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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. void test( float dt, int steps )
  5. {
  6.     float x = 100.0f;
  7. 	float v = 0;
  8. 	for ( int i = 0; i < steps; i++ )
  9. 	{
  10. 	        v = v - .1f * x * dt;
  11.         	x = x + v * dt;
  12. 	}
  13.         printf("%g\n", x);
  14. };
  15.  
  16. int main(int argc, char **argv) {
  17.  
  18.     test( 0.01, 100000000 );
  19.     printf("%g\n", 100.0f*cos(0.01*100000000.0/sqrt(10.0f)));
  20.     return 0;
  21. }
Success #stdin #stdout 1.05s 2896KB
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stdin 
Standard input is empty
stdout 
10.9255
23.5861
https://ideone.com/YNu5LR
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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