char_patterns_v1.c

/*

    char_patterns_v1.c


    https://codedost.com/c/number-patterns-c/

    https://www.programiz.com/c-programming/examples/pyramid-pattern

    https://www.includehelp.com/c-programs/c-program-to-print-stars-in-series-pyramid-using-looping.aspx

    https://www.faceprep.in/pattern-programs-in-c/


    You can find all my C programs at Dragan Milicev's pastebin:

    https://pastebin.com/u/dmilicev

*/


#include <stdio.h>

/*

*

* *

* * *

* * * *

*/
void left_triangle(int number_of_rows)
{
    int row, column;

    for(row=0; row<=number_of_rows; row++)
    {
        for(column=0; column<row; column++)
            printf("* ");

        printf("\n\n");     // new row
    }
}


/*

* * * *

* * *

* *

*

*/
void inverted_left_triangle(int number_of_rows)
{
    int i, j, k = 0;

    for(i = number_of_rows; i >= 1; --i)
    {
        for(j = 1; j <= i; ++j)
            printf("* ");

        printf("\n\n");
    }
}


/*

      *

    * *

  * * *

* * * *

*/
void right_triangle(int number_of_rows)
{
    int i, j, k;

    for(i=0; i<number_of_rows; i++)
    {
        for(j=number_of_rows; j>i+1; j--)
            printf("  ");

        for(k=0 ; k<=i; k++)
            printf("* ");

        printf("\n\n");
    }
}


/*

* * * *

  * * *

    * *

      *

*/
void inverted_right_triangle(int number_of_rows)
{
    int i, row, ns, nd;     // ns number of spaces, nd number of digits

    for (row=0; row<number_of_rows; row++)  // print rows one by one row
    {
        ns = 2*row;                 // calculate ns number of spaces
        nd = number_of_rows-row;    // calculate nd number of digits

        for (i=0; i<ns; i++)        // print ns spaces " "
            printf(" ");

        for (i=0; i<nd; i++)        // print nd "%d "
            printf("* ");

        printf("\n\n");             // print new row
    }
}


/*

   *

  * *

 * * *

* * * *

*/
void pyramid(int number_of_rows)
{
    int i, row, ns, nd;     // ns number of spaces, nd number of digits

    for (row=0; row<number_of_rows; row++)  // print rows one by one row
    {
        ns = number_of_rows-row-1;  // calculate ns number of spaces
        nd = row+1;                 // calculate nd number of digits

        for (i=0; i<ns; i++)        // print ns spaces " "
            printf(" ");

        for (i=0; i<nd; i++)        // print nd "%d "
            printf("* ");

        printf("\n\n");             // print new row
    }
}


/*

* * * *

 * * *

  * *

   *

*/
void inverted_pyramid(int number_of_rows)
{
    int i, row, ns, nd;     // ns number of spaces, nd number of digits

    for (row=0; row<number_of_rows; row++)  // print rows one by one row
    {
        ns = row;                       // calculate ns number of spaces
        nd = number_of_rows-row;        // calculate nd number of digits

        for (i=0; i<ns; i++)            // print ns spaces " "
            printf(" ");

        for (i=0; i<nd; i++)            // print nd "%d "
            printf("* ");

        printf("\n\n");                 // print new row
    }
}


/*

   *

  * *

 * * *

* * * *

* * * *

 * * *

  * *

   *

*/
void diamond(int number_of_rows)
{
    pyramid(number_of_rows);
    inverted_pyramid(number_of_rows);
}


int main(void)
{
    int number_of_rows = 5;

    printf("\n\t\t left_triangle() \n");
    left_triangle(number_of_rows);
    printf("\n");

    printf("\n\t\t inverted_left_triangle() \n\n");
    inverted_left_triangle(number_of_rows);
    printf("\n");

    printf("\n\t\t right_triangle() \n\n");
    right_triangle(number_of_rows);
    printf("\n");

    printf("\n\t\t inverted_right_triangle() \n\n");
    inverted_right_triangle(number_of_rows);
    printf("\n");

    printf("\n\t\t pyramid() \n\n");
    pyramid(number_of_rows);
    printf("\n");

    printf("\n\t\t inverted_pyramid() \n\n");
    inverted_pyramid(number_of_rows);
    printf("\n");

    printf("\n\t\t diamond \n\n");
    diamond(number_of_rows);
    printf("\n");


    return(0);
}