c ++ solution to a problem

 

 

 

43 title

#include <random>
#include <iostream>
 
int main()
{
    int a[3][4] = {
        {1,2,3,4},
        {8,6,7,7},
        {12,4,6,10}};
    for (int n = 0; n < 3; ++n) {
        for (int= m 0 ; m < . 4 ; ++ m) { 
            STD :: COUT << A [n-] [m] << '  ' << STD :: endl; 
        } 
    } 
    // int (* P) [. 4] a pointer to an array comprising four elements of
     // int * P [. 4] contains four primary elements, each element int pointer 
    for ( int (* P) [ . 4 ] = a;! = P + a . 3 ; + + P) {
         for ( int * = m * P;! = m * P + . 4 ; ++ m) { 
            
            STD :: COUT << << * m '  ' << STD :: endl; 

        } 
    } 
    //(int (& i) [4 ] a reference to an array comprising four elements 
    for ( int (& I) [ . 4 ]: A) {
         for ( int J: I) 
            STD :: COUT << << J '  ' < < STD :: endl; 
    } 
}