Double array size c++

void enlarge(int *& array, int size) {
//                ^
// Use a reference to a pointer.

    int *dbl = new int[size*2];
    for (int i = 0; i < size; i++) {
    //                  ^
    // Iterate up to size, not size*2.
        dbl[i] = array[i];
    }
    delete[] array;
    //    ^
    // Use delete[], not delete.
    array = dbl;
}

Source: stackoverflow.com

Similar codes

2 votes207 views2 answers
Decltype in c++
C++
-5 votes215 views1 answer
Convert char or string to int or double
C++
0 vote194 views1 answer
Cube mapping sdl
C++
19 votes199 views2 answers
C++ file .
C++
0 vote189 views7 answers
Online compiler to calculator time complexity
C++
22 votes224 views4 answers
Getline cpp
C++
0 vote152 views1 answer
1ll
C++
1 vote185 views3 answers
C++ if example
C++
0 vote270 views5 answers
Return tuple or null
C++
3 votes206 views1 answer
C++ string initialization
C++