#include <stdio.h>

int main()
{

int vetor[][3] = {1,2,3,4,5,6,7,8,9,10,11,12};

int valor= *(vetor[1]+1)+**(vetor+3);
printf("%d",valor);

}

#include <stdio.h>

int main() {
    int vetor[4][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12}};
    printf("%d", vetor[1][0] + 1 + vetor[3][0]);
}