Snake format matrix

Question

/*
Given integers n and m. Create an array A [n] [m] and fill it with numbers in a snake form (look at example).

Input
4 6

Output
0 1 2 3 4 5
11 10 9 8 7 6
12 13 14 15 16 17
23 22 21 20 19 18

Help !*/

#include <iostream>
using namespace std;

int main()
{
int m, n;
cin >> n >> m;
int mat[1000][1000];
//idk what i have to write here...

for (int i = 0; i < n; i++) {

if (i % 2 == 0) {
for (int j = 0; j < m; j++)
cout << mat[i][j] << " ";

}
else {
for (int j = m - 1; j >= 0; j--)
cout << mat[i][j] << " ";
}
}
}

Answer 1

You need to populate the matrix mat with the appropriate values before printing it in snake format. Check this out⤵️

https://sololearn.com/compiler-playground/cKD7wu9239yl/?ref=app