Submission #1306400

#	Time	Username	Problem	Language	Result	Execution time	Memory
1306400		vtnoo	Let's Win the Election (JOI22_ho_t3)	C++20	5 / 100	1 ms	352 KiB

Main

#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(int i=a,pao=b;i<pao;++i)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
using namespace std;
typedef long long ll;
int main(){
	int n,k;cin>>n>>k;
	vector<int>a(n),b(n);
	vector<pair<int,int>>v;
	fore(i,0,n){
		cin>>a[i]>>b[i];
		v.pb({a[i],b[i]});
	}
	sort(ALL(v));
	double sum=0;
	fore(i,0,k)sum+=v[i].fst;
	cout<<fixed<<setprecision(20)<<sum<<endl;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 11
• Subtask 4: 0 / 12
• Subtask 5: 0 / 33
• Subtask 6: 0 / 11
• Subtask 7: 0 / 23