fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6.  
  7. vector<vector<double>> read_matrix();
  8. void print_matrix(vector<vector<double>> const& Mat);
  9.  
  10. int main() {
  11. 	vector<vector<double>> Mat1;
  12. 	vector<vector<double>> Mat2;
  13.  
  14.  
  15. 	Mat1 = read_matrix();
  16. 	print_matrix(Mat1);
  17.  
  18. /*	Mat2 = read_matrix();
  19. 	print_matrix(Mat2);*/
  20.  
  21. 	return 0;
  22. }
  23.  
  24. vector<vector<double>> read_matrix() {
  25. 	vector<vector<double>> TempMat;
  26. 	size_t row(0), col(0);
  27.  
  28. 	cout << "Matrix input :" << endl;
  29. 	cout << "  Rows count : ";
  30. 	cin >> row;
  31. 	cout << "  Columns count : ";
  32. 	cin >> col;
  33.  
  34.  
  35. 	double temp(0.0);
  36. 	for (size_t i = 0; i < row; ++i) {
  37. 		TempMat.push_back(vector<double>());		// NOT sure about this !!
  38.  
  39. 		for (size_t j = 0; j < col; ++j) {
  40. 			cout << "  [" << i+1 << "," << j+1 << "]=";
  41. 			cin >> temp;
  42. 			TempMat[i].push_back(temp);
  43. 		}
  44. 	}
  45.  
  46.  
  47. 	return TempMat;
  48. }
  49.  
  50. void print_matrix(vector<vector<double>> const& Mat) {
  51. 	for (auto row : Mat) {
  52. 		for (auto cell : row)
  53. 			cout << cell << " ";
  54.  
  55. 		cout << endl;
  56. 	}
  57. }
  58.  
Success #stdin #stdout 0s 3280KB
comments (?)
stdin
copy 
1 2 1 2 3 4
stdout
copy 
Matrix input :
  Rows count :   Columns count :   [1,1]=  [1,2]=1 2
https://ideone.com/4CNMCp
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!