#include
using namespace std;
int main()
{
int n,p;
cin>>n>>p;
double inc=1.0,sqrt=1.0;
for(int i=0;i<p;i++)
{
while(sqrt*sqrt<=n)
{
sqrt=sqrt+inc;
}
sqrt=sqrt-inc;
inc=inc/10;
}
cout<<sqrt;
return 0;
}
take n=12 and p(precision)=8 output: 3.4641
why is it so the precision we get is 5 not 8
@namangarg31 hey use printf for precision,here is example:
In C, there is a format specifier in C. To print 4 digits after dot, we can use 0.4f in printf(). Below is program to demonstrate the same.
// C program to set precision in floating point numbers
// using format specifier
#include<stdio.h>
int main()
{
float num = 5.48958123;
// 4 digits after the decimal point
printf("%0.4f", num);
return 0;
}
Output:
5.4896
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