3318. Find X-Sum of All K-Long Subarrays I

3318. Find X-Sum of All K-Long Subarrays I

3318. Find X-Sum of All K-Long Subarrays I Difficulty: Easy Topics: Array, Hash Table, Sliding Window, Heap (Priority Queue), Weekly Contest 419 You are given an array nums of n integers and two integers k and x. The x-sum of an array is calculated by the following procedure: Count the occurrences of all elements in the array. Keep only the occurrences of the top x most frequent elements. If two elements have the same number of occurrences, the…

The Sum of All Fears

Summary: {| class="toccolours" style="float: left; margin-left: 1em; margin-right: 2em; font-size: 85%; background:#c6dbf7; color:black; width:30em; max-width: 40%;" cellspacing="5" style="text-align: left;" "Why, you may take the most gallant sailor, the most intrepid airman or the most audacious soldier, put them at a table together – what do you get? The sum of their fears." } {{Template}} As the epigraph to ''[[The Sum of All Fears]]'', [[T…