What does the following program do: nested for loop - C++ Statement

C++ examples for Statement:for

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Description

What does the following program do: nested for loop

Demo Code

#include <iostream> 
using namespace std; 

int main() //  w w w .j a  v  a 2s  . c  om
{ 
    int x; // declare x 
    int y; // declare y 

   // prompt user for input 
    cout << "Enter two integers in the range 1-20: "; 
    cin >> x >> y;  // read values for x and y 

    for ( int i = 1; i <= y; ++i ) // count from 1 to y 
    { 
       for ( int j = 1; j <= x; ++j ) // count from 1 to x 
           cout << '@'; // output @ 

       cout << endl; // begin new line 
    }
}

Result


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