dinâmica 2d em c arr
#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);
}
c passar dois matriz dimensional para a função de
#include <stdio.h>
const int M = 3;
const int N = 3;
void print(int arr[M][N])
{
int i, j;
for (i = 0; i < M; i++)
for (j = 0; j < N; j++)
printf("%d ", arr[i][j]);
}
int main()
{
int arr[][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
print(arr);
return 0;
}