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Combinatorics

Problems with tag Combinatorics

63 found, showing 30 to 60

2

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Find the Sum of the Power of All Subsequences ->

Hard, #3082, 2 solutions

Kth Smallest Amount With Single Denomination Combination ->

Hard, #3116, 2 solutions

Kth Smallest Instructions ->

Hard, #1643, 2 solutions

Maximum Number That Sum of the Prices Is Less Than or Equal to K ->

Medium, #3007, 2 solutions

Minimum Number of Operations to Make String Sorted ->

Hard, #1830, 2 solutions

Number of Music Playlists ->

Hard, #920, 3 solutions

Number of Sets of K Non-Overlapping Line Segments ->

Medium, #1621, 2 solutions

Number of Single Divisor Triplets ->

Medium, #2198, 2 solutions

Find Triangular Sum of an Array ->

Medium, #2221, 2 solutions

Number of Strings Which Can Be Rearranged to Contain Substring ->

Medium, #2930, 2 solutions

Number of Distinct Binary Strings After Applying Operations ->

Medium, #2450, 2 solutions

Number of Ways to Divide a Long Corridor ->

Hard, #2147, 2 solutions

Number of Excellent Pairs ->

Hard, #2354, 2 solutions

Number of Ways to Reach Destination in the Grid ->

Hard, #2912, 2 solutions

Number of Ways to Rearrange Sticks With K Sticks Visible ->

Hard, #1866, 2 solutions

->

Hard,

Number of Zero-Filled Subarrays ->

Medium, #2348, 2 solutions

Poor Pigs ->

Hard, #458, 2 solutions

Power of Heroes ->

Hard, #2681, 2 solutions

Probability of a Two Boxes Having The Same Number of Distinct Balls ->

Hard, #1467, 2 solutions

Right Triangles ->

Medium, #3128, 2 solutions

Substrings That Begin and End With the Same Letter ->

Medium, #2083, 2 solutions

Sum of All Subset XOR Totals ->

Easy, #1863, 2 solutions

Number of Smooth Descent Periods of a Stock ->

Medium, #2110, 2 solutions

The Number of Beautiful Subsets ->

Medium, #2597, 2 solutions

Total Appeal of A String ->

Hard, #2262, 2 solutions

Ugly Number III ->

Medium, #1201, 2 solutions

Number of Valid Clock Times ->

Easy, #2437, 2 solutions

Number of Ways to Reach a Position After Exactly k Steps ->

Medium, #2400, 2 solutions

Sum of Imbalance Numbers of All Subarrays ->

Hard, #2763, 2 solutions