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  1. #include <stdio.h>
  2.  
  3. void test( float dt, int steps )
  4. {
  5.     float x = 100.0f;
  6. 	float v = 0;
  7. 	for ( int i = 0; i < steps; i++ )
  8. 	{
  9. 	        v = v - .1f * x * dt;
  10.         	x = x + v * dt;
  11. 	}
  12.         printf("%g\n", x);
  13. };
  14.  
  15. int main(int argc, char **argv) {
  16.  
  17.     test( 1, 20 );
  18.     test( 0.1, 200 );
  19.     test( 0.01, 2000 );
  20.     test( 1000, 2000 );
  21.     return 0;
  22. }
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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98.6803
99.8475
99.9079
-nan
https://ideone.com/KBT8Lk
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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