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  1. #include <stdio.h>
  2. #include<math.h>
  3. int main(void) {
  4. 	float a,x1,x2;
  5.     scanf("%f",&a);
  6.     x1=a/2;
  7.     x2=(x1+a/x1)/2;
  8.     while(fabs(x1-x2)>1e-5){
  9.     x1=x2; 
  10.     x2=(x1+a/x1)/2;
  11. }
  12.     printf("sqrt(a):%f\n",x1);
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5288KB
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stdin
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4.0
stdout
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sqrt(a):2.000000
https://ideone.com/7RQuQc
language:
C (gcc 8.3)
created:
8 hours ago
visibility:
public

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