river/example/rust/1001/main.rs
2020-11-05 16:29:22 +08:00

16 lines
328 B
Rust

use std::io;
fn main() {
let mut input = String::new();
io::stdin().read_line(&mut input).expect("correct input");
let res = input
.trim()
.split(' ')
.map(|a| a.parse::<i32>())
.map(|a| a.expect("parsed integer"))
.fold(0i32, |sum, a| sum + a);
println!("{}", res);
}