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  1. def getTriNum(n):
  2.     k=1
  3.     while(True):
  4.         t=k*(k+1)//2
  5.         if (t>=n):
  6.             return t
  7.         k+=1
  8.  
  9. n=int(input())
  10. print(getTriNum(n))
  11.  
Success #stdin #stdout 0.01s 27624KB
comments (?)
stdin 
9
stdout 
10
https://ideone.com/b2VfdO
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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