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  1. #include <stdio.h>
  2. int keiro(int x, int y){
  3. if (x==0 || y==0) return 1;
  4.  else return keiro(x-1,y) +keiro(x,y-1);
  5. }
  6. int main(void) {
  7. 	int x,y;
  8.  scanf("%d",&x);
  9.  scanf("%d",&y);
  10. 	printf("%d",keiro(x,y));
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/Y8RuVJ
課題３
language:
C99 (gcc 8.3)
created:
5 days ago
visibility:
public

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