C Program Print Floyd Triangle

Floyd’s triangle is named after Rober Floyd. Floyd’s Triangle is a right angled triangle made of natural numbers.

First row contains only one number that is 1. Second row contains next to numbers, that is 2 and 3. Third row contains next 3 numbers that is 4, 5 and 6, and so on.

For rows =4 the Floyd’s Triangle

will be as follows:

1

2 3

4 5 6

7 8 9 10

/* C Program to print Floyd's Triangle if number of rows is 4 then the output is as follows 1 2 3 4 5 6 7 8 9 10 */ #include<stdio.h> int main() { int nrows, i, j, number= 1; printf("Enter number of rows for printing Floyd's Triangle: "); scanf("%d", &nrows); for (i=1; i<=nrows; i++) { for (j=1; j<=i; ++j) { printf("%d ", number); number++; } printf("\n"); } return 0; }

Output

Enter number of rows for printing Floyd’s Triangle: 5

1

2 3

4 5 6

7 8 9 10

11 12 13 14 15

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