Floyd’s Triangle Program in C with explanation

floyd triangle pattern program in c

In this tutorial we will learn how to write floyd’s triangle program in C.

But before moving on writing program lets know

Floyd’s triangle is a right angled triangle, which is made using natural numbers. It is named on Rober Floyd.


Its element is left aligned in which it started filling the rows starting with 1 and then fill with consecutive numbers.

void main(){
    int i,j,k=1,n;
    printf("enter the value of n:");
    for(i = 1; i <= n; i++) {
      for(j = 1;j <= i; j++)
         printf("%4d", k++);


Floyd's Triangle Program in C

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