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[AtCoder]ABC-355|B - Piano 2
設問ページ
提出結果
def getIntMap():
return map(int, input().split())
def getIntList():
return list(map(int, input().split()))
def main():
n, m = getIntMap()
a = getIntList()
b = getIntList()
c = dict()
for i in a:
c[i] = 'A'
for i in b:
c[i] = 'B'
d = ''
for k in sorted(c.keys()):
d += c[k]
if d.find('AA') >= 0:
print('Yes')
else:
print('No')
if __name__ == "__main__":
main()
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