C++ for loop - for loop in C++ with Syntax , Flowchart and Example

 

for loop:

• The for loop generally executes a statement or block of statements a predetermined number of times by the counter.
• Statement can be a single statement or a compound (block) statement.
• for is reserved word
• You specify how a for loop operates using three expressions separated by semicolons between parentheses following the for keyword.

Syntax of for loop:

 for loop executes as follows:

1. Initial statement executes (usually initialize variable) 

2. Loop condition evaluated. If loop condition evaluates to true. 

•    Execute for loop statement 
•    Execute update statement 

3. Repeat Step 2 until loop condition evaluates to false  

Flowchart of For loop:

Example of for loop:

•  Printing 1 - 10 using for loop

    #include <iostream>

    using namespace std;

    int main(){

        int x;

        for( x=1 ; x<11 ; x++){

            cout<<x<<" " ; 

        } 

    }

Output: 

    1 2 3 4 5 6 7 8 9 10