Submission #6904865

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Source Code Expand

import java.io.*;
import java.util.*;

class Main {
    static Scanner scanner = new Scanner();

    public static void main(String[]$) throws IOException {
        char[] s = scanner.next().toCharArray();
        StringBuilder ans = new StringBuilder();
        char last = 0;
        int count = 0;
        for (char ch : s) {
            if (last != ch) {
                if (count > 0) {
                    ans.append(last).append(count);
                    count = 0;
                }
                last = ch;
            }
            count++;
        }
        ans.append(last).append(count);
        System.out.println(ans);
    }

    static class Scanner {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in), 32768);
        StringTokenizer tokenizer;

        String next() throws IOException {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                tokenizer = new StringTokenizer(reader.readLine());
            }
            return tokenizer.nextToken();
        }

        int nextInt() throws IOException {
            return Integer.parseInt(next());
        }

        long nextLong() throws IOException {
            return Long.parseLong(next());
        }

        double nextDouble() throws IOException {
            return Double.parseDouble(next());
        }
    }
}

Submission Info

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