javascript 写一段代码,判断一个字符串中出现次数最多的字符串,并统计出现的次数 function test(){ var bt = document.getElementById("bt"); bt.addEventListener("click",function(){ var str = "dafdsjkfnaiesdaadsllllllkkkkk444444444444444"; var obj = []; // 存放结果集的数组…
[1]a=[8,13,11,6,26,19,24]1)请输出列表a中的奇数项2)请输出列表a中的奇数 解:1) a=[8,13,11,6,26,19,24] print a[::2] Result:>>>[8, 11, 26, 24] 2) a = [8,13,11,6,26,19,24] b = [] for item in a: if item%2 !=0: b.append(item) else: continue print b Result:>>>[13, 1…
Life Forms Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 16223 Accepted: 4763 Description You may have wondered why most extraterrestrial life forms resemble humans, differing by superficial traits such as height, colour, wrinkles, e…
select * from a where instr(a,b)>0; 用于实现B字段是A字段中的某一部分的时候,要论顺序或者要相邻的字符. 如果想要不论顺序或者不相邻的字符时,定义函数可以实现: select * from a where instr(a,b)>0; 这个只能实现B字段是A字段中的某一部分的时候. 如果想要不论顺序或者不相邻的字符时,定义函数可以实现 create or replace function checks(v_a varchar2,v_b varchar) ret…
[抄题]: Given two strings s1 and s2, write a function to return true if s2 contains the permutation of s1. In other words, one of the first string's permutations is the substring of the second string. Example 1: Input:s1 = "ab" s2 = "eidbaooo…