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题解 | #从单向链表中删除指定值的节点#

理解题目！！理解题目！！理解题目！！理解题目！！不要拿起键盘就瞎JB写！！！！ let [total, start, ...arr] = readline().split(" ").map(Number); const rmVal = arr.pop(); let res = [start]; f...

Javascript V8

2022-03-15

18 819

题解 | #提取不重复的整数#

倒着循环，利用对象去重 const str = readline(); const obj = {}; const arr = []; for (let i = str.length - 1; i >= 0 && arr.length <= 10; i--) { co...

Javascript V8

2022-03-11

5 309

题解 | #合并表记录#

粗暴 readline(); let line; const obj = {}; while ((line = readline())) { const [key, value] = line.split(" "); obj[key] = (obj[key] || 0) + +value; ...

Javascript V8

2022-03-11

0 261

题解 | #质数因子#

质数因子就是把数字拆分为质数相乘的表达式 let num = +readline(); let str = ""; // i * i <= num,指数因子小于等于本身的开方 for (let i = 2; i <= num && i * i <= num; i+...

Javascript V8

2022-03-11

0 291

题解 | #进制转换#

16转10方法：0xABC=C16^0+B16^1+A*16^2 let str = readline().substr(2); const map = { A: 10, B: 11, C: 12, D: 13, E: 14, F: 15 }; const d = (n) => (n <...

Javascript V8

2022-03-11

11 343

题解 | #字符串分隔#

理解题目很重要，题目为8位打印一次，最后一次不满8位则补0 const str = readline(); for (let i = 0; ; i++) { const substr = str.substr(i * 8, 8); if (!substr) break; if (subs...

Javascript V8

2022-03-10

0 333

题解 | #明明的随机数#

排序偷了个懒 const len = +readline(); const obj = {}; for (let i = 0; i < len; i++) { const n = +readline(); obj[n] = n; } const arr = Object.keys(...

Javascript V8

2022-03-10

1 332

题解 | #明明的随机数#

比较暴力，push方法可以用二分法优化 // [1,2,4,888,2,1,3,...] // [1,2,4,888,3] // [1,2,3,4,888] const len = +readline(); const arr = []; const obj = {}; function push...

Javascript V8

2022-03-10

0 289

题解 | #计算某字符出现次数#

转化为小写，再循环寻找 const str = readline(); const word = readline().toLocaleLowerCase(); let i = 0, j = 0 for (; i < str.length; i++) if (str[i].toLocaleLo...

Javascript V8

2022-03-10

0 360

题解 | #字符串最后一个单词的长度#

倒着循环找空格，最后用总长度剪去空格的位置 const line = readline(); let i = line.length - 1; for (; i >= 0; i--) if (line[i] === " ") break; console.log(line.length - ...

Javascript V8

2022-03-10

0 275