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#include<bits/stdc++.h>
#define il __inline__ __attribute__ ((always_inline))
namespace IN{const int str=1<<20;static char in_buf[str],*in_s,*in_t;bool __=0;inline char gc(){return (in_s==in_t)&&(in_t=(in_s=in_buf)+fread(in_buf,1,str,stdin)),in_s==in_t?EOF:*in_s++;}template<typename T>inline void in(T &x){if(__)return;char c=gc();bool f=0;while(c!=EOF&&(c<'0'||c>'9'))f^=(c=='-'),c=gc();if(c==EOF){__=1;return;}x=0;while(c!=EOF&&'0'<=c&&c<='9')x=x*10+c-48,c=gc();if(c==EOF)__=1;if(f)x=-x;}template<typename T,typename ... arr>inline void in(T &x,arr & ... y){in(x),in(y...);}}using namespace IN;
namespace OUT{const char ln='\n';const int str=1<<20;static char out_buf[str],*out_s=out_buf,*out_t=out_buf+str;inline void flush(){fwrite(out_buf,1,out_s-out_buf,stdout);out_s=out_buf;}inline void pt(char c){(out_s==out_t)?(fwrite(out_s=out_buf,1,str,stdout),*out_s++=c):(*out_s++=c);}inline void out(char c){pt(c);}template<typename T>inline void out(T x){if(!x){pt('0');return;}if(x<0)pt('-'),x=-x;char a[50],t=0;while(x)a[t++]=x%10,x/= 10;while(t--)pt(a[t]+'0');}template<typename T,typename ... arr>inline void out(T x,arr & ... y){out(x),out(y...);}}using namespace OUT;
const int N=100011;
int n,m,s[N],v[N],c[2][N],f[N],st[N];
bool rev[N];
#define ls(x) c[0][x]
#define rs(x) c[1][x]
il void pu(int x){s[x]=s[ls(x)]^s[rs(x)]^v[x];}
il void pr(int x){int t=ls(x);ls(x)=rs(x);rs(x)=t;rev[x]^=1;}
il void pd(int x){
    if(rev[x]){
        if(ls(x))pr(ls(x));
        if(rs(x))pr(rs(x));
        rev[x]=0;
    }
}
il int g(int x){return rs(f[x])==x;}
il int nrt(int x){return ls(f[x])==x||rs(f[x])==x;}
il void rotate(int x){
    int y=f[x],z=f[y],l=g(x),r=!l,w=c[r][x];
    if(nrt(y))c[g(y)][z]=x;
    c[r][x]=y,c[l][y]=w;
    if(w)f[w]=y;
    f[x]=z,f[y]=x;
    pu(y),pu(x);
}
il void splay(int x){
    int z=0,y=st[++z]=x;
    while(nrt(y))st[++z]=y=f[y];
    while(z)pd(st[z--]);
    for(;nrt(x);rotate(x))if(nrt(f[x]))
        rotate(g(x)^g(f[x])?x:f[x]);
}
il void access(int x){
    for(int y=0;x;x=f[y=x])
        splay(x),rs(x)=y,pu(x);
}
il void mrt(int x){access(x),splay(x),pr(x);}
il int frt(int x){
    for(access(x),splay(x);ls(x);pd(x),x=ls(x));
    splay(x);return x;
}
il void link(int x,int y){
    mrt(x);
    if(frt(y)^x)f[x]=y;
}
il void sl(int x,int y){mrt(x),access(y),splay(y);}
il void cut(int x,int y){
    mrt(x);
    if(frt(y)==x&&f[y]==x&&!ls(y))
        f[y]=rs(x)=0,pu(x);
}
int main(){
    in(n,m);
    for(int i=1;i<=n;++i)in(v[i]);
    int opt,x,y;
    while(m--){
        in(opt,x,y);
        if(opt==0)sl(x,y),out(s[y],ln);
        if(opt==1)link(x,y);
        if(opt==2)cut(x,y);
        if(opt==3)splay(x),v[x]=y;
    }
    flush();
}
LG 3690 【模板】Link Cut Tree (动态树)
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