数组·driven模式

插入区间

Given a sorted array of non-overlapping intervals, insert a new interval and merge any overlapping intervals.

汇总区间

Summary Ranges involves converting a sorted array of unique integers into a minimal list of range strings.

最大连续 1 的个数

Find the maximum sequence of consecutive 1s in a binary array using an efficient array-driven scanning approach.

非递减数列

Check if an array can become non-decreasing by modifying at most one element using an array-driven solution strategy.

最长连续递增序列

Find the length of the longest continuous increasing subsequence in an unsorted integer array using an array-driven solu…

1 比特与 2 比特字符

Determine whether the last character in a binary array represents a one-bit character or a two-bit character.

到最近的人的最大距离

Determine the seat placement that maximizes distance to the nearest person using a linear array scan strategy efficientl…

单调数列

Determine if an integer array is entirely monotone increasing or decreasing using a clear array-driven approach.

分割数组

Partition the array into two subarrays such that the left contains the smallest possible elements and the right contains…

有效的山脉数组

The 'Valid Mountain Array' problem requires determining if an array meets the conditions of a valid mountain array using…

公交站间的距离

Compute the minimal distance between two bus stops on a circular route using an array-driven solution approach.

有序数组中出现次数超过25%的元素

Identify the integer occurring more than 25% in a sorted array using a precise array-driven search strategy for efficien…

将每个元素替换为右侧最大元素

Replace every element in an array with the greatest element on its right side, and replace the last element with -1.

解压缩编码列表

Decompress a run-length encoded list by expanding each pair into repeated values based on frequency.

二进制字符串前缀一致的次数

Count how many times a 1-indexed binary string becomes prefix-aligned as bits are flipped sequentially using an array-dr…

拥有最多糖果的孩子

Determine which kids, after receiving extra candies, will have the greatest number of candies in a group.

是否所有 1 都至少相隔 k 个元素

Check if all 1's in a binary array are at least k places away from each other.

在既定时间做作业的学生人数

Count the number of students doing homework at a given time using an array-driven solution approach.

重新排列数组

Shuffle the Array requires an efficient approach to rearrange elements using an array-driven solution strategy with two …

存在连续三个奇数的数组

Determine if an integer array contains three consecutive odd numbers using a direct array-driven solution strategy for f…

可以形成最大正方形的矩形数目

Determine how many rectangles can be trimmed to form the largest possible square using an array-driven solution strategy…

检查数组是否经排序和轮转得到

Determine if a given integer array is sorted in non-decreasing order and then rotated, handling duplicates correctly.

找到最近的有相同 X 或 Y 坐标的点

Find the nearest point with the same x or y coordinate using Manhattan distance. Return its index or -1 if none exists.

最大升序子数组和

Solve Maximum Ascending Subarray Sum by scanning once, extending rising runs, and resetting the running sum at each drop…