arrays - C++ 2d Vector subscript out of range error -
currently in function, have method declares 2d vector. vector <vector<test> > path(int x, int y) //path function { vector <vector<test>> mazearray(column, vector<test>(row)); //declaring object (int = 0; < column; a++) { (int b = 0; b < row; b++) { mazearray[b][a].setx(b); mazearray[b][a].sety(a); } } } for example, when tried run function, path(10,10). the double loop works without error, if change path example, path(11,10) or path (11,13) or numbers not same both (int x , y), error vector subscript out of range present. why so? can me on this? there way fix such value type acceptable? thanks. the loop in function vector <vector<test> > path(int x, int y) //path function { vector <vector<test>> mazearray(column, vector<test>(row)); //declaring object (int = 0; < column; a++) { (int b = 0; b < row; b++) { ...