Can someone help me I dont understand [0][2]

Answer 1

arrays are zero based meaning they begin with 0 instead of 1. goto your lessons and look for array and goto the bottom itll explain.

Answer 2

this means the element of1 row and 3 column in array

Answer 3

Imagine this:
[ ][ ][x][ ][ ][ ][ ][ ][ ][ ][ ][ ]...
[ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ]...
[ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ]...
[ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ]...
[ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ]...

[0][2] is the x. It's a matrix. The first integer is the lines and the other is the columns.

Answer 4

it is a two dimensional array where subscripts [][] denoting rows and columns so [0][2] means 0 row's 2 element something like
[0]=[0][1][2] here third one that is two is your element

Answer 5

I understand except idk where 42 came from

Answer 6

42 is its value and 2 as its index

Answer 7

Two indexes [] [] indicate multidimensional arrays

Answer 8

int res=0;
f o r (int el : arr)
res + = e l

Answer 9

Can someone help me i dont understand [1][0]