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  1. #include <string>
  2. #include <sstream>
  3. #include <iostream>
  4.  
  5. using std::string;
  6. using std::stringstream;
  7.  
  8. class Problem {
  9. public:
  10.     static string indexB(int i, int j, int k);
  11. };
  12.  
  13. string Problem::indexB(int i, int j, int k){
  14.  
  15.     stringstream ss;
  16.  
  17.     if(i < 10)
  18.         ss << "00";
  19.     else if(i<100)
  20.         ss << "0";
  21.     ss << i;
  22.  
  23.     if(j < 10)
  24.         ss << "00";
  25.     else if(j<100)
  26.         ss << "0";
  27.     ss << j;
  28.  
  29.     if(k < 10)
  30.         ss << "00";
  31.     else if(k<100)
  32.         ss << "0";
  33.     ss << k;
  34.  
  35.     return ss.str();
  36. }
  37.  
  38. int main() {
  39.     std::cout << Problem::indexB(1, 2, 3) << "\n";
  40.     std::cout << Problem::indexB(400, 50, 6) << "\n";
  41.     std::cout << Problem::indexB(987, 65, 432) << std::endl;
  42. }
Success #stdin #stdout 0s 2988KB
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stdin
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Standard input is empty
stdout
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001002003
400050006
987065432
https://ideone.com/lNOfFZ
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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