题解 | #进制转换#
进制转换
https://www.nowcoder.com/practice/8f3df50d2b9043208c5eed283d1d4da6
use std::io::{self, *}; fn main() { let mut s = String::new(); std::io::stdin().read_line(&mut s).unwrap(); s = s.trim().to_string(); let num = i32::from_str_radix(&s[2..], 16).unwrap(); println!("{}", num); }