Compilare: warning: value assigned to `n` is never read --> main.rs:18:13 | 18 | let mut n = 0usize; | ^ | = note: `#[warn(unused_assignments)]` on by default = help: maybe it is overwritten before being read? warning: fields `i_sp_min` and `j` are never read --> main.rs:8:5 | 7 | struct Solution { | -------- fields in this struct 8 | i_sp_min: usize, | ^^^^^^^^ 9 | j: usize, | ^ | = note: `#[warn(dead_code)]` on by default warning: 2 warnings emitted