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Hard

Problems with tag Hard

783 found, showing 90 to 120

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4

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Count Increasing Quadruplets ->

Hard, #2552, 2 solutions

Count K-Subsequences of a String With Maximum Beauty ->

Hard, #2842, 2 solutions

Count Integers in Intervals ->

Hard, #2276, 2 solutions

Count of Integers ->

Hard, #2719, 2 solutions

Count of Range Sum ->

Hard, #327, 3 solutions

Count Number of Possible Root Nodes ->

Hard, #2581, 2 solutions

Count of Smaller Numbers After Self ->

Hard, #315, 3 solutions

Count Nodes That Are Great Enough ->

Hard, #2792, 2 solutions

Count Pairs Of Nodes ->

Hard, #1782, 3 solutions

Count Number of Special Subsequences ->

Hard, #1955, 2 solutions

Count of Sub-Multisets With Bounded Sum ->

Hard, #2902, 2 solutions

Count Paths That Can Form a Palindrome in a Tree ->

Hard, #2791, 2 solutions

Count Palindromic Subsequences ->

Hard, #2484, 2 solutions

Count Special Integers ->

Hard, #2376, 2 solutions

Count of Smaller Number before itself ->

Hard, #249, 1 solutions

Count Pairs With XOR in a Range ->

Hard, #1803, 3 solutions

Count Prefix and Suffix Pairs II ->

Hard, #3045, 2 solutions

Count Stepping Numbers in Range ->

Hard, #2801, 2 solutions

Count Subtrees With Max Distance Between Cities ->

Hard, #1617, 2 solutions

Count Subarrays With Fixed Bounds ->

Hard, #2444, 2 solutions

Count Subarrays With Median K ->

Hard, #2488, 2 solutions

Count the Number of Good Partitions ->

Hard, #2963, 2 solutions

Count the Number of Houses at a Certain Distance II ->

Hard, #3017, 2 solutions

Count Subarrays With Score Less Than K ->

Hard, #2302, 2 solutions

Count the Number of Incremovable Subarrays II ->

Hard, #2972, 2 solutions

Count the Number of Ideal Arrays ->

Hard, #2338, 2 solutions

Count the Number of Infection Sequences ->

Hard, #2954, 2 solutions

Count the Number of Powerful Integers ->

Hard, #2999, 2 solutions

Count the Number of K-Big Indices ->

Hard, #2519, 2 solutions

Count the Number of Inversions ->

Hard, #3193, 2 solutions