Submission #1385748


Source Code Expand

#include<iostream>
#include<iomanip>
using namespace std;
long double ans=0;
void calc(int n,long double sum)
{
	ans+=sum/(2*n);
	if(n==1)
		return;
	calc(n-1,sum-sum/(n*n));
}

int main()
{
	long long n,d,x;
	cin>>n>>d>>x;
	long double sum=(d+d+(2*n-1)*x)*n;
	calc(n,sum);
	cout<<fixed<<setprecision(15)<<ans<<endl;
	return 0;
}

Submission Info

Submission Time
Task C - Pushing Balls
User vjudge1
Language C++14 (GCC 5.4.1)
Score 0
Code Size 329 Byte
Status WA
Exec Time 95 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1000
Status
AC × 3
AC × 15
WA × 20
Set Name Test Cases
Sample example0.txt, example1.txt, example2.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, example0.txt, example1.txt, example2.txt
Case Name Status Exec Time Memory
000.txt AC 1 ms 256 KB
001.txt AC 1 ms 256 KB
002.txt AC 1 ms 256 KB
003.txt AC 1 ms 256 KB
004.txt AC 1 ms 256 KB
005.txt AC 1 ms 256 KB
006.txt AC 1 ms 256 KB
007.txt AC 1 ms 256 KB
008.txt AC 1 ms 256 KB
009.txt AC 1 ms 256 KB
010.txt AC 2 ms 256 KB
011.txt WA 64 ms 256 KB
012.txt WA 33 ms 256 KB
013.txt WA 33 ms 256 KB
014.txt WA 32 ms 256 KB
015.txt WA 65 ms 256 KB
016.txt WA 65 ms 256 KB
017.txt WA 32 ms 256 KB
018.txt WA 64 ms 256 KB
019.txt AC 2 ms 256 KB
020.txt WA 95 ms 256 KB
021.txt WA 95 ms 256 KB
022.txt WA 95 ms 256 KB
023.txt WA 95 ms 256 KB
024.txt WA 95 ms 256 KB
025.txt WA 95 ms 256 KB
026.txt WA 95 ms 256 KB
027.txt WA 95 ms 256 KB
028.txt WA 95 ms 256 KB
029.txt WA 95 ms 256 KB
030.txt WA 95 ms 256 KB
031.txt WA 95 ms 256 KB
example0.txt AC 1 ms 256 KB
example1.txt AC 1 ms 256 KB
example2.txt AC 1 ms 256 KB