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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <iterator>
  4. #include <limits>
  5. #include <sstream>
  6. #include <string>
  7. #include <vector>
  8.  
  9. using namespace std;
  10.  
  11. int main() {
  12. 	istringstream fileP{ "ConfigID\tLabel1\tLabel2\tLabel3\n1\t.3\t.3\t10.0\n2\t.2\t.2e-3\t0.1n3\t.4\t.2\t9.9" };
  13. 	string label;
  14.  
  15. 	getline(fileP, label, '\n');   
  16.  
  17.     istringstream gccNeedsThisOnASeperateLine{ label };
  18. 	const vector<string> Labels{ istream_iterator<string>{ gccNeedsThisOnASeperateLine }, istream_iterator<string>{} };
  19. 	vector<vector<double>> Parameters;
  20.  
  21. 	while(fileP.ignore(std::numeric_limits<std::streamsize>::max(), '\t')) {
  22. 	    vector<double> input(Labels.size() - 1);
  23.  
  24. 	    for(int i = 0; i < input.size() && fileP >> input[i]; ++i);
  25. 	    Parameters.push_back(input);
  26. 	}
  27.  
  28. 	copy(next(cbegin(Labels)), cend(Labels), ostream_iterator<string>(cout, "\t"));
  29.  
  30. 	cout << endl;
  31.  
  32. 	for(const auto& input : Parameters) {
  33. 		for(const auto& i : input) {
  34. 			cout << i << '\t';
  35. 		}
  36. 		cout << endl;
  37. 	}
  38. }
Success #stdin #stdout 0s 3476KB
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stdin
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Standard input is empty
stdout
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Label1	Label2	Label3	
0.3	0.3	10	
0.2	0.0002	0.1	
0.4	0.2	9.9
https://ideone.com/utYHGC
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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