Sanalista

use std::io;
use std::io::prelude::*;
 
fn main() {
    let stdin = io::stdin();
    let mut lines = stdin.lock().lines();
    let mut count = 0;
    'outer: for _ in 0..lines.next().unwrap().unwrap().parse::<i32>().unwrap() {
        let mut charcount = [0; 256];
        let l = lines.next().unwrap().unwrap();
        for b in l.bytes() {
            charcount[b as usize]+= 1;
        }
        for c in charcount.iter() {
            if c % 2 == 1 {
                continue 'outer;
            }
        }
        count+= 1;
    }
    println!("{}", count);
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED