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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. using Array = vector< vector< string > >;
  6.  
  7. int main() {
  8. 	int rows = 10;
  9. 	int cols = 5;
  10. 	Array arr( rows, vector<string>( cols ) );
  11. 	cout << "arr has " << arr.size() << " rows\n";
  12. 	for ( int i = 0; i < arr.size(); ++i ) {
  13. 		cout << "Row[" << i << "] has " << arr[ i ].size() << " columns\n";
  14. 	}
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 4488KB
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stdin
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Standard input is empty
stdout
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arr has 10 rows
Row[0] has 5 columns
Row[1] has 5 columns
Row[2] has 5 columns
Row[3] has 5 columns
Row[4] has 5 columns
Row[5] has 5 columns
Row[6] has 5 columns
Row[7] has 5 columns
Row[8] has 5 columns
Row[9] has 5 columns
https://ideone.com/xbaUVW
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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