a diamond

This is a discussion on a diamond within the C Programming forums, part of the General Programming Boards category; We have to create a diamond that is centered on the screen using this code that creates a triangle. My ...

  1. #1
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    a diamond

    We have to create a diamond that is centered on the screen using this code that creates a triangle. My thought process has been to use 4 right triangles to create the diamond. What im stuck on is trying to make the triangle increase in the opposite direction. Is this the way to go or is there a better way? thx for any advice.


    #include<ctype.h>
    #include<stdio.h>
    #define N 33
    void repeat(char, int);

    int main(void)
    {
    char c = 'X';
    int i;
    for (i = 1;i <= N; i+=2) {
    repeat(c, i);
    putchar('\n');

    }

    }

    void repeat(char c, int how_many)
    {
    int i;

    for (i = 1; i <= how_many; ++i)
    putchar(c);
    }

  2. #2
    and the hat of int overfl Salem's Avatar
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    > for (i = 1;i <= N; i+=2) {
    Perhaps
    for (i = N;i >= 1; i-=2) {
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
    I support http://www.ukip.org/ as the first necessary step to a free Europe.

  3. #3
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    > for (i = 1;i <= N; i+=2) {
    Perhaps
    for (i = N;i >= 1; i-=2) {

    right, but im stuck on trying to get the triangles to go in the opposite direction so as to complete the diamond. so far i have the right half but how could i mirror this?
    Last edited by wagman; 10-04-2001 at 04:24 PM.

  4. #4
    and the hat of int overfl Salem's Avatar
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    Start by printing N-i spaces on a line, followed by i 'X's
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
    I support http://www.ukip.org/ as the first necessary step to a free Europe.

  5. #5
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    I don't understand what you mean by
    N-i spaces on a line" ?

  6. #6
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    Talking

    nm..got it

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