제출 #1344211

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1344211		srividya_06	Astronomer (BOI23_astronomer)	C++20	8 / 100	1 ms	344 KiB

Main

#include <bits/stdc++.h>
#define int long long
#define REP(i,a,b) for(int i = a; i<b; i++)
#define RREP(i,a,b) for(int i = a; i>b; i--)
using namespace std;
int INF = 1e18;
int32_t main() {
    int k,n;
    double s,t,x,y;
    cin>>k>>n>>s>>t;
    vector<pair<double,double>> pos;
    vector<double> dist;
    REP(i,0,n){
        cin>>x>>y;
        pos.push_back({x,y});
        dist.push_back(sqrtl(x*x+y*y));
    }
    sort(dist.begin(),dist.end());
    cout << fixed << setprecision(10) <<dist[k-1]*t;
}

• Subtask 1: 0 / 0
• Subtask 2: 8 / 8
• Subtask 3: 0 / 9
• Subtask 4: 0 / 18
• Subtask 5: 0 / 13
• Subtask 6: 0 / 14
• Subtask 7: 0 / 15
• Subtask 8: 0 / 23