摘要： Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or minus... 阅读全文

摘要： Compare two version numbersversion1andversion2.Ifversion1>version2return 1, ifversion1 temp2) return 1;18 if(temp1 < temp2) return -1;19 ... 阅读全文

摘要： Remove all elements from a linked list of integers that have valueval.ExampleGiven:1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6,val= 6Return:1 --> 2 --> 3 --... 阅读全文