Submission #206276

#	Time	Username	Problem	Language	Result	Execution time	Memory
206276		lucky_c25	Art Exhibition (JOI18_art)	C++14	0 / 100	5 ms	380 KiB

art

#include<bits/stdc++.h>
#define maxn 500010
using namespace std;

long long int maxx[maxn],p[maxn];
pair<long long int,int> s[maxn];

int main()
{
    int n; cin>>n;
    for(int i = 1;i<=n;i++) cin>>s[i].first>>s[i].second;
    sort(s+1,s+n+1);

    long long int suma = 0;
    for(int i = 0;i<n;i++){
        suma+=s[i].second;
        p[i] = suma;
    }

    for(int i = 1;i<=n;i++){
        maxx[i] = max(maxx[i-1],s[i].first-p[i-1]);
    }

    long long int res = 0;
    for(int i = 1;i<=n;i++){
        res = max(res,p[i]-s[i].first+maxx[i]);
    }
    cout<<res;

    return 0;
}

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