Triangles

C Programming Code To Create Pyramid and Structure

Have you tried to print these triangles in C Compiler or may be you have tried but stuck at somewhere.

If you have not yet tried then try it by yourself and then look for suggestions.

Triangles

C Program To display the triangle using *, numbers and character

                                                                                                                                                                   

Write a C Program to print half pyramid as using * as shown in figure below.

*
* *
* * *
* * * *
* * * * *

#include <stdio.h>
int main()
{
    int i,j,rows;
    printf("Enter the number of rows: ");
    scanf("%d",&rows);
    for(i=1;i<=rows;++i)
    {
        for(j=1;j<=i;++j)
        {
           printf("* ");
        }
        printf("\n");
    }
    return 0;
}

Write a C Program to print half pyramid as using numbers as shown in figure below.

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

#include <stdio.h>
int main()
{
    int i,j,rows;
    printf("Enter the number of rows: ");
    scanf("%d",&rows);
    for(i=1;i<=rows;++i)
    {
        for(j=1;j<=i;++j)
        {
           printf("%d ",j);
        }
        printf("\n");
    }
    return 0;
}

Write a C Program to print triangle of characters as below

A
B B
C C C
D D D D
E E E E E

#include<stdio.h>
int main()
{
    int i,j;
    char input,temp='A';
    printf("Enter uppercase character you want in triangle at last row: ");
    scanf("%c",&input);
    for(i=1;i<=(input-'A'+1);++i)
    {
        for(j=1;j<=i;++j)
           printf("%c",temp);
        ++temp;
        printf("\n");
    }
    return 0;
}

C Program To Display inverted half pyramid using * and numbers




Write a C Program to print inverted half pyramid using * as shown below.

* * * * *
* * * *
* * * 
* *
*

#include <stdio.h>
int main()
{
    int i,j,rows;
    printf("Enter the number of rows: ");
    scanf("%d",&rows);
    for(i=rows;i>=1;--i)
    {
        for(j=1;j<=i;++j)
        {
           printf("* ");
        }
    printf("\n");
    }
    return 0;
}

1 2 3 4 5
1 2 3 4 
1 2 3
1 2
1

Write a C Program to print inverted half pyramid as using numbers as shown above.

#include <stdio.h>
int main()
{
    int i,j,rows;
    printf("Enter the number of rows: ");
    scanf("%d",&rows);
    for(i=rows;i>=1;--i)
    {
        for(j=1;j<=i;++j)
        {
           printf("%d ",j);
        }
    printf("\n");
    }
    return 0;
}