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  1. import copy, itertools
  2. numbers = list("123456789")
  3. operators = list("+-*/")
  4.  
  5. for i in range(1, 9):
  6.     for j in operators:
  7.         temp = copy.deepcopy(numbers)
  8.         temp.insert(i, j)
  9.         if eval(''.join(temp)) == 100:
  10.             print ''.join(temp) + "=100"
  11.  
  12. for i in range(1, 9):
  13.     for j in range(i+2, 10):
  14.         for k, l in itertools.product(operators, operators):
  15.             temp = copy.deepcopy(numbers)
  16.             temp.insert(i, k)
  17.             temp.insert(j, l)
  18.             if eval(''.join(temp)) == 100:
  19.                 print ''.join(temp) + "=100"
  20.  
  21. for i in range(1, 9):
  22.     for j in range(i+2, 10):
  23.         for k in range(j+2, 11):
  24.             for l, m, n in itertools.product(operators, operators, operators):
  25.                 temp = copy.deepcopy(numbers)
  26.                 temp.insert(i, l)
  27.                 temp.insert(j, m)
  28.                 temp.insert(k, n)
  29.                 if eval(''.join(temp)) == 100:
  30.                     print ''.join(temp) + "=100"
  31.  
Success #stdin #stdout 0.08s 9024KB
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Standard input is empty
stdout
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123-45-67+89=100
https://ideone.com/4fl6qo
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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