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

0 vote167 views1 answer
C++ delete printed characters
C++
0 vote183 views1 answer
Sort using lambda c++
C++
0 vote173 views1 answer
How many months have 31 days
C++
0 vote169 views1 answer
Calculating Function codeforces in c++
C++
4 votes167 views1 answer
Gcd of two numbers c++
C++
18 votes151 views4 answers
How to string to integer in c++
C++
0 vote176 views1 answer
Shrek c++
C++
0 vote197 views1 answer
Sort html elements in Jquery on condition
C++
-4 votes183 views2 answers
Unreal engine
C++
10 votes180 views2 answers
Ascii cpp
C++