Answer / rajiv

int a,b,c,d,m,t;
float x,y,j,k;
scanf("%d\n%d\n%d\n%d\n%d\n%d\n",&a,&b,&c,&d,&m,&t);
scanf("%f\n%f\n%f\n%f\n",&x,&y,&j,&k);
if((a>b && c<d)||(x>y && j<k)||(m!=t))
printf("its demo of logical operator");
else
printf("logical error is there in program");

Answer / gajendra patil

# include <stdio.h>
int main(){
int ch,n1,n2;
t: printf("\nUSE OF LOGICAL OPERATORS");
printf("\n--------------------------");
printf("\n\tMENU");
printf("\n--------------------------");
printf("\n1. OR(||)\n2. AND(&&)\n0. EXIT");
printf("\n--------------------------");
printf("\nEnter your Choice: ");
scanf("%d",&ch);
switch(ch){
case 1:
printf("\nUSE OF OR\ne.g. [ if A>0 or B>0 ]");
printf("\n======================");
printf("\nEnter value for A: ");
scanf("%d",&n1);
printf("\nEnter value for B: ");
scanf("%d",&n2);
if(n1>0 || n2>0){
printf("\nAt least one/both has value(s)\n");
}else
printf("\nBoth are empty\n");
break;

case 2:
printf("\nUSE OF AND\ne.g [ if A>0 and B>0 ]");
printf("\n======================");
printf("\nEnter value for A: ");
scanf("%d",&n1);
printf("\nEnter value for B: ");
scanf("%d",&n2);
if(n1>0 && n2>0){
printf("\nBoth has values\n");
}else
printf("\nNo value(s) for any one/both\n");
break;
default:
printf("\nInvalid choice! try again");
printf("\n===========================");
goto t;
}

return 0;
}

Answer / chauhan varsha

#include<stdio.h>
void main()
{
int a=5,b=8,c=9,d=2;
clrscr();
if((a==b)&&(a==c))
{
printf("value is same. check 3 values using logical
operator..");
}
else if((a!>b) || (a!>c))
{
printf("value of a is not grater from b & c check
using logical operator or & not...");
}
getch();
}

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