Problems

3,898+ problems · 938 Easy · 2039 Medium · 921 Hard

Title	Solution	Practice	Difficulty	Companies	Topics
2851. String Transformation	Solution	Solve	Hard	Google+2	Dynamic Programming Math+2
2852. Sum of Remoteness of All Cells	Solution	Solve	Medium	Medianet	Array Breadth-First Search+4
2853. Highest Salaries Difference	Solution	Solve	Easy	-	Database
2854. Rolling Average Steps	Solution	Solve	Medium	-	Database
2855. Minimum Right Shifts to Sort the Array	Solution	Solve	Easy	Accenture+1	Array
2856. Minimum Array Length After Pair Removals	Solution	Solve	Medium	Snowflake	Array Binary Search+4
2857. Count Pairs of Points With Distance k	Solution	Solve	Medium	Google	Array Bit Manipulation+1
2858. Minimum Edge Reversals So Every Node Is Reachable	Solution	Solve	Hard	Amazon+9	Breadth-First Search Depth-First Search+2
2859. Sum of Values at Indices With K Set Bits	Solution	Solve	Easy	Accenture	Array Bit Manipulation
2860. Happy Students	Solution	Solve	Medium	Amazon	Array Enumeration+1
2861. Maximum Number of Alloys	Solution	Solve	Medium	Mathworks+1	Array Binary Search
2862. Maximum Element-Sum of a Complete Subset of Indices	Solution	Solve	Hard	Purplle	Array Math+1
2863. Maximum Length of Semi-Decreasing Subarrays	Solution	Solve	Medium	Google	Array Monotonic Stack+2
2864. Maximum Odd Binary Number	Solution	Solve	Easy	Amazon+3	Greedy Math+1
2865. Beautiful Towers I	Solution	Solve	Medium	Meta+1	Array Monotonic Stack+1
2866. Beautiful Towers II	Solution	Solve	Medium	Amazon+1	Array Monotonic Stack+1
2867. Count Valid Paths in a Tree	Solution	Solve	Hard	Gameskraft	Depth-First Search Dynamic Programming+3
2868. The Wording Game	Solution	Solve	Hard	-	Array Game Theory+4
2869. Minimum Operations to Collect Elements	Solution	Solve	Easy	Deutsche Bank	Array Bit Manipulation+1
2870. Minimum Number of Operations to Make Array Empty	Solution	Solve	Medium	Amazon+1	Array Counting+2
2871. Split Array Into Maximum Number of Subarrays	Solution	Solve	Medium	-	Array Bit Manipulation+1
2872. Maximum Number of K-Divisible Components	Solution	Solve	Hard	Amazon+3	Depth-First Search Tree
2873. Maximum Value of an Ordered Triplet I	Solution	Solve	Easy	Amazon+3	Array
2874. Maximum Value of an Ordered Triplet II	Solution	Solve	Medium	Amazon+4	Array
2875. Minimum Size Subarray in Infinite Array	Solution	Solve	Medium	De Shaw	Array Hash Table+2
2876. Count Visited Nodes in a Directed Graph	Solution	Solve	Hard	Amazon+1	Dynamic Programming Graph+1
2877. Create a DataFrame from List	Solution	Solve	Easy	Adobe+5
2878. Get the Size of a DataFrame	Solution	Solve	Easy	Amazon+1
2879. Display the First Three Rows	Solution	Solve	Easy	Amazon+2
2880. Select Data	Solution	Solve	Easy	Google+1
2881. Create a New Column	Solution	Solve	Easy	-
2882. Drop Duplicate Rows	Solution	Solve	Easy	Google
2883. Drop Missing Data	Solution	Solve	Easy	-
2884. Modify Columns	Solution	Solve	Easy	Amazon
2885. Rename Columns	Solution	Solve	Easy	-
2886. Change Data Type	Solution	Solve	Easy	Google
2887. Fill Missing Data	Solution	Solve	Easy	Acko+1
2888. Reshape Data: Concatenate	Solution	Solve	Easy	Amazon+1
2889. Reshape Data: Pivot	Solution	Solve	Easy	Amazon+2
2890. Reshape Data: Melt	Solution	Solve	Easy	Amazon+1
2891. Method Chaining	Solution	Solve	Easy	Google
2892. Minimizing Array After Replacing Pairs With Their Product	Solution	Solve	Medium	Adobe+1	Array Dynamic Programming+1
2893. Calculate Orders Within Each Interval	Solution	Solve	Medium	-	Database
2894. Divisible and Non-divisible Sums Difference	Solution	Solve	Easy	Amazon+3	Math
2895. Minimum Processing Time	Solution	Solve	Medium	Adobe+1	Array Greedy+1
2896. Apply Operations to Make Two Strings Equal	Solution	Solve	Medium	Google+1	Dynamic Programming String
2897. Apply Operations on Array to Maximize Sum of Squares	Solution	Solve	Hard	Sprinklr	Array Bit Manipulation+2
2898. Maximum Linear Stock Score	Solution	Solve	Medium	Amazon	Array Hash Table
2899. Last Visited Integers	Solution	Solve	Easy	-	Array Simulation
2900. Longest Unequal Adjacent Groups Subsequence I	Solution	Solve	Easy	Fourkites+1	Array Dynamic Programming+2