if else statement

The syntax of the if else is as follows:

if(expression){ 
  /* statement1 */ 
}else{
  /* statement2 */ 
}

The if else statement is a two way branch: it means do one thing or the other.It used to test a condition, if condition is true then statement1 executed. If the condition is false then statement2 executed.

#include
#include
void main(){
  int m;
  clrscr();
  scanf("Enter a number = %d",m);
  if(m > 0){
    printf("That number is positive");
  }else{
    printf("That number is negative or zero");  
  }
 getch();
}

Output

Enter a number = -1
That number is negative or zero