Buggy python submission (verdict: Runtime Error):
from math import gcd
from collections import defaultdict
def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])
    if temp!=1:
        arr.append([temp, 1])
    if arr==[]:
        arr.append([n, 1])
    return [a[0] for a in arr]

N = int(input())
A = sorted([int(i) for i in input().split()])
dict_A = defaultdict(int)
dep_flag = False
for a in A:
  dict_A[a] += 1
  if a != 1 and dict_A[a] >= 2:
    dep_flag=True
if dep_flag == False:  
  all_flag = True
  devisors = set()
  for n in range(N-1):
      if n == 0:
          g = gcd(A[n],A[n+1])
      else:
          g = gcd(A[n+1],g)
      temp = factorization(A[n])
      for t in temp:
          if t in devisors:
              all_flag=False
          else:
              devisors.add(t)
  if all_flag and g == 1:
      print('pairwise coprime')
  elif g==1:
      print('setwise coprime')
  else:
      print('not coprime')
else:
    print('not coprime')

Fixed submission:
import sys
input = sys.stdin.readline
class UnionFind():
    def __init__(self, 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
N,M = map(int,input().split())
uf = UnionFind(N)
for m in range(M):
    temp = [int(i)-1 for i in input().split()]
    uf.union(temp[0],temp[1])
print(-min(uf.parents))

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
N,M = map(int,input().split())
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())
uf = UnionFind(N)

for m in range(M):
    temp = [int(i)-1 for i in input().split()]
    uf.union(temp[0],temp[1])

group_dict = uf.all_group_members()
ans = 0
for key in group_dict.keys():
    ans = max(ans,len(group_dict[key]))
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
class UnionFind():
    def __init__(self, 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
N,M = map(int,input().split())
uf = UnionFind(N)
for m in range(M):
    temp = [int(i)-1 for i in input().split()]
    uf.union(temp[0],temp[1])
print(-min(uf.parents))

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
N,M = map(int,input().split())
AB = []
for m in range(M):
    AB.append([int(i)-1 for i in input().split()])
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())
uf = UnionFind(N)
for ab in AB:
    uf.union(ab[0],ab[1])
group_dict = uf.all_group_members()
ans = 0
for key in group_dict.keys():
    ans = max(ans,len(group_dict[key]))
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
class UnionFind():
    def __init__(self, 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
N,M = map(int,input().split())
uf = UnionFind(N)
for m in range(M):
    temp = [int(i)-1 for i in input().split()]
    uf.union(temp[0],temp[1])
print(-min(uf.parents))

Buggy python submission (verdict: Time Limit Exceeded):
N,M = map(int,input().split())
AB = []
for m in range(M):
    AB.append([int(i)-1 for i in input().split()])
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())
uf = UnionFind(N)
for ab in AB:
    uf.union(ab[0],ab[1])
group_dict = uf.all_group_members()
ans = 0
for key in group_dict.keys():
    ans = max(ans,len(group_dict[key]))
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
class UnionFind():
    def __init__(self, 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
N,M = map(int,input().split())
uf = UnionFind(N)
for m in range(M):
    temp = [int(i)-1 for i in input().split()]
    uf.union(temp[0],temp[1])
print(-min(uf.parents))

Buggy python submission (verdict: Time Limit Exceeded):
N,M = map(int,input().split())
AB = []
for m in range(M):
    AB.append([int(i)-1 for i in input().split()])
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())
uf = UnionFind(N)
for ab in AB:
    uf.union(ab[0],ab[1])
group_dict = uf.all_group_members()
ans = 0
for key in group_dict.keys():
    ans = max(ans,len(group_dict[key]))
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
class UnionFind():
    def __init__(self, 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
N,M = map(int,input().split())
uf = UnionFind(N)
for m in range(M):
    temp = [int(i)-1 for i in input().split()]
    uf.union(temp[0],temp[1])
print(-min(uf.parents))