answer/number_3.c at master · rixhkai/answer · GitHub

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#include <stdio.h>

int main()
{
    int i, j, rows;
    int stars, spaces;

    printf("Enter rows to print : ");
    scanf("%d", &rows);


    stars = 1;
    spaces = rows - 1;

    /* Iterate through rows */
    for(i=1; i<rows*2; i++)
    {
        /* Print spaces */
        for(j=1; j<=spaces; j++)
            printf("=");

        /* Print stars */
        for(j=1; j<stars*2; j++)
            printf("@");

        for(j=1; j<=spaces; j++)
            printf("=");
        /* Move to next line */
        printf("\n");

        if(i<rows)
        {
            spaces--;
            stars++;
        }
        else
        {
            spaces++;
            stars--;
        }
    }

    return 0;
}