⌨️
[AtCoder]ABC-109|B - Shiritori
設問ページ
提出結果
def getInt():
return int(input())
def getStringRow(N):
return [input() for _ in range(N)]
def main():
n = getInt()
w = getStringRow(n)
r = True
if len(w) != len(set(w)):
r = False
else:
for i in range(1, n):
if w[i - 1][-1] != w[i][0]:
r = False
print('Yes' if r else 'No')
if __name__ == "__main__":
main()
Discussion