Module a
Expand description
ยงABC 384 A - aaaadaa
refs: https://atcoder.jp/contests/abc384/tasks/abc384_a
use proconio::input;
fn main() {
input! {
_: usize, c1: char, c2: char,
s: String,
}
let mut ans = vec![];
for si in s.chars() {
if si == c1 {
ans.push(si);
} else {
ans.push(c2);
}
}
println!("{}", ans.iter().collect::<String>());
}