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C++ if-else

C++ if else Control Statement

if else control statement in C++ is used to control the program flow in a two-way direction. When condition returns a true value, then the program executes if condition block otherwise program executes else block.

Syntax:
if(check_condation){  
      statement;  
      ...;  
}  
else{  
     statement;  
      ...;  
}

C++ if else Example

#include <iostream>  

using namespace std;  

int main () {  

    int a=10;  

    int b=20;     

    if( a < b ) {  

     cout << "a is less than b:" << endl;  

   }  

   else{  

    cout<<"a is greater than b";  

   }  

   return 0;  

}
Output:
a is less than b

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