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  1. #include <iostream>
  2. #include <fstream>
  3. #include <sstream>
  4. #include <string>
  5. #include <vector>
  6.  
  7. int main()
  8. {
  9.     std::vector<std::vector<int> > distances;
  10.     //std::ifstream MyFile ("file.csv");
  11.     std::istream &MyFile (std::cin);
  12.     //if(MyFile.is_open())
  13.     {
  14.         std::string line;
  15.         while(std::getline(MyFile, line))
  16.         {
  17.             std::istringstream row (line);
  18.             distances.push_back(std::vector<int>());
  19.             std::string cell;
  20.             while(std::getline(row, cell, ','))
  21.             {
  22.                 int dist;
  23.                 std::istringstream(cell) >> dist;
  24.                 distances.back().push_back(dist);
  25.             }
  26.         }
  27.     }
  28.  
  29.     for(std::size_t i = 0; i < distances.size(); ++i)
  30.     {
  31.         for(std::size_t j = 0; j < distances[i].size(); ++j)
  32.         {
  33.             std::cout << distances[i][j] << ' ' << std::flush;
  34.         }
  35.         std::cout << std::endl;
  36.     }
  37. }
Success #stdin #stdout 0s 2996KB
comments (?)
stdin
copy 
0,1,2,3,4
4,3,2,1,0
9,8,7,6,5
5,6,7,8,9
stdout
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0 1 2 3 4 
4 3 2 1 0 
9 8 7 6 5 
5 6 7 8 9
https://ideone.com/DxvHtj
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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