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Combinatorics

Problems with tag Combinatorics

63 found, showing 1 to 30

1

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Alice and Bob Playing Flower Game ->

Medium, #3021, 2 solutions

Count Collisions of Monkeys on a Polygon ->

Medium, #2550, 2 solutions

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

Hard, #2842, 2 solutions

Count Numbers With Unique Digits II ->

Easy, #3032, 2 solutions

Count of Integers ->

Hard, #2719, 2 solutions

Count Sorted Vowel Strings ->

Medium, #1641, 2 solutions

Count All Valid Pickup and Delivery Options ->

Hard, #1359, 2 solutions

Count Anagrams ->

Hard, #2514, 2 solutions

Count of Sub-Multisets With Bounded Sum ->

Hard, #2902, 2 solutions

Count Special Integers ->

Hard, #2376, 2 solutions

Count the Number of Good Partitions ->

Hard, #2963, 2 solutions

Count the Number of Good Subsequences ->

Medium, #2539, 2 solutions

Count the Number of Infection Sequences ->

Hard, #2954, 2 solutions

Count Substrings Starting and Ending with Given Character ->

Medium, #3084, 2 solutions

Count the Number of Beautiful Subarrays ->

Medium, #2588, 2 solutions

Count the Number of Ideal Arrays ->

Hard, #2338, 2 solutions

Count the Number of Square-Free Subsets ->

Medium, #2572, 2 solutions

Count Ways to Build Rooms in an Ant Colony ->

Hard, #1916, 2 solutions

Count the Number of K-Free Subsets ->

Medium, #2638, 2 solutions

Distribute Candies Among Children I ->

Easy, #2928, 2 solutions

Distribute Candies Among Children II ->

Medium, #2929, 2 solutions

Distribute Candies Among Children III ->

Hard, #2927, 2 solutions

Find Number of Ways to Reach the K-th Stair ->

Hard, #3154, 2 solutions

Count the Number of Inversions ->

Hard, #3193, 2 solutions

Count Ways to Make Array With Product ->

Hard, #1735, 2 solutions

Count the Number of Powerful Integers ->

Hard, #2999, 2 solutions

Find Products of Elements of Big Array ->

Hard, #3145, 2 solutions

Find the N-th Value After K Seconds ->

Medium, #3179, 2 solutions

Find the Index of Permutation ->

Medium, #3109, 2 solutions

Find the Number of Subarrays Where Boundary Elements Are Maximum ->

Hard, #3113, 2 solutions