Submission #3580983


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
 
int main(){
	double r,n,m;
	cin>>r>>n>>m;

	double d=2*r/n;

	double ans=0;
	for (int i = 1; i <= n+m-1; i++){
		double a=min(abs(r-d*i),abs(r-d*(i-m)));
		ans+=2*sqrt(r*r-a*a);
		}

	cout<<fixed<<setprecision(7)<<ans<<endl;

}

Submission Info

Submission Time
Task B - ステップカット
User gamino
Language C++14 (GCC 5.4.1)
Score 200
Code Size 293 Byte
Status AC
Exec Time 2 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 16
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt, 00_example_03.txt
All 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 10_rand_01.txt, 10_rand_02.txt, 10_rand_03.txt, 10_rand_04.txt, 10_rand_05.txt, 10_rand_06.txt, 10_rand_07.txt, 10_rand_08.txt, 20_hand_01.txt, 20_hand_02.txt, 20_hand_03.txt, 20_hand_04.txt, 20_hand_05.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 1 ms 256 KB
00_example_02.txt AC 1 ms 256 KB
00_example_03.txt AC 2 ms 256 KB
10_rand_01.txt AC 1 ms 256 KB
10_rand_02.txt AC 1 ms 256 KB
10_rand_03.txt AC 2 ms 256 KB
10_rand_04.txt AC 1 ms 256 KB
10_rand_05.txt AC 1 ms 256 KB
10_rand_06.txt AC 1 ms 256 KB
10_rand_07.txt AC 1 ms 256 KB
10_rand_08.txt AC 1 ms 256 KB
20_hand_01.txt AC 2 ms 256 KB
20_hand_02.txt AC 2 ms 256 KB
20_hand_03.txt AC 2 ms 256 KB
20_hand_04.txt AC 1 ms 256 KB
20_hand_05.txt AC 1 ms 256 KB