Submission #1158649

#	Time	Username	Problem	Language	Result	Execution time	Memory
1158649		rdaba	Art Exhibition (JOI18_art)	C++17	0 / 100	4 ms	320 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
int main() {
     ios::sync_with_stdio(0);
     cin.tie(0);
     ll n;
     cin >> n;
     ll ans=-1e17,a[n+1],b[n+1];
     for (int i=0; i<n; i++) cin >> a[i] >> b[i];
     for (int mask=0; mask<(1<<n); mask++) {
          ll sum=0,mx=-1e17,mn=1e17,cnt=0;
          for (int i=0; i<n; i++) {
               if (mask&(1<<i)) mx=max(mx,a[i]),mn=min(mn,a[i]),sum+=b[i],cnt++;
          }
          if (cnt<=1) continue;
          ans=max(ans,sum-(mx-mn));
     }
     cout << ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50