Submission #700059

#	Time	Username	Problem	Language	Result	Execution time	Memory
700059		dsyz	Art Exhibition (JOI18_art)	C++17	0 / 100	0 ms	340 KiB

art

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
int main() {
	ios_base::sync_with_stdio(false);cin.tie(0);
	ll N;
	cin>>N;
	pair<ll,ll> arr[N];
	ll maximum = 0;
	for(ll i = 0;i < N;i++){
		cin>>arr[i].first>>arr[i].second;
		maximum = max(maximum,arr[i].second);
	}
	sort(arr,arr + N);
	ll ptr = 0;
	ll cur = arr[0].second;
	for(ll i = 1;i < N;i++){
		cur += arr[i].second;
		cur -= (arr[i].first - arr[i - 1].first);
		while(ptr < i){
			if(cur + (arr[ptr + 1].first - arr[ptr].first) - arr[ptr].second > cur){
				cur += (arr[ptr + 1].first - arr[ptr].first) - arr[ptr].second;
				ptr++;
			}else{
				break;
			}
		}
		maximum = max(maximum,cur);
	}
	cout<<maximum<<'\n';
}

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