https://www.nowcoder.com/discuss/395176?type=post&order=time&pos=&page=1
The first question I do Violence Act TLE framework and then add the memory space is overrun
I by 30%
The answer is
tricky way
lcm is the largest and second-largest reciprocal guarantee gcd is 1
The third title search or memory dp can do
but I have not even had time to adjust to the program no
side is not a good memory but you can press the right point increase in the storage order
which limits the right direction can not point to reduce the non-simplified diagram as a directed map
The second question intends to turn into topk do not do it the first time being no longer available disk filled pit