class2.c

//1.wap to check weather a given no is positive or non non-positive
#include <stdio.h>
int main() {
  int i;
  scanf("%d", &i);
  if (i <= 0) //i>0 --positive
    printf("the no %d is non-positive", i);
  else
    printf("the no is +ve");
  return 0;
}

//2.what is the out put of this problem
#include <stdio.h>
int main() {
  if (5 > 4)
    printf("Hello");

  else
    printf("Bye");
  return 0;
}

//3.wap what is the output
#include <stdio.h>
int main() {
  if (3 != 2)
    ;
  //printf("Hello");
  else
    printf("Bye");
  return 0;
}

//4.wap to check weather a given no is odd or even
#include <stdio.h>
int main() {
  int i;
  scanf("%d", &i);
  if (i % 2 == 0) //i%2  every non zero is true and zero is false
                  //without using % operator (i/2*2==i)
                  //using bitwise operator(i&1)
    printf("even %d", i);
  else
    printf("%d is odd", i);
  return 0;
}

//5.add two no without using + operator
#include <stdio.h>
int main() {
  int a, b, c;
  scanf("%d %d", &a, &b);
  c = a - (-b);
  printf("%d is sum of a and b", c);
  return 0;
}

//6.condinational operator
#include <stdio.h>
int main() {
  int x = 24;
  if (x > 4 ? printf("A") : printf("B"))
    ;
  return 0;
}