Submission #1385667

Source Code Expand

#include<iostream>
#include<iomanip>
using namespace std;
long double calc(int n,long double sum)
{
	long double ans=sum/(2*n);
	if(n==1)
		return ans;
	return ans+calc(n-1,sum-sum/(n*n));
}
int main()
{
	int n;
	long long d,x;
	cin>>n>>d>>x;
	long double sum=(d+d+(2*n-1)*x)*n;
	cout<<fixed<<setprecision(15)<<calc(n,sum)<<endl;
	return 0;
}

Submission Info

Submission Time
Task C - Pushing Balls
User vjudge1
Language C++14 (GCC 5.4.1)
Score 0
Code Size 342 Byte
Status WA
Exec Time 106 ms
Memory 12800 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 1792 KB
011.txt WA 76 ms 10624 KB
012.txt WA 40 ms 5888 KB
013.txt WA 43 ms 7040 KB
014.txt WA 38 ms 4992 KB
015.txt WA 79 ms 11520 KB
016.txt WA 77 ms 10752 KB
017.txt WA 37 ms 4736 KB
018.txt WA 78 ms 11136 KB
019.txt AC 3 ms 2432 KB
020.txt WA 105 ms 12800 KB
021.txt WA 106 ms 12800 KB
022.txt WA 105 ms 12800 KB
023.txt WA 105 ms 12800 KB
024.txt WA 105 ms 12800 KB
025.txt WA 106 ms 12800 KB
026.txt WA 106 ms 12800 KB
027.txt WA 105 ms 12800 KB
028.txt WA 105 ms 12800 KB
029.txt WA 105 ms 12800 KB
030.txt WA 105 ms 12800 KB
031.txt WA 106 ms 12800 KB
example0.txt AC 1 ms 256 KB
example1.txt AC 1 ms 256 KB
example2.txt AC 1 ms 256 KB