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  1. #include <stdio.h>
  2. int fuga(int x,int y){
  3. if(y==0){
  4. return 1;
  5. }
  6. else{
  7. return fuga(x,y-1)*x+1;
  8. }
  9. }
  10. int main(void) {
  11. int x,y;
  12. scanf("%d%d", &x,&y);
  13. printf("%d", fuga(x,y));
  14. return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5288KB
stdin
2
3
stdout
15