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how to make a n*n 2d dynamic array in c++

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Plain Partridge answered on April 4, 2020 Popularity 10/10 Helpfulness 6/10

answer how to make a n*n 2d dynamic array in c++

related declaring 2d dynamic array c++

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how to make a n*n 2d dynamic array in c++

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int** a = new int*[rowCount];
for(int i = 0; i < rowCount; ++i)
    a[i] = new int[colCount];

Popularity 10/10 Helpfulness 6/10 Language cpp

Source: stackoverflow.com

Tags: 2d c++ dynamic

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Contributed on Apr 04 2020

Plain Partridge

0 Answers Avg Quality 2/10

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declaring 2d dynamic array c++

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int** arr = new int*[10]; // Number of Students
int i=0, j;
for (i; i<10; i++) 
	arr[i] = new int[5]; // Number of Courses
/*In line[1], you're creating an array which can store the addresses
  of 10 arrays. In line[4], you're allocating memories for the 
  array addresses you've stored in the array 'arr'. So it comes out 
  to be a 10 x 5 array. */

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: 2d 2

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Contributed on Sep 18 2020

Apalov

0 Answers Avg Quality 2/10

two dimensional dynamic array c++

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-1

int ** two_dim_array(int row_num, int col_num)
{
	int **two_dim_array=(int **)malloc(sizeof(int *)*row_num);
    int i, j;
  	for(i=0:i<row_num;i++)
    {
  		two_dim_array[i]=(int *)malloc(sizeof(int)*col_num);
      	for(j=0:j<col_num;j++)
          	two_dim_array[i][j]=0;
    }
  	return two_dim_array;
}

Popularity 9/10 Helpfulness 1/10 Language c

Source: Grepper

Tags: 2d 2

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Contributed on Apr 25 2022

LAZAROS ALEXANDRIDIS

0 Answers Avg Quality 2/10

how to make a n*n 2d dynamic array in c++

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