#include<bits/stdc++.h>
#define Gc() getchar() 
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;using LL=__int128;
const int N=2e5+5,M=N*4+5,K=(1<<15)+5,mod=1e9+7,Mod=mod-1;const db eps=1e-9;const int INF=2e9+7;mt19937 rnd(time(0));
int n,m,A[N];
struct Node{
	int x,y,w;
	Node operator +(const Node &B)const{
		Node C;
		if(x<B.x) C.x=x,C.w=w;
		else if(x>B.x) C.x=B.x,C.x=B.w;
		else C.x=x,C.w=w+B.w;
		C.y=INF;
		if(x^C.x) C.y=min(C.y,x);
		if(y^C.x) C.y=min(C.y,y);
		if(B.x^C.x) C.y=min(C.y,B.x);
		if(B.y^C.x) C.y=min(C.y,B.y);
		return C;
	}
};
namespace Tree{
	#define ls v<<1
	#define rs v<<1|1
	Node f[M];
	int t[M];
	int g[M][30];
	void Up(int v){
		f[v]=f[ls]+f[rs];
		for(int i=0;i<30;i++) g[v][i]=g[ls][i]+g[rs][i];
	}
	void PF(int v,int w1,int w2){
		if(w1^f[v].x) return;
		for(int i=0;i<30;i++){
			if(f[v].x>>i&1) g[v][i]-=f[v].w;
			if(w2>>i&1) g[v][i]+=f[v].w;
		} 
		f[v].x=w2;t[v]=w2;
	}
	void P(int v){
		if(~t[v]) PF(ls,t[v],f[v].x),PF(rs,t[v],f[v].x),t[v]=-1;
	}
	void BD(int l=1,int r=n,int v=1){
		t[v]=-1;
		if(l==r){
			f[v]=(Node){A[l],INF,1};
			for(int i=0;i<30;i++) if(f[v].x>>i&1) g[v][i]++;
			return;
		}
		int m=l+r>>1;BD(l,m,ls);BD(m+1,r,rs);Up(v);
	}
	void Add(int x,int y,int z,int l=1,int r=n,int v=1){
		if(f[v].x>=z) return;P(v);
		if(x<=l&&r<=y&&z<f[v].y) return PF(v,f[v].x,z);
		int m=l+r>>1;x<=m&&(Add(x,y,z,l,m,ls),0);y>m&&(Add(x,y,z,m+1,r,rs),0);Up(v);
	}
	int qry(int x,int y,int l=1,int r=n,int v=1){
		if(x<=l&&r<=y) {
			int ans=0;for(int i=0;i<30;i++) if(g[v][i]&1) ans|=1<<i;
			return ans;
		}
		int m=l+r>>1;P(v);
		return (x<=m?qry(x,y,l,m,ls):0)+(y>m?qry(x,y,m+1,r,rs):0);
	}
	int find(int x,int y,int z,int l=1,int r=n,int v=1){
		if(x<=l&&r<=y) return g[v][z];int m=l+r>>1;P(v);
		return (x<=m?find(x,y,z,l,m,ls):0)+(y>m?find(x,y,z,m+1,r,rs):0);
	}
}
void Solve(){
	int i,j;scanf("%d%d",&n,&m);
	for(i=1;i<=n;i++) scanf("%d",&A[i]);
	int k=m;Tree::BD();
	while(m--){
		int op,l,r,x;scanf("%d%d%d%d",&op,&l,&r,&x);
		if(op==1){
			Tree::Add(l,r,x);
		}else{
			int tot=x^Tree::qry(l,r);
			if(!tot){puts("0");continue;}
			// int ans=0,y=__lg(tot);for(i=l;i<=r;i++) if(A[i]>>y&1) ans++;ans+=(x>>y&1);
			int y=__lg(tot);
			printf("%d\n",(x>>y&1)+Tree::find(l,r,y));
		}
	}
}
int main(){
	int t;
	// scanf("%d",&t);
	t=1;
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}