Buggy python submission (verdict: Runtime Error):
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,n+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.sama(a,b)==True:
        block_count[i]+=1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]==uf.size(i)-len(friend[i])-block_count[i]-1

print(answer)


Fixed submission:
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,m+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    friend[b].append(a)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.same(a,b)==True:
        block_count[a]+=1
        block_count[b] += 1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]=uf.size(i)-len(friend[i])-block_count[i]-1
    #print(uf.size(i))

print(" ".join(map(str,answer)))
#print(friend)
#print(uf)
#print(block_count)

Buggy python submission (verdict: Runtime Error):
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,n+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.sama(a,b)==True:
        block_count[i]+=1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]==uf.size(i)-len(friend[i])-block_count[i]-1

print(" ".join(map(str, answer)))

Fixed submission:
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,m+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    friend[b].append(a)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.same(a,b)==True:
        block_count[a]+=1
        block_count[b] += 1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]=uf.size(i)-len(friend[i])-block_count[i]-1
    #print(uf.size(i))

print(" ".join(map(str,answer)))
#print(friend)
#print(uf)
#print(block_count)

Buggy python submission (verdict: Runtime Error):
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,n+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.sama(a,b)==True:
        block_count[i]+=1

answer=[0]*(n+1)
for i in range(1,n+1):
    answer[i]==uf.size(i)-len(friend[i])-block_count[i]-1

print(" ".join(map(str, answer)))

Fixed submission:
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,m+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    friend[b].append(a)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.same(a,b)==True:
        block_count[a]+=1
        block_count[b] += 1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]=uf.size(i)-len(friend[i])-block_count[i]-1
    #print(uf.size(i))

print(" ".join(map(str,answer)))
#print(friend)
#print(uf)
#print(block_count)

Buggy python submission (verdict: Runtime Error):
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,n+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.sama(a,b)==True:
        block_count[i]+=1

answer=[0]*(n+1)
for i in range(1,n+1):
    answer[i]==uf.size(i)-len(friend[i])-block_count[i]-1

print(" ".join(map(str, answer)))

Fixed submission:
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,m+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    friend[b].append(a)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.same(a,b)==True:
        block_count[a]+=1
        block_count[b] += 1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]=uf.size(i)-len(friend[i])-block_count[i]-1
    #print(uf.size(i))

print(" ".join(map(str,answer)))
#print(friend)
#print(uf)
#print(block_count)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque
n,m,k=map(int,input().split())
flag=[0]*(n+1)
friend=[[] for i in range(n+1)]
block=[[] for i in range(n+1)]
for i in range(m):
    a,b=map(int, input().split())
    friend[a].append(b)
    friend[b].append(a)

for i in range(k):
    a, b = map(int, input().split())
    block[a].append(b)
    block[b].append(a)

d=deque()
m=1
for i in range(1,n+1):
    if flag[i]==0:
        d.append(i)
        flag[i]=m
        while len(d)>0:
            a=d.popleft()
            for j in range(len(friend[a])):
                if flag[friend[a][j]]!=m:
                    flag[friend[a][j]]=m
                    d.append(friend[a][j])
        m+=1
#print(flag)
#print(friend)
#print(block)
answer=[0]*n
for i in range(1,n+1):
    a=sum(x==flag[i] for x in flag)
    b=len(friend[i])+1
    c=0
    for x in range(1,n+1):
        if flag[x]==flag[i] and (x in block[i]):
            c+=1
    #print(a,b,c)
    answer[i-1]=a-b-c

print(" ".join(map(str, answer)))

Fixed submission:
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,m+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    friend[b].append(a)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.same(a,b)==True:
        block_count[a]+=1
        block_count[b] += 1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]=uf.size(i)-len(friend[i])-block_count[i]-1
    #print(uf.size(i))

print(" ".join(map(str,answer)))
#print(friend)
#print(uf)
#print(block_count)

Buggy python submission (verdict: Runtime Error):
import networkx as nx

Fixed submission:
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,m,k=map(int, input().split())
friend=[[] for i in range(n+1)]
block_count=[0]*(n+1)
uf=UnionFind(n+1)
for i in range(1,m+1):
    a,b=map(int, input().split())
    friend[a].append(b)
    friend[b].append(a)
    uf.union(a,b)

for i in range(1,k+1):
    a,b=map(int, input().split())
    if uf.same(a,b)==True:
        block_count[a]+=1
        block_count[b] += 1

answer=[0]*(n)
for i in range(1,n+1):
    answer[i-1]=uf.size(i)-len(friend[i])-block_count[i]-1
    #print(uf.size(i))

print(" ".join(map(str,answer)))
#print(friend)
#print(uf)
#print(block_count)