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O N 2

Problems with tag O(n^2)

189 found, showing 1 to 30

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3Sum Smaller ->

Medium, #259, 2 solutions

3 Sum Closest ->

Medium, #59, 1 solutions

3Sum With Multiplicity ->

Medium, #923, 2 solutions

3 Sum Closest ->

Medium, #16, 4 solutions

All the Pairs With the Maximum Number of Common Followers ->

Medium, #1951, 1 solutions

Arithmetic Slices II - Subsequence ->

Hard, #446, 2 solutions

All the Matches of the League ->

Easy, #2339, 1 solutions

4Sum II ->

Medium, #454, 2 solutions

3 Sum ->

Medium, #15, 5 solutions

Burst Balloons ->

Hard, #312, 5 solutions

Cat and Mouse ->

Hard, #913, 3 solutions

Array Transformation ->

Easy, #1243, 2 solutions

Binary Trees With Factors ->

Medium, #823, 2 solutions

Binary String With Substrings Representing 1 To N ->

Medium, #1016, 2 solutions

Cherry Pickup II ->

Hard, #1463, 3 solutions

Cherry Pickup ->

Hard, #741, 3 solutions

Coins in a Line III ->

Hard, #396, 1 solutions

Color the Triangle Red ->

Hard, #2647, 2 solutions

Coordinate With Maximum Network Quality ->

Medium, #1620, 2 solutions

Count Different Palindromic Subsequences ->

Hard, #730, 3 solutions

Count Increasing Quadruplets ->

Hard, #2552, 2 solutions

Champagne Tower ->

Medium, #799, 3 solutions

Check if Every Row and Column Contains All Numbers ->

Easy, #2133, 2 solutions

Count Square Sum Triples ->

Easy, #1925, 2 solutions

Check if Matrix Is X-Matrix ->

Easy, #2319, 2 solutions

Course Schedule IV ->

Medium, #1462, 2 solutions

Create Target Array in the Given Order ->

Easy, #1389, 2 solutions

Count Number of Teams ->

Medium, #1395, 2 solutions

Count Unhappy Friends ->

Medium, #1583, 2 solutions

Count Pairs of Connectable Servers in a Weighted Tree Network ->

Medium, #3067, 2 solutions