Submission #209708

#	Time	Username	Problem	Language	Result	Execution time	Memory
209708		kshitij_sodani	Art Exhibition (JOI18_art)	C++17	100 / 100	247 ms	20964 KiB

art

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef int64_t llo;
#define a first
#define  b second
#define endl "\n"
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	llo n;
	cin>>n;

	vector<pair<llo,llo>> aa;
	llo bb,cc;
	for(llo i=0;i<n;i++){
		cin>>bb>>cc;
		aa.pb(mp(bb,cc));
	}
	sort(aa.begin(),aa.end());
	llo ma=aa[n-1].b;
	llo mi=aa[n-1].b-aa[n-1].a;
	for(llo i=n-2;i>=0;i--){
		ma=max(ma,aa[i].b);
		llo co=aa[i].b+mi+aa[i].a;
		ma=max(ma,co);
		mi=max(mi+aa[i].b,aa[i].b-aa[i].a);
	}
	cout<<ma<<endl;









	return 0;
}

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