leetcode-159周赛-5233-规划兼职工作

Posted 2020-11-16 真不知道叫啥好

 

 

 

 

 

 方法：

class Solution:
    def jobScheduling(self, startTime: List[int], endTime: List[int], profit: List[int]) -> int:
        
        idx=[i for i in range(len(startTime))]
        
        idx.sort(key=lambda i:endTime[i])
        
        dp = [0 for i in range(len(startTime))]
        dp[idx[0]]=profit[idx[0]]
        for i in range(1,len(startTime)):
            l=0
            r=i-1
            
            while(l<r):
                mid = int((l+r+1)/2)
                if(endTime[idx[mid]] > startTime[idx[i]]):
                    r=mid-1
                else:
                    l=mid
            if(endTime[idx[l]]<=startTime[idx[i]]):
                dp[idx[i]]=max(dp[idx[l]]+profit[idx[i]],dp[idx[i-1]])
            else:
                dp[idx[i]]=max(profit[idx[i]],dp[idx[i-1]])
       
        return max(dp)