⌨️
[AtCoder]ABC-317|B - MissingNo.
設問ページ
提出結果
def getInt():
return int(input())
def getIntList():
return list(map(int, input().split()))
def main():
n = getInt()
a = getIntList()
a.sort()
for i in range(n - 1):
if a[i + 1] - a[i] == 1:
continue
print(a[i] + 1)
break
if __name__ == "__main__":
main()
Discussion