[Challenge] How will you print the following pattern in c++?

Question

1
2 5
3 6 8
4 7 9 10
There must be a good logic in your code and it should be as short as possible.

Answer 1

for(int a=1;a<=n;a++)
for(int b=1,d=a;b<=a;d+=n-b,b++)
System.out.print(d+(b!=a?" ":"\n"));

//works for general ☺

Answer 2

https://code.sololearn.com/csT6M55b3Rws/?ref=app

Answer 3

https://code.sololearn.com/cytSurrOBD4M/?ref=app

Answer 4

https://code.sololearn.com/cCQX99RFy2Hb/?ref=app

Answer 5

https://code.sololearn.com/cZP831clM5Xb/?ref=app

Answer 6

I think identical with @ Swapnil More. I don't peep;-)