Submission #1133324

#TimeUsernameProblemLanguageResultExecution timeMemory
1133324MunkhturErdenebatArt Exhibition (JOI18_art)C++20
100 / 100
471 ms12156 KiB
#include<bits/stdc++.h>
#include<string.h>
#include <algorithm>
#include <stdlib.h>
 #define ll long long
using namespace std;
    ll a,b,c,d,e,f,m,i,j,n,h,g,l,r,ka,p,q,t[500005];
    map<ll,ll> maa,mii,mee;
    vector<ll> vj,vo,vi;
    pair<ll,ll> k[500005];
int main(){
    cin>>a;
    for(i=0 ; i<a ; i++){
        cin>>k[i].first>>k[i].second;
    }
    sort(k,k+a);
    t[0]=k[0].second;
    for(i=1 ; i<a ; i++){
        t[i]=max(k[i].second,t[i-1]+k[i].second-(k[i].first-k[i-1].first));
    }
    g=-10000000000000;
    for(i=0 ; i<a ; i++){
        g=max(g,t[i]);
    }
    cout<<g<<endl;
}
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