Submission #976748

#	Time	Username	Problem	Language	Result	Execution time	Memory
976748		SeenSiravit	Art Exhibition (JOI18_art)	C++14	0 / 100	0 ms	348 KiB

art

#include<bits/stdc++.h>
#define ll long long

using namespace std;

struct PAINT
{
    ll sz;
    ll val;

    bool operator < (const PAINT &d2) const{
        return sz < d2.sz;
    }
};

const int mxN = 5e5 + 5;

int n;
PAINT p[mxN];

int main(){
    ios::sync_with_stdio(0),cin.tie(0);

    cin>> n;

    for(int i=1;i<=n;i++) cin>> p[i].sz >> p[i].val;

    sort(p+1 , p+1+n);

    // for(int i=1;i<=n;i++) printf("%lld %lld\n" , p[i].sz , p[i].val);

    ll ans = p[1].val;
    ll reduce = -p[1].sz;

    ll sum = p[1].val;

    for(int i=2;i<=n;i++){
        reduce = min(reduce , sum-p[i-1].sz);

        sum += p[i].val;

        ll res = (sum - p[i].sz) - reduce;

        ans = max(ans , res);
    }

    cout<< ans;

    return 0;
}

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