Buggy python submission (verdict: Runtime Error):
import math

def eratosthenes():
    erat = [0 for _ in range(max(a)+1)]
    lim = int(math.sqrt(max(set_a)))
    for i in range(2, lim+1):
        cnt = 0
        if not erat[i]:
            for res in range(i, max(set_a)+1, i):
                if res in set_a:
                    cnt += 1
                erat[i] = i
                if cnt > 2:
                    break
        else:
            continue
        break
    return cnt


n = int(input())
a = [int(x) for x in input().split()]
set_a = set(a)

ans = eratosthenes()

if max(ans.values()) == 1 and len(set_a) == n:
    print('pairwise coprime')
else:
    res = a[0]
    for i in range(n):
        res = math.gcd(res, a[i])
    if res == 1:
        print('setwise coprime')
    else:
        print('not coprime')

Fixed submission:
import math

def eratosthenes():
    erat = [0 for _ in range(max_a+1)]
    #lim = int(math.sqrt(max_a))
    pair = True
    #for i in range(2, lim+1):
    for i in range(2, max_a+1):
        cnt = 0
        if not erat[i]:
            for res in range(i, max_a+1, i):
                if res in set_a:
                    cnt += 1
                erat[res] = i
                if cnt > 1:
                    pair = False
                    break
        if not pair:
            break
    return pair


n = int(input())
a = [int(x) for x in input().split()]
max_a = max(a)
set_a = set(a)

if eratosthenes() and len(set_a) == n - max(0, a.count(1)-1):
    print('pairwise coprime')
else:
    res = a[0]
    for i in range(n):
        res = math.gcd(res, a[i])
    if res == 1:
        print('setwise coprime')
    else:
        print('not coprime')

Buggy python submission (verdict: Runtime Error):
import math

def eratosthenes():
    cnt = dict()
    lim = int(math.sqrt(max(set_a)))
    for i in range(2, lim+1):
        for res in range(i, max(set_a)+1, i):
            if res in set_a:
                cnt[res] = cnt.get(res, 0) + 1
    return cnt


n = int(input())
a = [int(x) for x in input().split()]
set_a = set(a)

ans = eratosthenes()

if max(ans.values()) == 1 and len(set_a) == n:
    print('pairwise coprime')
else:
    res = a[0]
    for i in range(n):
        res = math.gcd(res, a[i])
    if res == 1:
        print('setwise coprime')
    else:
        print('not coprime')

Fixed submission:
import math

def eratosthenes():
    erat = [0 for _ in range(max_a+1)]
    #lim = int(math.sqrt(max_a))
    pair = True
    #for i in range(2, lim+1):
    for i in range(2, max_a+1):
        cnt = 0
        if not erat[i]:
            for res in range(i, max_a+1, i):
                if res in set_a:
                    cnt += 1
                erat[res] = i
                if cnt > 1:
                    pair = False
                    break
        if not pair:
            break
    return pair


n = int(input())
a = [int(x) for x in input().split()]
max_a = max(a)
set_a = set(a)

if eratosthenes() and len(set_a) == n - max(0, a.count(1)-1):
    print('pairwise coprime')
else:
    res = a[0]
    for i in range(n):
        res = math.gcd(res, a[i])
    if res == 1:
        print('setwise coprime')
    else:
        print('not coprime')