[Codeforces] 520A - Pangram (Java)

https://codeforces.com/problemset/problem/520/A

Solution

import org.w3c.dom.ls.LSOutput;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Solution {
    static void printYesOrNo(String input) {
        int count = 0;
        for (char ch = 'a'; ch <= 'z'; ch++) {
            if (input.toLowerCase().contains(String.valueOf(ch))) {
                count++;
            }
        }

        if (count == 26) {
            System.out.print("YES");
        } else {
            System.out.print("NO");
        }
    }

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(br.readLine());
        String input = br.readLine();
        printYesOrNo(input);
        br.close();
    }
}