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  1. #include <stdio.h>
  2. double squareRoot(double n) {
  3. double i, precision = 0.00001;
  4. for(i = 1; i*i <=n; ++i); //tim phan nguyen
  5. for(--i; i*i < n; i += precision); //tim phan thap phan
  6. return i;
  7. }
  8. int main() {
  9. int n = 24;
  10. printf("Can bac hai cua %d = %lf", n, squareRoot(n));
  11. return 0;
  12. }
  13.  
Success #stdin #stdout 0.01s 5536KB
stdin
Standard input is empty
stdout
Can bac hai cua 24 = 4.898980