#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(void)
{
	int a,b;
	char op;

	srand(time(NULL));
	
	a=rand()%100;
	b=rand()%100;

	printf("a = %d  et b = %d\n",a,b);

	printf("\nQue voulez-vous faire ?\n");
	printf("\t+  addition (a+b)\n");
	printf("\t-  soustraction (a-b)\n");
	printf("\t*  multiplication (a*b)\n");
	printf("\t/  division (a/b)\n");
	printf("\tq  quitter\n");
	printf("Choix: ");
	scanf("%c", &op);
	
	printf("\nResultat: ");
	switch(op)
	{
		case '+': printf("%d+%d = %d\n",a,b,a+b);
			break;
		case '-': printf("%d-%d = %d\n",a,b,a-b);
			break;
		case '*': printf("%d*%d = %d\n",a,b,a*b);
			break;
		case '/': printf("%d/%d = %d\n",a,b,a/b);
			break;
		case 'q': printf("Au revoir\n");
			break;
		default: printf("Ce choix n'existe pas\n");
			break;
	}
}