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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. 	vector vec;
  8. vec.resize(3);
  9. vec.reserve(10);
  10. vec.push_back(2);
  11. int a = vec.size();
  12. cout<< a;
  13. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:7:9: error: missing template arguments before ‘vec’
  vector vec;
         ^~~
prog.cpp:8:1: error: ‘vec’ was not declared in this scope
 vec.resize(3);
 ^~~
stdout
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Standard output is empty
https://ideone.com/dTx5Lu
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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