JAVA ac代码:

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

public class Main {

	public static void main(String[] args) {
		int n=in.nextInt();
		int m=in.nextInt();
		while(m-->0) {
			int op=in.nextInt();
			if(op==1){
				int x=in.nextInt();
				out.println((n>>x)&1);//n的第x位是不是1
			}else if(op==2) {
				int l=in.nextInt(),r=in.nextInt();
				for(int i=l;i<=r;i++) {
					n=(1<<i)^n;
          //(1<<i)的异或，需要知道一个数异或0等于它本身。所以只是对该位异或1
				}
				out.println(n);
			}else if(op==3) {
				int l=in.nextInt(),r=in.nextInt();
				for(int i=l;i<=r;i++) {
					n=(1<<i)|n;
          //0|0=0;0|1=1;不改变其他位的结果
				}
				out.println(n);
			}else if(op==4) {
				int l=in.nextInt(),r=in.nextInt();
				for(int i=l;i<=r;i++) {
          //如果n的第i个位置的值是1的话
					if(((n>>i)&1)==1) {
						n=(1<<i)^n;//该位1^1=0
					}
				}out.println(n);
			}else {
				int ans=0,temp=-1;
        //pow(2,30)差不多Integer.max
				for(int i=0;i<=30;i++) {
					if(((n>>i)&1)==1) {
						temp=i;
						break;
					}
				}
				out.println(temp==-1?0:(1<<temp)&n);
			}
		}
		out.close();
	}
	
	

	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());
		}
	}
	
}