leshow

pub fn diff_ways_to_compute(input: String) -> Vec<i32> {
    let chars: Vec<char> = input.chars().collect::<Vec<_>>();
    parse(&chars).into_iter().map(|tree| tree.eval()).collect()
}

fn parse(input: &[char]) -> Vec<AST> {
    let mut res = vec![];
    if input.is_empty() {
        return res;
    }

leshow

#[allow(unused_imports)]
use std::cmp::{min,max};
use std::io::{BufWriter, stdin, stdout, Write};
 
#[derive(Default)]
struct Scanner {
    buffer: Vec<String>
}
impl Scanner {
    fn next<T: std::str::FromStr>(&mut self) -> T {

leshow

#![no_std]
#![no_main]

// pick a panicking behavior
extern crate panic_halt; // you can put a breakpoint on `rust_begin_unwind` to catch panics
                         // extern crate panic_abort; // requires nightly
                         // extern crate panic_itm; // logs messages over ITM; requires ITM support
                         // extern crate panic_semihosting; // logs messages to the host stderr; requires a debugger

use cortex_m_rt::{entry, exception, ExceptionFrame};

leshow

///  ```bash
///  cargo run --release
///  # in another term
///  flame -p 9953
///  # in another term
///  flame -p 9953
///  ```


use std::sync::atomic::{AtomicUsize, Ordering};