Dynamic 2d arr in c

#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);
}

Similar codes

1 vote134 views1 answer
C return
C
0 vote141 views1 answer
Pipe system call
C
1 vote153 views2 answers
Bash md5sum string
C
0 vote141 views1 answer
Regex to match any character being repeated more than 10 times
C
4 votes143 views3 answers
Multiplication table in c using array
C
0 vote137 views1 answer
Temperature in c programming
C
3 votes135 views1 answer
How to change an array in a function in c
C
0 vote150 views1 answer
Apt-mark remove hold
C
0 vote87 views1 answer
C program for airthmetic operators
C
0 vote138 views1 answer
C first digit of integer
C