"C" "Face question" using the parameters of the main function to implement an integer computer, the program can accept three parameters

#define  _CRT_SECURE_NO_WARNINGS 1#include<stdio.h> #include <stdlib.h> #include <assert.h >int int_computer (int num1, char *p, int  num2) { if  (p ==   "-A")   return num1 + num2; else if  (p ==  "-S")    return num1 - num2; else if  (p ==  "-M")   return  num1 * num2; else if  (p ==  "-D")   return num1 /  Num2; else  return -1;} Int main (INT&NBSP;ARGC,INT&NBSP;ARGV) { char a; char *p = &a; int &NBSP;NUM1&NBSP;=&NBSP;0;&NBSP;INT&NBSP;NUM2&NBSP;=&NBSP;0;&NBSP;SCANF ("%d%c%d",  &num1, &a, &NBSP;&AMP;NUM2); if  (a ==  ' + ')   p =  "-a";     // If the input ' + ' means "-a" option to perform addition  else if  (a ==  '-')   p =&nbsP; " -S ";     //if input '-' indicates"-S "option to perform subtraction  else if  (a ==  ' * ')   p  =  "-M";     //if input ' * ' means '-m ' option to perform multiplication  else if  (a ==  '/')   p =  "-D";     //if the input '/' means "-d" option to perform division  else  p =    int ret = int_computer (num1, p, num2);  printf ("%d%c%d=%d\n",  num1, a, num2, ret);  system ("pause");  return 0;}

"C" "Face question" using the parameters of the main function to implement an integer computer, the program can accept three parameters