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  1. #include <stdio.h>
  2. #include <time.h>
  3.  
  4. int S( int n , int m )
  5. {
  6. 	if( n > m && m > 1 )
  7. 	{
  8. 		return m * S( n-1 , m ) + S( n-1 , m-1 ) ;
  9. 	}
  10.     else
  11.     	return 1 ;
  12. }
  13.  
  14. int main(void)
  15. {
  16.     int cases = 0 ;
  17.  
  18.     scanf( "%d", &cases ) ;
  19.  
  20. 	for( int i = 0 ; i < cases ; i++ )
  21.     {
  22.         int n = 0 , m = 0 ;
  23.  
  24.         scanf( "%d %d", &n , &m ) ;
  25.         printf( "%d time : %lf\n", S( n , m ) % 2 , (double)clock()/CLOCKS_PER_SEC ) ;
  26.     }
  27.  
  28.     return 0 ;
  29. }
Success #stdin #stdout 0s 5304KB
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stdin
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1
4 2
stdout
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1 time : 0.004177
https://ideone.com/THRzAH
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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