Submission #699749

#	Time	Username	Problem	Language	Result	Execution time	Memory
699749		Zezo_Amr	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	212 KiB

art

#include <bits/stdc++.h>

#define int long long

using namespace std;

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin>>n;
    vector<pair<int,int>>v;
    for(int i=0; i<n; i++)
    {
        int x,y;
        cin>>x>>y;
        v.push_back({x,y});
    }
    sort(v.begin(),v.end());
    int c,mxm=-10000000000000000,s=0,mx,mn=v[0].first;
    int x=-1;
    for(int i=0; i<0.8*n; i++)
    {
        mn=v[i].first;
        s=v[i].second;
        mx=v[i].first;
        c=s-(mx-mn);
        if(c>mxm)
            mxm=c;
        for(int j=i+1; j<n; j++)
        {
            s+=v[j].second;
            mx=v[j].first;
            c=s-(mx-mn);
            if(c>mxm)
            {
                mxm=c;
                x=v[j].first;
            }
        }
    }
    cout<<mxm<<'\n';
    return 0;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:23:9: warning: variable 'x' set but not used [-Wunused-but-set-variable]
   23 |     int x=-1;
      |         ^

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