Buggy python submission (verdict: Runtime Error):
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

if not D[0] != 0:
    ans = 1
    for i in range(int(max(D))):
        ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1]
        if ans >= 998244353:
            ans = ans % 998244353
else:
    ans = 0

print(ans)

Fixed submission:
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

# l = []
# for i in range(int(max(D))):
#     if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]
#     l.append()

if (D[0] == 0) and (D_dict_sorted[0][1] == 1) :
    ans = 1
    for i in range(len(D_dict_sorted)-1):
        if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]:
            ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1]
            if ans >= 998244353:
                ans = ans % 998244353
        else:
            ans = 0
else:
    ans = 0

print(ans)

Buggy python submission (verdict: Runtime Error):
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

if not D[0] != 0:
    ans = 1
    for i in range(int(max(D))):
        ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1] % 998244353
else:
    ans = 0

print(ans)

Fixed submission:
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

# l = []
# for i in range(int(max(D))):
#     if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]
#     l.append()

if (D[0] == 0) and (D_dict_sorted[0][1] == 1) :
    ans = 1
    for i in range(len(D_dict_sorted)-1):
        if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]:
            ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1]
            if ans >= 998244353:
                ans = ans % 998244353
        else:
            ans = 0
else:
    ans = 0

print(ans)

Buggy python submission (verdict: Runtime Error):
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

if not D[0] != 0:
    ans = 1
    for i in range(int(max(D))):
        ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1]
else:
    ans = 0

print(ans % 998244353)

Fixed submission:
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

# l = []
# for i in range(int(max(D))):
#     if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]
#     l.append()

if (D[0] == 0) and (D_dict_sorted[0][1] == 1) :
    ans = 1
    for i in range(len(D_dict_sorted)-1):
        if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]:
            ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1]
            if ans >= 998244353:
                ans = ans % 998244353
        else:
            ans = 0
else:
    ans = 0

print(ans)

Buggy python submission (verdict: Runtime Error):
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

if not D[0] != 0:
    ans = 1
    for i in range(int(max(D))):
        ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1]
else:
    ans = 0

print(ans)

Fixed submission:
import collections
import operator

N = int(input())
D = list(map(int, input().split()))

D_dict = collections.Counter(D)
D_dict_sorted = sorted(D_dict.items(), key=operator.itemgetter(0))

# l = []
# for i in range(int(max(D))):
#     if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]
#     l.append()

if (D[0] == 0) and (D_dict_sorted[0][1] == 1) :
    ans = 1
    for i in range(len(D_dict_sorted)-1):
        if D_dict_sorted[i][0] + 1 == D_dict_sorted[i+1][0]:
            ans *= D_dict_sorted[i][1] ** D_dict_sorted[i+1][1]
            if ans >= 998244353:
                ans = ans % 998244353
        else:
            ans = 0
else:
    ans = 0

print(ans)