Buggy python submission (verdict: Time Limit Exceeded):
import math

def calc_spf(n):
    num = list(range(2,n+1))
    spf = [0]*n
    
    while len(num)>0:
        p = num.pop(0)
        delta = p
        spf[p-1]=p
        p *= delta
        while p<=n:
            if p in num and spf[p-1]==0:
                spf[p-1]=delta
                num.remove(p)
            p += delta
    return spf

def get_prime(n,spf):
    if n==1:
        return {1}
    ans = []
    while n > 1:
        tmp = spf[n-1]
        ans.append(tmp)
        n //= tmp
    return set(ans)

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
b = a[:]
pgcd = True
sgcd = a[n-1]
spf = calc_spf(max(a))
b[n-1] = get_prime(a[n-1],spf)
tmp = b[n-1]
for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    b[i] = get_prime(a[i],spf)
    if pgcd and len(tmp&b[i]) >0 and tmp&b[i] !={1}:
        pgcd = False
    tmp = tmp | b[i]
if sgcd!=1:
    print('not coprime')
elif pgcd:
    print('pairwise coprime')
else:
    print('setwise coprime')

Fixed submission:
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
NUM = 1_000_005
aa = [0]*NUM
pgcd = True
sgcd = a[n-1]
aa[a[n-1]]+=1
for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    aa[a[i]]+=1

for i in range(2,NUM):
    tmp = sum(aa[i::i])
    if tmp >= 2:
        pgcd = False
        break
        
if sgcd!=1:
    print('not coprime')
elif pgcd:
    print('pairwise coprime')
else:
    print('setwise coprime')

Buggy python submission (verdict: Time Limit Exceeded):
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
pgcd = True
sgcd = a[n-1]

for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    if sgcd==1:
        break
if sgcd!=1:
    print('not coprime')
else:
    l = [a[0]]
    for i in range(1,n):
        for aa in l:
            if math.gcd(aa, a[i]) != 1:
                print('setwise coprime')
                break
        else:
            l.append(a[i])
            continue
        break
    else:
        print('pairwise coprime')

Fixed submission:
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
NUM = 1_000_005
aa = [0]*NUM
pgcd = True
sgcd = a[n-1]
aa[a[n-1]]+=1
for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    aa[a[i]]+=1

for i in range(2,NUM):
    tmp = sum(aa[i::i])
    if tmp >= 2:
        pgcd = False
        break
        
if sgcd!=1:
    print('not coprime')
elif pgcd:
    print('pairwise coprime')
else:
    print('setwise coprime')

Buggy python submission (verdict: Time Limit Exceeded):
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
pgcd = True
sgcd = a[n-1]

for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    if sgcd==1:
        break
if sgcd!=1:
    print('not coprime')
else:
    for i in range(0,n-1):
        sgcd = math.gcd(sgcd, a[i])    
        for j in range(i+1,n):
            if math.gcd(a[i], a[j]) != 1:
                print('setwise coprime')
                break
        else:
            continue
        break
    else:
        print('pairwise coprime')

Fixed submission:
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
NUM = 1_000_005
aa = [0]*NUM
pgcd = True
sgcd = a[n-1]
aa[a[n-1]]+=1
for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    aa[a[i]]+=1

for i in range(2,NUM):
    tmp = sum(aa[i::i])
    if tmp >= 2:
        pgcd = False
        break
        
if sgcd!=1:
    print('not coprime')
elif pgcd:
    print('pairwise coprime')
else:
    print('setwise coprime')

Buggy python submission (verdict: Time Limit Exceeded):
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
pgcd = True
sgcd = a[n-1]

for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
if sgcd!=1:
    print('not coprime')
else:
    for i in range(0,n-1):
        sgcd = math.gcd(sgcd, a[i])    
        for j in range(i+1,n):
            if math.gcd(a[i], a[j]) != 1:
                print('setwise coprime')
                break
        else:
            continue
        break
    else:
        print('pairwise coprime')

Fixed submission:
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
NUM = 1_000_005
aa = [0]*NUM
pgcd = True
sgcd = a[n-1]
aa[a[n-1]]+=1
for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    aa[a[i]]+=1

for i in range(2,NUM):
    tmp = sum(aa[i::i])
    if tmp >= 2:
        pgcd = False
        break
        
if sgcd!=1:
    print('not coprime')
elif pgcd:
    print('pairwise coprime')
else:
    print('setwise coprime')

Buggy python submission (verdict: Time Limit Exceeded):
import math
n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
pgcd = True
sgcd = a[n-1]

for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    for j in range(i+1,n):
        if math.gcd(a[i], a[j]) != 1:
            pgcd = False

if pgcd:
    print('pairwise coprime')
elif sgcd==1:
    print('setwise coprime')
else:
    print('not coprime')

Fixed submission:
import math

n = int(input().rstrip())
a = list(map(int,input().rstrip().split()))
NUM = 1_000_005
aa = [0]*NUM
pgcd = True
sgcd = a[n-1]
aa[a[n-1]]+=1
for i in range(0,n-1):
    sgcd = math.gcd(sgcd, a[i])
    aa[a[i]]+=1

for i in range(2,NUM):
    tmp = sum(aa[i::i])
    if tmp >= 2:
        pgcd = False
        break
        
if sgcd!=1:
    print('not coprime')
elif pgcd:
    print('pairwise coprime')
else:
    print('setwise coprime')