Software Engineering Second Job

Topic:

Please write a "software" that can automatically generate primary arithmetic topics.
Allow the program to accept the user to enter the answer, and determine the right and wrong.
Finally, the total number of pairs/errors is given

Code implementation

#include <stdio.h> #include <time.h> #include <stdlib.h>int main () {    int a,i,n,o,x,y,z;    printf ("Please enter the number of questions:");    scanf ("%d", &n);   while (n--)    {        Srand (Time (NULL));  X=rand ()%10+1;  Y=rand ()%10+1;   O=rand ()%4;        Switch (o)     {case            0:       printf ("%d +%d =", x, y);  A=x+y;     break;          Case 1:                printf ("%d-%d =", x, y);  a=x-y;          break;         Case 2:          printf ("%d *%d =", x, y); A=x*y;      break;       Case 3:     printf ("%d/%d =", x, y);   a=x/y;                break;        }     scanf ("%d", &z); i=2;     while (z!=a&&i--)  {            printf ("Not correct! Try again!\n ");  scanf ("%d", &z);        }       if (z==a)  printf ("right!\n");    }    return 0;}

Program

Analysis and summary

• Analysis

• The foundation is too poor and needs to be strengthened

Software Engineering Second Job