Submission #921885

#	Time	Username	Problem	Language	Result	Execution time	Memory
921885		vjudge1	Safety (NOI18_safety)	C++17	5 / 100	29 ms	3740 KiB

safety

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
using namespace std;

void solve(){
    ll a,k,ans=0,sum=0;
    cin>>a>>k;
    ll b[a+1];
    for(ll i=1;i<=a;i++){
        cin>>b[i];
    }
    sort(b+1,b+a+1);
    ll polovina1=b[a/2];
    ll polovina2=b[a/2+1];
    for(ll i=1;i<=a;i++){
        ans+=abs(b[i]-polovina1);
    }
    for(ll i=1;i<=a;i++){
        sum+=abs(b[i]-polovina2);
    }
    cout<<min(sum,ans);
}

int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0);
    ll t=1,i=1;
    //cin>>t;
    while(t--){
        //cout<<"Case ";
        //cout<<i<<':'<<"\n";
        //i++;
        solve();
    }
    return 0;
}

Compilation message (stderr)

safety.cpp: In function 'int main()':
safety.cpp:28:12: warning: unused variable 'i' [-Wunused-variable]
   28 |     ll t=1,i=1;
      |            ^

• Subtask 1: 0 / 3
• Subtask 2: 0 / 4
• Subtask 3: 0 / 9
• Subtask 4: 5 / 5
• Subtask 5: 0 / 6
• Subtask 6: 0 / 11
• Subtask 7: 0 / 11
• Subtask 8: 0 / 22
• Subtask 9: 0 / 29