You can represent the matrix as a `vector<vector<int> >`

. Try something like this:

```
#include <vector>
using namespace std;
void myFunction(const vector<vector<int> >& matrix) {
// do something w/ matrix passed in...
}
int main() {
// create a 3x4 matrix initialized to all zero
const size_t rowCount = 3;
const size_t colCount = 4;
vector<vector<int> > matrix(rowCount, vector<int>(colCount, 0));
// pass matrix to a function
myFunction(matrix);
return 0;
}
```

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solved How to set a matrix as a parameter to a function