convert 2d array to 1d c++

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Rezk Sh answered on January 28, 2020 Popularity 1/10 Helpfulness 1/10

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convert 2d array to 1d c++

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#include <iostream>
using namespace std;

int main(){

    int _2D_arr[3][3] = { {1,2,3} , {4,5,6} , {7,8,9} };
    int _1D_arr[100]={1,2};

    for (int i = 0; i < 3 * 3; i++) {
        *(_1D_arr + i) = *(*_2D_arr + i);
        cout << "1D arrr[" << i << "] " << _1D_arr[i] << endl;
    }
  
}

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Source: Grepper

Tags: 2d c++

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Contributed on Aug 28 2022

Rezk Sh

0 Answers Avg Quality 2/10

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convert 2d array to 1d c++

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grid1D[row*col];
grid2D[row][col];

for(int i = 0; i < row; ++i)
    for(int j = 0; j < col; ++j)
          grid1D[i * col + j] = grid2D[i][j];

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Source: stackoverflow.com

Tags: 2d 2

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Contributed on May 03 2022

Hurt Herring

0 Answers Avg Quality 2/10

convert 2d aray into 1d using python

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import numpy as np

twoDAry = [6.4],[5.9],[5.5],[5.3],[5.1],[4.9],[4.5],[4.5],[4.5],[4.3],[4.2],[3.8],[3.5],[2.8],[2.8],[2.8]
twoDAry = np.array(twoDAry)
print(twoDAry.reshape(1, -1)[0])

# Output
# [6.4 5.9 5.5 5.3 5.1 4.9 4.5 4.5 4.5 4.3 4.2 3.8 3.5 2.8 2.8 2.8]

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Source: Grepper

Tags: 2d 2

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Contributed on Feb 09 2022

Red Team

0 Answers Avg Quality 2/10

convert 2d array to 1d

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# Python code to demonstrate
# flattening a 2d numpy array
# into 1d array
  
import numpy as np
  
ini_array1 = np.array([[1, 2, 3], [2, 4, 5], [1, 2, 3]])
  
# printing initial arrays
print("initial array", str(ini_array1))
  
# Multiplying arrays
result = ini_array1.flatten()
  
# printing result
print("New resulting array: ", result)

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Source: www.geeksforgeeks.org

Tags: 2d python py

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Contributed on Oct 20 2022

muqeet ullah

0 Answers Avg Quality 2/10

array 2d to 1d

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 int array[width * height];

 int SetElement(int row, int col, int value)
 {
    array[width * row + col] = value;  
 }

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Source: stackoverflow.com

Tags: 2d 2

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Contributed on Jan 28 2020

Spotless Snake

0 Answers Avg Quality 2/10

convert 2d array to 1d c++

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