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  1. ans=[]
  2. ia=[]
  3. ib=[]
  4. for q in range(4):
  5.     i, j = map(int, input().split())
  6.     if(i > j and i>0 and i<100000 and j>0 and j<100000):
  7.         t=i
  8.         i=j
  9.         j=t
  10.  
  11.     ia.append(i)
  12.     ib.append(j)
  13.  
  14.     m = 0
  15.  
  16.     for n in range(i,j+1):
  17.        count = []
  18.        count.append(n)
  19.        while n != 1:
  20.           if n == 1:
  21.              break
  22.           elif n % 2 == 1:
  23.              n = n*3+1
  24.              count.append(n)
  25.  
  26.           elif n % 2 == 0:
  27.              n = n/2
  28.              count.append(n)
  29.  
  30.        if len(count) > m:
  31.           m = len(count)
  32.     ans.append(m)
  33. for tt in range(4):
  34.     print(ia[tt],ib[tt],ans[tt])
  35.     #print(ans.pop())
  36.     #for tt in range(3):
  37.         #p
Success #stdin #stdout 0.02s 27704KB
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stdin
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1 10
100 200
201 210
900 1000
stdout
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1 10 20
100 200 125
201 210 89
900 1000 174
https://ideone.com/1UNYkm
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
public

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