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题解 | #X形图案#

let line; while ((line = readline())) { let n = Number(line); for (let i = 0; i < n; i++) { let out = ''; for (let j = 0; j < n; j...

Javascript V8

2022-04-04

0 248

题解 | #变种水仙花#

let res = []; for (let i = 10000; i < 100000; i++) { let sum = 0; for (let j = 1; j < i.toString().length; j++) { sum += Number(i.toString().sli...

Javascript V8

2022-04-04

0 199

题解 | #获得月份天数#

let line; while ((line = readline())) { let [year, month] = line.split(" ").map((item) => parseInt(item)); let days = 31; if ([4, 6, 9, 11].include...

Javascript V8

2022-04-03

0 293

题解 | #括号序列#

!map.length || map.pop() !== s[i] /** * * @param s string字符串 * @return bool布尔型 */ function isValid( s ) { let arr = { '(':')', ...

Javascript Node

2021-10-04

4 350

题解 | #合并两个有序的数组#

2个数组从后往前比较，谁大谁放后面 /** * * @param A int整型一维数组 * @param B int整型一维数组 * @return void */ function merge( A, m, B, n ) { let aLen = m - 1; l...

Javascript Node

2021-10-04

0 358

题解 | #判断链表中是否有环#

给访问过的节点设置标志位，如果再次访问到有标志位的节点，则证明链表中有环。 /* * function ListNode(x){ * this.val = x; * this.next = null; * } */ /** * * @param head ListNode类...

Javascript Node

2021-10-04

19 606

题解 | #反转链表#

/*function ListNode(x){ this.val = x; this.next = null; }*/ function ReverseList(pHead) { let pre = null; let cur = pHead; while(c...

Javascript Node

2021-10-04

3 429

题解 | #求int型正整数在内存中存储时1的个数#

while(line = readline()){ let num = Number(line).toString(2); console.info(num.match(/1/g).length); }

Javascript V8

2021-10-01

0 321

题解 | #统计大写字母个数#

测试 const reg = /([A-Z])/g; 'add123#$%#%#O'.match(reg); //['O'] '150175017(&^%&$vabovbao'.match(reg); //null 代码 const reg = /([A-Z])/g; while(...

Javascript V8

2021-10-01

0 407

题解 | #字符串排序#

输入输出太折腾了，先记录一下JS的输入输出，有两种，一种V8的，一种node的。 https://www.nowcoder.com/discuss/276 https://blog.csdn.net/jifubu6013/article/details/79692834 const readli...

Javascript Node

2021-10-01

4 512