C Program to display half-pyramid using numbers

Published on December 23, 2016 by abundantcode

Filed under C

Last modified December 23, 2016

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Write a program in C to print  half-pyramid using numbers as shown.The program should take the number of rows as input.

1 2
1 2 3
1 2 3 4

How to create and display half-pyramid pattern in C using numbers?

#include <stdio.h>
int main()
    int index1, index2, n;
    printf("Abundantcode.com Coding samples\n");
    printf("Enter the No. of rows:");

    for(index1=1; index1<=n; ++index1)
        for(index2=1; index2<=index1; ++index2)
            printf("%d ",index2);
    return 0;


Abundantcode.com Coding samples

Enter the No. of rows:4


1 2

1 2 3

1 2 3 4

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