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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int re(int a)
  6. {
  7.     int b,c,d,e;
  8.     b = a % 10;
  9.     c = (a - b)/10%10;
  10.     d = (a - b - c*10)/100 % 10;
  11.     e = (a / 1000);
  12.     return b * 1000 + c * 100 + d * 10 + e; 
  13. }
  14.  
  15. int main ()
  16. {
  17.     int a;
  18.     cout << "Input number: ";
  19.     cin >> a;
  20.     cout << re(a);
  21.  
  22.  
  23. }
  24.  
Success #stdin #stdout 0s 4448KB
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stdin
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Standard input is empty
stdout
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Input number: 7702
https://ideone.com/YfLGzG
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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