比赛 |
9.6 |
评测结果 |
AAAAAAAAAA |
题目名称 |
平凡的测试数据 |
最终得分 |
100 |
用户昵称 |
┭┮﹏┭┮ |
运行时间 |
0.532 s |
代码语言 |
C++ |
内存使用 |
4.48 MiB |
提交时间 |
2024-09-06 19:59:07 |
显示代码纯文本
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define fi first
#define in inline
#define se second
#define mp make_pair
#define pb push_back
const int N = 3e5+10;
ll read(){
ll x = 0,f = 1;char c = getchar();
for(;c < '0' || c > '9';c = getchar())if(c == '-')f = -1;
for(;c >= '0' && c <= '9';c = getchar())x = (x<<1) + (x<<3) + c-'0';
return x * f;
}
int n,m;
int a[N];
struct DSU{
int fa[N],s[N];
void build(){for(int i = 1;i <= n;i++)fa[i] = i,s[i] = a[i];}
int find(int x){
if(x == fa[x])return fa[x];
int f = fa[x];
fa[x] = find(fa[x]);
s[x] ^= s[f] ^ a[f];
return fa[x];
}
void merge(int x,int y){
int yy = find(y);
if(x == yy)return;
fa[x] = y,s[x] = a[x] ^ s[y];
}
}U;
int main(){
freopen("td.in","r",stdin);
freopen("td.out","w",stdout);
n = read(),m = read();
for(int i = 1;i <= n;i++)a[i] = read();
U.build();
for(int i = 1;i <= m;i++){
int op = read(),x = read(),y = 0;
if(op == 1){
y = read();
U.merge(x,y);
}
else U.find(x),printf("%d\n",U.s[x]);
}
return 0;
}