multidimensional array c 2b 2b

1// Two dimensional array
2int a[2][3]= {
3        {1, 2, 3},
4        {4, 5, 6}
5    };
6    
7    cout << a[1][1]; // Output is 5
8
9// Three dimensional array
10//[2] is elements; [3] is rows in elements; [4] is column in elemnents 
11int a[2][3][2]= {
12        //Element 0
13        { {1, 2}, 
14          {2, 3}, 
15          {4, 5} 
16            
17        },
18        
19        
20        // Element 1
21        { {6, 7}, 
22          {8, 9}, 
23          {10, 11} 
24            
25        }
26    };
27    
28    cout << a[0][1][1]; // Prints 3
29

1#include <iostream>
2using namespace std;
3int main(){
4	int n,m;
5	int a[n][m];
6	cin >> n >>m;
7	for ( int i=0; i<n; i++){
8		for (int j=0; j<m; j++){
9			cin >> a[i][j];
10		}
11	}
12	
13	for ( int x=0; x<n; x++){
14		for (int y=0; y<m; y++){
15			cout << "a[" << x << "][" << y << "]: ";
16			cout << a[x][y] << endl;
17		}
18	}
19	return 0;
20}

1#include <array>
22 #include <iostream>
33
44 using namespace std;
55
66 //remember const!
77 const int ROWS = 2;
88 const int COLS = 3;
99
1010 void printMatrix(array<array<int, COLS>, ROWS> matrix){
1111 //for each row
1212 for (int row = 0; row < matrix.size(); ++row){
1313 //for each element in the current row
1414 for (int col = 0; col < matrix[row].size(); ++col){
1515 cout << matrix[row][col] << ' ';
1616 }
1717 cout << endl;
1818 }
1919 }

1	int MyArray[2][3] = { {2, 3, 4}, {12, 13, 14} };
2
3	//visualize
4	//2, 3, 4
5	//12, 13, 14
6
7	std::cout << MyArray[0][2] << endl; // 4
8	std::cout << MyArray[1][1] << endl; // 13
9
10//First square bracket means how many rows you want in your array
11//Second squire bracket is for how many qulam you want in your array