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  1. #include <vector>
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	vector<vector<int>> a;
  7. 	a.resize(3, vector<int>(2));
  8. 	a.resize(7, vector<int>(5));
  9.  
  10. 	for (size_t i = 0; i < a.size(); ++i)
  11. 		cout << a[i].size() << endl;
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 15240KB
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Standard input is empty
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2
2
2
5
5
5
5
https://ideone.com/X95sL0
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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