2d array c++
int a[2][3]= {
{1, 2, 3},
{4, 5, 6}
};
cout << a[1][1]; // Output is 5
2d array c++
int a[2][3]= {
{1, 2, 3},
{4, 5, 6}
};
cout << a[1][1]; // Output is 5
c++ code to write 2d array
#include <iostream>
using namespace std;
int main(){
int n,m;
int a[n][m];
cin >> n >>m;
for ( int i=0; i<n; i++){
for (int j=0; j<m; j++){
cin >> a[i][j];
}
}
for ( int x=0; x<n; x++){
for (int y=0; y<m; y++){
cout << "a[" << x << "][" << y << "]: ";
cout << a[x][y] << endl;
}
}
return 0;
}
get elements of 2d array c++
void printMatrix(array<array<int, COLS>, ROWS> matrix){
for (auto row : matrix){
//auto infers that row is of type array<int, COLS>
for (auto element : row){
cout << element << ' ';
}
cout << endl;
}
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