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delete 2d dynamic array c++

Happy Hornet answered on June 12, 2020 Popularity 9/10 Helpfulness 7/10

answer delete 2d dynamic array c++

related delete specific row from dynamic 2d array c++

delete 2d dynamic array c++

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for (int i = 0; i < numRows; i++) {
    delete [] world[i];
//    world[i] = 0;  // <- don't have to do this
}
delete [] world;  // <- because they won't exist anymore after this
world = 0;

Popularity 9/10 Helpfulness 7/10 Language cpp

Source: www.cplusplus.com

Tags: 2d c++ dynamic

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Contributed on Jun 12 2020

Happy Hornet

0 Answers Avg Quality 2/10

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delete specific row from dynamic 2d array c++

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string** new_array = array;
for(int i=0; i<numRows; i++){
  new_array = new string[coloumns]
    if(i != n){ // <- if you want to delete nth row then
        new_array[i] = array[i];
    }
}
array = new_array; // <- now array excluding nth row is saved in this pointer.

Popularity 8/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: 2d c++ dynamic dynam

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Contributed on Dec 09 2021

Zany Zebra

0 Answers Avg Quality 2/10

new and delete 2D array

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// let's say we want to dynamically make int[Y][X]:
int** superevil = new int*[Y];
for(int i = 0; i < Y; ++i)
  superevil[i] = new int[X];

// now we can do this:
superevil[2][3] = 1;

// but cleanup is just as ugly as allocation:
for(int i = 0; i < Y; ++i)
  delete[] superevil[i];
delete[] superevil;

Popularity 8/10 Helpfulness 2/10 Language cpp

Source: cplusplus.com

Tags: 2d c++

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Contributed on Jun 05 2022

TheBeautiful World

0 Answers Avg Quality 2/10

delete 2d dynamic array c++

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delete 2d dynamic array c++

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delete specific row from dynamic 2d array c++

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