C++ 2d vector assign value

vector<vector<int>> v;
   int val;
   int n = size(v);
   for(int i = 0; i < n; i++)
{
      vector<int> temp;
      for(int j = 0; j < n; j++){
         cin >> val;
      temp.push_back(val);
      }
      v.push_back(temp);
      temp.clear();

Similar codes

1 vote295 views1 answer
Print 5 table in c++
C++
0 vote310 views1 answer
Log base 2 in c++
C++
2 votes335 views2 answers
Resize 2d vector c++
C++
7 votes293 views2 answers
Round function in c++
C++
18 votes276 views2 answers
Stl for sorting IN C++
C++
0 vote324 views5 answers
Asd
C++
0 vote263 views1 answer
Qt make widget ignore mouse events
C++
0 vote288 views1 answer
C++ nerds
C++
1 vote344 views1 answer
Multiply two numbers <=10^18 %m in cpp
C++
0 vote282 views1 answer
How togreper
C++