#include "windows.h"

#include "stdio.h"

int Add(int a, int b)

{

return a + b;

}

int Sub(int a, int b)

{

return a - b;

}

int Mul(int a, int b)

{

return a * b;

}

float Div(int a, int b)

{

if(b == 0) return 0;

return (float)a / b;

}

void main()

{

int nNumA = 0, nNumB = 0;

while(TRUE)

{

printf("輸入數A:");

scanf("%d", &nNumA);

printf("輸入數B:");

scanf("%d", &nNumB);

printf("加法: %d + %d = %d\n",nNumA, nNumB, Add(nNumA, nNumB));

printf("減法: %d - %d = %d\n",nNumA, nNumB, Sub(nNumA, nNumB));

printf("乘法: %d * %d = %d\n",nNumA, nNumB, Mul(nNumA, nNumB));

if(nNumB != 0) printf("除法: %d / %d = %.2f\n",nNumA, nNumB, Div(nNumA, nNumB));

else printf("被除數為0，不能進行除法運算\n");

}

return ;

}