Submission #3603329

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Source Code Expand

N = int(input())
s_list = []
s_set = []

for i in range(N):
	s_list.append(list(input().split('')))

for i in s_list:
	s_set.append(set(i))

result_char = set()

for i in range(N-1):
	result_char = (s_set[i] & s_set[i+1] & result_char)

result_char = list(result_char).sort()
result = ''
for i in result_char:
	count = min(x[i] for x in s_list)
	result += i*count
print(result)

Submission Info

Judge Result