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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. double sqrt2(double n) {
  5.  
  6.       float x = n,
  7.             y = 1.0,
  8.             e = 0.0000000001;
  9.             while(x-y>e) {
  10.               x = (x + y ) / 2;
  11.               y = n / x;
  12.             }    
  13.       return x;
  14.  
  15. }
  16. int main(void) {
  17. 	printf("%.7f\n", sqrt2(2));
  18. 	printf("%.7f", sqrt(2));
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5468KB
comments (?)
stdin 
Standard input is empty
stdout 
1.4142135
1.4142136
https://ideone.com/f9pNuu
Square Root Babylonian
language:
C (gcc 8.3)
created:
1 year ago
visibility:
secret

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