competitive_hpp/
constants.rs

1pub const ALPHABETS: [char; 26] = [
2    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
3    't', 'u', 'v', 'w', 'x', 'y', 'z',
4];
5
6pub const DIRE: [(isize, isize); 4] = [(1, 0), (0, 1), (-1, 0), (0, -1)];
7pub const DIRE8: [(isize, isize); 8] = [
8    (1, 0),
9    (1, 1),
10    (0, 1),
11    (-1, 1),
12    (-1, 0),
13    (-1, -1),
14    (0, -1),
15    (1, -1),
16];