Submission #169113

#	Time	Username	Problem	Language	Result	Execution time	Memory
169113		HuyQuang_re_Zero	Art Exhibition (JOI18_art)	C++14	100 / 100	307 ms	24904 KiB

art

#include <bits/stdc++.h>
using namespace std;
struct pt { long long w,v; };
bool cmp(pt a,pt b) { return a.w<b.w; }
pt a[500001];
long long n,i,ma,kq,f[500001];
int main()
{
    //freopen("art.inp","r",stdin);
    //freopen("art.out","w",stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin>>n;
    for(i=1;i<=n;i++) cin>>a[i].w>>a[i].v;
    sort(a+1,a+n+1,cmp);
    ma=-round(1e18);
    for(i=1;i<=n;i++)
    {
        f[i]=f[i-1]+a[i].v;
        ma=max(ma,-f[i-1]+a[i].w);
        kq=max(kq,ma+f[i]-a[i].w);
    }
    cout<<kq;
}

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