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  1. #include <stdio.h>
  2. int path (int x, int y){
  3.     if (x<0||y<0){
  4.     return 0;
  5.    }
  6.     if (x==0||y==0){
  7.     return 1;
  8.    }
  9.     return path(x-1,y)+path(x,y-1);
  10. }
  11.  
  12.  
  13. int main(void) {
  14.     int x,y;
  15.     scanf("%d\n",&x);
  16.     scanf("%d\n",&y);
  17.     int path(x,y);
  18.     printf("%d\n",path(x,y));
  19. 	// your code goes here
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5308KB
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4
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https://ideone.com/18fJP6
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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