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  1. #include<stdio.h>
  2.  
  3. double mul(double x,double y);
  4.  
  5. int main(void)
  6. { int n1,n2;
  7. scanf("%d",&n1);
  8. scanf("%d",&n2);
  9. printf("n1 : %d\n",n1);
  10. printf("n2 : %d\n",n2);
  11. double (*pm)(double x,double y);
  12. pm=mul;
  13. printf("ans : %lf\n",(*pm)(n1,n2));
  14. return 0; }
  15.  
  16. double mul(double x,double y)
  17. { return x*y; }
Success #stdin #stdout 0s 5288KB
stdin
10
6
stdout
n1 : 10
n2 : 6
ans : 60.000000