freecodecamp 初级算法地址戳这里 Reverse a String 翻转字符串 function reverseString(str) { str=str.split("").reverse().join(""); return str; } reverseString("hello") Factorialize a Number 计算一个整数的阶乘 function factorialize(num) { if(num>1){…
链接:http://poj.org/problem?id=1026 Cipher Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 21436 Accepted: 5891 Description Bob and Alice started to use a brand-new encoding scheme. Surprisingly it is not a Public Key Cryptosystem, but t…
Cipher Message Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Description Müller tried to catch Stierlitz red-handed many times, but always failed because Stierlitz could ever find some excuse. Once Stierlitz was looking…
Ancient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form to prevent eavesdropping. The most popular ciphers…
Ancient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form to prevent eavesdropping. The most popular ciphers…
freecodecamp 中级算法地址戳这里 Sum All Numbers in a Range 我们会传递给你一个包含两个数字的数组.返回这两个数字和它们之间所有数字的和. function sumAll(arr) { arr.sort(function(a,b){ return a-b; }); var a=arr[0]; var sum=arr[0]; while( a<arr[1] ){ a++; sum+=a; } return sum; } sumAll([1, 4]); Diff…
1339 - Ancient Cipher Ancient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form to prevent eavesdropping. The…
HTTP Status 500 - Request processing failed; nested exception is javax.crypto.IllegalBlockSizeException: Input length must be multiple of 8 when decrypting with padded cipher org.springframework.web.util.NestedServletException: Request processing fai…
1.链接地址: http://poj.org/problem?id=2159 http://bailian.openjudge.cn/practice/2159 2.题目: Ancient Cipher Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 28064 Accepted: 9195 Description Ancient Roman empire had a strong government system…