class UnionFind: def __init__(self, n): self.parent = list(range(n)) #親ノード self.size = [1]*n #グループの要素数 self.lazy = [0]*n def root(self, x): #root(x): xの根ノードを返す. while self.parent[x] != x: #self.parent[x] = self.parent[self.parent[x]] x = self.parent[x] return x def merge(self, x, y): #merge(x,y): xのいる組とyのいる組をまとめる x, y = self.root(x), self.root(y) if x == y: return False if self.size[x] < self.size[y]: x,y=y,x #xの要素数が大きいように self.size[x] += self.size[y] #xの要素数を更新 self.parent[y] = x #yをxにつなぐ self.lazy[y] -= self.get(x) return True def issame(self, x, y): #same(x,y): xとyが同じ組ならTrue return self.root(x) == self.root(y) def getsize(self,x): #size(x): xのいるグループの要素数を返す return self.size[self.root(x)] def add(self,x,b): self.lazy[self.root(x)] += b def get(self,x): v = 0 while self.parent[x] != x: v += self.lazy[x] x = self.parent[x] return v + self.lazy[x] # coding: utf-8 # Your code here! import sys read = sys.stdin.read readline = sys.stdin.readline n,q,*m = list(map(int,read().split())) M = iter(m) UF = UnionFind(n) for t,a,b in zip(M,M,M): if t==1: UF.merge(a-1,b-1) elif t==2: UF.add(a-1,b) else: print(UF.get(a-1)) #print(*(UF.root(i) for i in range(n))) #print(UF.lazy)