Submission #1174065

#	Time	Username	Problem	Language	Result	Execution time	Memory
1174065		javkhlantogs	Unija (COCI17_unija)	C++20	100 / 100	498 ms	16068 KiB

unija

#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
	ll n,i,j,ans=0,a,b,c,k=0;
	cin>>n;
	vector<pair<ll,ll>> x(n);
	for(i=0 ; i<n ; i++){
		cin>>x[i].first>>x[i].second;
		ans+=x[i].first*x[i].second;
	}
	sort(x.rbegin(),x.rend());
	k=x[0].second;
	for(i=1 ; i<n ; i++){
		if(x[i].second>k){
			ans-=x[i].first*k;
		}
			else{
				ans-=x[i].second*x[i].first;
			}
		k=max(k,x[i].second);
	}
	cout<<ans;
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10