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 vote136 views1 answer
C++ read matttrix from text file
C++
0 vote161 views1 answer
Define unicode c++
C++
0 vote134 views2 answers
How to write String in C++
C++
267 votes158 views1 answer
Visual studio c++ compiler
C++
0 vote153 views1 answer
Tabeau pseudo dynamique sur c++
C++
0 vote135 views2 answers
C++ char it is a number
C++
0 vote154 views1 answer
Delete a node from binery search tree c++
C++
0 vote171 views1 answer
Qregexpvalidator qlineedit email address
C++
17 votes130 views2 answers
How to output to console c++
C++
0 vote145 views1 answer
Assoc-right antlr
C++