// Floyd's triangle is a right-angled triangular of natural numbers
package main
import "fmt"
func main() {
rows := 7
n := 1
for i := 1; i <= rows; i++ {
for j := 1; j <= i; j++ {
fmt.Print(n, " ")
n++
}
fmt.Println()
}
}
/*
run:
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27 28
*/