1572. Matrix Diagonal Sum-矩阵对角线元素的和
Given a square matrix mat, return the sum of the matrix... » 阅读全文
1566. Detect Pattern of Length M Repeated K or More Times-重复至少 K 次且长度为 M 的模式
Given an array of positive integers arr, find a patter... » 阅读全文
1560. Most Visited Sector in a Circular Track-圆形赛道上经过次数最多的扇区
Given an integer n and an integer array rounds. We have... » 阅读全文
1556. Thousand Separator-千位分隔数
Given an integer n, add a dot (".") as the th... » 阅读全文
1550. Three Consecutive Odds-存在连续三个奇数的数组
Given an integer array arr, return true if there are th... » 阅读全文
1544. Make The String Great-
Given a string s of lower and upper case English letter... » 阅读全文
1539. Kth Missing Positive Number-第 k 个缺失的正整数
Given an array arr of positive integers sorted in a str... » 阅读全文
1534. Count Good Triplets-统计好三元组
Given an array of integers arr, and three integers a, b... » 阅读全文
1528. Shuffle String-重新排列字符串
Given a string s and an integer array indices of the sa... » 阅读全文
1523. Count Odd Numbers in an Interval Range-在区间范围内统计奇数数目
Given two non-negative integers low and high. Return th... » 阅读全文