Resize method in c++ for arrays

void resize() {
    size_t newSize = size * 2;
    int* newArr = new int[newSize];

    memcpy( newArr, arr, size * sizeof(int) );

    size = newSize;
    delete [] arr;
    arr = newArr;
}

Source: cplusplus.com

Similar codes

1 vote124 views1 answer
Merge images opencv c++
C++
11 votes114 views2 answers
C++ main function
C++
0 vote118 views1 answer
How to use mersenne_twister_engine in c++ to generate random numbers
C++
2 votes84 views1 answer
Read int from file c++
C++
0 vote119 views1 answer
All usefull stls in cpp imports
C++
1 vote121 views1 answer
C++ remove n characters from string
C++
0 vote138 views2 answers
What are manipulators in c++
C++
0 vote121 views1 answer
How to take full sentence in c++
C++
1 vote123 views1 answer
Qtextedit no line break
C++
0 vote120 views1 answer
Vector of vector definaion in c++
C++