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Looping through a multidimensional array in C#

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Misty Mockingbird answered on February 10, 2021 Popularity 6/10 Helpfulness 1/10

answer Looping through a multidimensional array in C#

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Looping through a multidimensional array in C#

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class ArrayClass2D
{
    static void Print2DArray(int[,] arr)
    {
        // Display the array elements.
        for (int i = 0; i < arr.GetLength(0); i++)
        {
            for (int j = 0; j < arr.GetLength(1); j++)
            {
                System.Console.WriteLine("Element({0},{1})={2}", i, j, arr[i, j]);
            }
        }
    }
    static void Main()
    {
        // Pass the array as an argument.
        Print2DArray(new int[,] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } });

        // Keep the console window open in debug mode.
        System.Console.WriteLine("Press any key to exit.");
        System.Console.ReadKey();
    }
}
/* Output:
    Element(0,0)=1
    Element(0,1)=2
    Element(1,0)=3
    Element(1,1)=4
    Element(2,0)=5
    Element(2,1)=6
    Element(3,0)=7
    Element(3,1)=8
*/

Popularity 6/10 Helpfulness 1/10 Language csharp

Source: learn.microsoft.com

Tags: c# multidimensional-array

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Contributed on Jun 23 2023

Misty Mockingbird

0 Answers Avg Quality 2/10

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loop through multidimensional array c#

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for (int x = 0; x < YourArray.GetLength(0); x++)
{
    for (int y = 0; y < YourArray.GetLength(1); y++)
    {
        Console.WriteLine(YourArray[x, y]);
    }
}

Popularity 10/10 Helpfulness 8/10 Language csharp

Source: Grepper

Tags: c# c

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Contributed on Feb 10 2021

Rubahn Die U-Bahn

0 Answers Avg Quality 2/10

iterate 2d array in c#

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If you want to iterate over every item in the array as if it were a flattened array, you can just do:

foreach (int i in array) {
    Console.Write(i);
}
which would print 123456

If you want to be able to know the x and y indexes as well, you'll need to do:

for (int x = 0; x < array.GetLength(0); x += 1) {
    for (int y = 0; y < array.GetLength(1); y += 1) {
        Console.Write(array[x, y]);
    }
}
Alternatively you could use a jagged array instead (an array of arrays):

int[][] array = new int[2][] { new int[3] {1, 2, 3}, new int[3] {4, 5, 6} };
foreach (int[] subArray in array) {
    foreach (int i in subArray) {
        Console.Write(i);
    }
}
or

int[][] array = new int[2][] { new int[3] {1, 2, 3}, new int[3] {4, 5, 6} };
for (int j = 0; j < array.Length; j += 1) {
    for (int k = 0; k < array[j].Length; k += 1) {
        Console.Write(array[j][k]);
    }
}

Popularity 9/10 Helpfulness 4/10 Language csharp

Source: stackoverflow.com

Tags: 2d c# c

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Contributed on Sep 03 2022

MoonBeam5072

0 Answers Avg Quality 2/10

how to loop through two arrays in c#

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static IEnumerable<KeyValuePair<T, U>> Zip<T, U>(IEnumerable<T> first, IEnumerable<U> second)
{
    IEnumerator<T> firstEnumerator = first.GetEnumerator();
    IEnumerator<U> secondEnumerator = second.GetEnumerator();

    while (firstEnumerator.MoveNext())
    {
        if (secondEnumerator.MoveNext())
        {
            yield return new KeyValuePair<T, U>(firstEnumerator.Current, secondEnumerator.Current);
        }
        else
        {
            yield return new KeyValuePair<T, U>(firstEnumerator.Current, default(U));
        }
    }
    while (secondEnumerator.MoveNext())
    {
        yield return new KeyValuePair<T, U>(default(T), secondEnumerator.Current);
    }
}

static void Test()
{
    IList<string> names = new string[] { "one", "two", "three" };
    IList<int> ids = new int[] { 1, 2, 3, 4 };

    foreach (KeyValuePair<string, int> keyValuePair in ParallelEnumerate(names, ids))
    {
        Console.WriteLine(keyValuePair.Key ?? "<null>" + " - " + keyValuePair.Value.ToString());
    }
}

Popularity 6/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: arrays c# c++

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Contributed on Nov 24 2022

Teagan Collyer

0 Answers Avg Quality 2/10

Looping through a multidimensional array in C#

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