fork(1) download
  1. n = int(input())
  2. c = 1
  3.  
  4. for i in range(1, n + 1):
  5. for j in range(i):
  6. print(c, end="*")
  7. c += 1
  8. print()
  9.  
  10.  
  11.  
Success #stdin #stdout 0.07s 14156KB
stdin
5
stdout
1*
2*3*
4*5*6*
7*8*9*10*
11*12*13*14*15*