = {1 , 0 , 0 , -1} , dy[4] = {0,1,-1,0};
void solve(){
    ll n;std::cin >> n;
    ll ar[n];
    fora(i , n){
        std::cin >> ar[i];
    }
    for(ll i = 2;n>=i;i++){
        ll s  = i / 2 - 1;
        if(ar[i - 1] < ar[s] || (i != n && ((i + 1) / 2 - 1) == s && ar[i] < ar[i - 1] && ar[s] > ar[i])){
            ll tmp = ar[s];
            ar[s] = ar[i - 1];
            ar[i - 1] = tmp;
        }
    }
    fora(i , n){
        std::cout << ar[i] << " ";
    }
    return;/**/
}
signed main(){
    std::ios_base::sync_with_stdio(false);std::cin.tie(NULL);
    ll t=1;
    //std::cin >> t;
    ll o = 1;
    while(t--){ 
        //cout << "Case " << o++ << ":\n";
        solve();
    }
    return 0; 
}

Compilation message (stderr)

swap.cpp:12:1: warning: "/*" within comment [-Wcomment]
   12 | /**/
      |  
swap.cpp: In function 'int main()':
swap.cpp:55:8: warning: unused variable 'o' [-Wunused-variable]
   55 |     ll o = 1;
      |        ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 27
• Subtask 4: 0 / 20
• Subtask 5: 0 / 32