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dynamic 2d arr in c

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Excited Eel answered on May 12, 2021 Popularity 9/10 Helpfulness 7/10

answer dynamic 2d arr in c

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dynamic 2d arr in c

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#include <stdio.h>
#include <stdlib.h>

int main(void){
    int i, j, col = 3, row = 4;

	/* create dynamic 2d arr (matrix) */
  
    int **m = (int**)malloc(col * sizeof(int)); 
    for(int i = 0; i < col ; i++){
        m[i] = (int*)malloc(row * sizeof(int));
    }
  	
  	/* after usage free it */
  
    for (int i = 0; i < row; i++){
        free(m[i]);
    }
    free(m);
}

Popularity 9/10 Helpfulness 7/10 Language c

Source: Grepper

Tags: 2d arr c dynamic

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Contributed on Jan 21 2022

Excited Eel

0 Answers Avg Quality 2/10

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2d array in c

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#include <stdio.h>
int main(){
    int scores[3][3],i,j;
    for(i=0;i<3;i++)
    {
        for(j=0;j<3;j++)
        {
            printf("a[%d][%d] = ",i,j);
            scanf("%d",&scores[i][j]);
        }
    }

printf("\n Matrix view: \n");
for (i=0;i<3;i++)
{
    for (j=0;j<3;j++){
        printf("%d\t",scores[i][j]);
    }
    printf("\n");
}
}

Popularity 10/10 Helpfulness 2/10 Language c

Source: Grepper

Tags: 2d 2

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Contributed on Jul 21 2022

Adventurous Alligator

0 Answers Avg Quality 2/10

2D Array In C

Comments(1)

// Array of size n * m, where n may not equal m
for(j = 0; j < n; j++)
{
    for(i = 0; i < m; i++)
    {  
        array[i][j] = 0;
    }
}

Popularity 10/10 Helpfulness 2/10 Language c

Source: stackoverflow.com

Tags: 2d 2

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Contributed on May 12 2021

Fragile Fly

0 Answers Avg Quality 2/10

dynamic 2d arr in c

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