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- #include<stdio.h>
- void sign(float a);
- void even(int b);
- void max(int num1, int num2);
- void n(unsigned num3);
- void doul(int num4);
- void how_many_time(int num5);
- void sum (int num6);
- void main()
- {
- int option=1 ,num1 ,num2;
- while(option !=0)
- {
- printf("enter a option\n");
- scanf("%d" , &option);
- switch(option)
- {
- float a;
- int b ,num1 ,num2 ,num4 ,num5 ,num6;
- unsigned num3;
- case 0:
- printf("bey bey\n");
- break;
- case 1:
- sign(a);
- break;
- case 2:
- even(b);
- break;
- case 3:
- max(num1 , num2);
- break;
- case 4:
- n(num3);
- break;
- }
- }
- }
- void sign(float a)
- {
- printf("enter a float number\n");
- scanf("%f" , &a);
- if(a > 0)
- {
- printf("1\n");
- }
- else if(a < 0)
- {
- printf("-1\n");
- }
- else if(a == 0)
- {
- printf("0\n");
- }
- }
- void even(int b)
- {
- printf("enter a integer num\n");
- scanf("%d" , &b);
- if(b%2 == 0)
- {
- printf("0\n");
- }
- else//b%2 !=0
- {
- printf("1\n");
- }
- }
- void max(int num1 , int num2)
- {
- printf("enter two integer numbers\n");
- scanf("%d %d" , &num1 ,&num2);
- if(num1 < num2)
- {
- printf("%d\n" , num2);
- }
- else//num1 > num2
- {
- printf("%d\n" , num1);
- }
- }
- void n(unsigned num3)
- {
- int multy , i;
- printf(" enter a unsigned \n");
- scanf("%d" , &num3);
- for(i=1; num3 <= i; i++)
- multy = num3*i;
- return multy;
- }
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