题解 | #小欧安排座位#

import java.io.*;
import java.util.*;
import java.math.BigInteger;

public class Main {
    static void solve() {
        int n = in.nextInt();
        String s = in.next();
        ArrayList<Integer> a = new ArrayList<>();
        ArrayList<Integer> b = new ArrayList<>();
        int x=-1,y=0;
        for(int i=1;i<=n;i++) {
            if(s.charAt(i-1)=='0') {
                a.add(i);
            }else {
                b.add(i);
            }
        }
        for(int i=1;i<=n;i++) {
            if(s.charAt(i-1)=='0') {
                x = (x+1)%a.size();
                out.print(a.get(x)+" ");
            }else{
                y = (y+1)%b.size();
                out.print(b.get(y)+" ");
            }
        }
    }

    public static void main(String[] args) {
        solve();
        out.flush();
    }

    static FastReader in = new FastReader();
    static PrintWriter out = new PrintWriter(System.out);

    static class FastReader {
        static BufferedReader br;
        static StringTokenizer st;

        FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            String str = "";
            while(st==null||!st.hasMoreElements()) {
                try {
                    str = br.readLine();
                } catch(IOException e) {
                    throw new RuntimeException(e);
                }
                st = new StringTokenizer(str);
            }
            return st.nextToken();
        }

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

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

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