Print a rectangle in with a 2d matrix in C++

Shy Snake answered on November 24, 2022 Popularity 1/10 Helpfulness 1/10

answer Print a rectangle in with a 2d matrix in C++

Print a rectangle in with a 2d matrix in C++

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#include <stdio.h>

void rectangle_pattern( size_t n, int a[][n], size_t row, size_t col )
{
    for ( size_t i = row; i < n; ++i )
    {
        if ( i == row || i == n - 1 )
        {
            for ( size_t j = col; j < n; j++ )
            {
                printf( "%2d ", a[i][j] );
            }
        }
        else
        {
            printf( "%2d", a[i][col] );
            if ( col != n - 1 ) printf( "%*d", ( int )( 3 * ( n - col - 1 ) ), a[i][n-1] );
        }
        putchar( '\n' );
    }
}

int main(void) 
{
    enum { N = 4 };
    int a[N][N]= 
    { 
        {  1,  2,  3,  4 },
        {  5,  6,  7,  8 }, 
        {  9, 10, 11, 12 }, 
        { 13, 14, 15, 16 } 
    };

    size_t row = 0, col = 0;
    
    rectangle_pattern( N, a, row, col );
    
    putchar( '\n' );
    
    row = 0, col = 1;
    
    rectangle_pattern( N, a, row, col );
    
    putchar( '\n' );

    row = 0, col = 2;
    
    rectangle_pattern( N, a, row, col );
    
    putchar( '\n' );

    row = 0, col = 3;
    
    rectangle_pattern( N, a, row, col );
    
    putchar( '\n' );

    return 0;
}

Popularity 1/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: 2d c++ matrix

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Contributed on Nov 24 2022

Shy Snake

0 Answers Avg Quality 2/10

Print a rectangle in with a 2d matrix in C++

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