Q.NO write a program for which user choose their options which has following options
1.odd or even 2.greatest of two number 3.triangle are valid or not
4. +ve or -ve 5. exit enter your option
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c,option;
while(1){
printf(" 1.odd or even");
printf("\n 2.greatest of two number");
printf("]n 3.triangle are valid or not");
printf("\n 4. +ve or -ve");
printf("\n5. exit");
printf("\n enter your option");
scanf("%d",&option);
switch(option)
{
case 1:
printf("\n enter a number");
scanf("%d",&a);
if(a%2==0)
printf("\n even number");
else
printf("odd number");
break;
case 2:
printf("\n enter two numbers");
scanf("%d %d",&a,&b);
if(a>b)
printf("\n greatest number is %d",a);
else
printf("\n greatest number is %d",b);
break;
case 3:
printf("\n triangle is valid or not");
scanf("%d %d %d",&a,&b,&c);
if(a+b+c==180)
printf("\n triangle is valid");
else
printf("\n triangle is not valid");
break;
case 4:
printf("\n +ve or -ve");
scanf("%d",&a);
if(a>0)
printf("+ve number");
else
printf("-ve number");
break;
case 5:
exit(0);
default:
printf("\n wrong option");
break;
}
}
getch();
}
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