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- #![allow(unused)]
- // fn main() {
- // let k = String::from("0.01");
- // let amount = ((k.parse::<f64>().unwrap()) * 100.00).trunc() as i64;
- // println!("{}",amount);
- // }
- use std::io;
- fn main() {
- let mut input_line = String::from("1234567");
- io::stdin().read_line(&mut input_line).unwrap();
- // let n = parse_input!(input_line, i64);
- let mut res = input_line.chars()
- .map(|c| c.to_digit(10).unwrap())
- .filter(|c| c%2==0)
- .fold(0,|acc,c| acc+=1);
- // let mut res= 0;
- // for c in input_line.chars(){
- // let num = c.to_digit(10).unwrap();
- // if(num%2==0){
- // eprintln!("{}",c);
- // res += num;
- // }
- // }
- // Write an action using println!("message...");
- // To debug: eprintln!("Debug message...");
- println!("{}", res);
- }
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