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题解 | #记负均正II#这题不算入门难度么？

//这题不算入门难度么？ let arr = [] let count =0 while(line = parseInt(readline())){ if(line<=0){ count++ }else{ arr.push(line) }...

Javascript V8

2022-05-14

1 292

题解 | #数组分组#

function add(arrr) { return arrr.reduce((pre, now) => { return pre + now; }, 0); } const len = parseInt(readline()); const arr = readline()...

Javascript V8

2022-05-14

0 327

题解 | #Sudoku#挑战最易理解

let arr = []; while ((line = readline())) { arr.push(line.split(" ").map(Number)); } let ans = run(arr); for (let i = 0; i < 9; i++) { console....

Javascript V8

2022-05-13

1 265

题解 | #迷宫问题#边界处理要仔细

const [row, col] = readline().split(" ").map(Number); const used = new Array(row).fill(0).map((v) => new Array(col).fill(0)); const arr = []; let r...

Javascript V8

2022-05-13

0 294

题解 | #判断两个IP是否属于同一子网#

function judgeIP(str) { let number = str.split(".").map(Number); for (let i = 0; i < number.length; i++) { if (number[i] < 0 || number[i...

Javascript V8

2022-05-12

0 359

题解 | #统计每个月兔子的总数#比比谁更短

let count = 0 let c = month while((c-2)>0){ c-- count++ count = count+born(c-1) } return count } let month ...

Javascript V8

2022-05-12

0 270

题解 | #蛇形矩阵#非数学方式精简代码

摒弃纯计算模式，利用循环创建出行数个数组 const num = parseInt(readline()); let start = 1; let arr = new Array(num).fill(0).map((v) => new Array()); for (let i = 0; i ...

Javascript V8

2022-05-12

0 300

题解 | #整数与IP地址间的转换#连续map映射

小技巧： 1.利用padStart填充字符串 2.利用填充空格进行指定长度的字符串切割 3.用trim消除前后填充的空格 let newStr = str .split(".") .map((item) => { return ("00000000" + parseInt(it...

Javascript V8

2022-05-12

2 370

题解 | #密码截取#速度80%：两边拓展精简写法

let arr = str.split(""); let len = arr.length; let max = 0 for(let i = 0;i<len;i++){ let a = i,b = i+1 while(a>=0&&b&l...

Javascript V8

2022-05-12

0 270

题解 | #字符串合并处理#

//注意点是转化为二进制后字符串不够4位，故用（'0000'+str）.substr(-4)来填充 let oddListIndex = []; let evenListIndex = []; let sortFn = (a,b)=>{ return a.charCodeAt()-b....

Javascript V8

2022-05-12

1 354