HDU4902 線段樹

n個數，m個操作，

1 L R X  :區間[L,R]的數同時置為X;

2 L R X  :區間[L,R]大于X的數y,置為gcd(X,y)

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.math.BigInteger;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) {
		new Task().solve();
	}
}

class Task {
	InputReader in = new InputReader(System.in);
	PrintWriter out = new PrintWriter(System.out);

	int[] val ;
	
	void build(int l , int r,  int t){
		val[t] = -1 ;
		if(l == r){
			val[t] = in.nextInt() ;
			return ; 
		}
		int m = (l + r) >> 1 ;
		build(l, m, t<<1) ;
		build(m+1, r, t<<1|1) ;
		up(t) ;
	}
	
	void up(int t){
		if(val[t<<1] == val[t<<1|1]){
			val[t] = val[t<<1] ;
		}
		else{
			val[t] = -1 ;
		}
	}
	
	void down(int t){
		if(val[t] != -1){
			val[t<<1] = val[t<<1|1] = val[t] ;
			val[t] = -1 ;
		} 
	}
	
	int gcd(int x , int y){
		return y == 0 ? x : gcd(y , x % y) ;
	}
	
	void update(int type , int L , int R , int x ,  int l , int r , int t){
		if(type == 1){
			if(L <= l && r <= R){
				val[t] = x ;
				return  ;
			}
		}
		else{
			if(L <= l && r <= R && val[t] != -1){
				if(val[t] > x){
					val[t] = gcd(val[t] , x) ;
				}
				return ; 
			}
		}
		down(t) ;
		int m = (l + r) >> 1 ;
		if(L <= m){
			update(type, L, R, x, l, m, t<<1) ;
		}
		if(R > m){
			update(type, L, R, x, m+1, r, t<<1|1) ;
		}
		up(t) ;
	}
	
	void query(int l , int r , int t){
		if(l == r){
			out.print(val[t] + " ") ;
			return ;
		}
		down(t) ;
		int m = (l + r) >> 1 ;
		query(l, m, t<<1);
		query(m+1, r, t<<1|1) ;
	}

	void solve() {
		int t = in.nextInt() ;
		while(t-- > 0){
			int n = in.nextInt() ;
			val = new int[n<<2] ;
			build(1, n, 1) ;
			int m = in.nextInt() ;
			while(m-- > 0){
				update(in.nextInt() , in.nextInt() , in.nextInt() , in.nextInt() , 1 , n , 1) ; 
			}
			query(1 , n , 1) ;
			out.println() ;
		}
 		out.flush();
	}
}

class InputReader {
	public BufferedReader reader;
	public StringTokenizer tokenizer;

	public InputReader(InputStream stream) {
		reader = new BufferedReader(new InputStreamReader(stream), 32768);
		tokenizer = new StringTokenizer("");
	} 

	private void eat(String s) {
		tokenizer = new StringTokenizer(s);
	}

	public String nextLine() {
		try {
			return reader.readLine();
		} catch (Exception e) {
			return null;
		}
	}

	public boolean hasNext() {
		while (!tokenizer.hasMoreTokens()) {
			String s = nextLine();
			if (s == null)
				return false;
			eat(s);
		}
		return true;
	}

	public String next() {
		hasNext();
		return tokenizer.nextToken();
	}

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

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

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

	public BigInteger nextBigInteger() {
		return new BigInteger(next());
	}

}