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Problems

3388 found, showing 60 to 90

3

...

Valid Triangle Number ->

Medium, #611, 2 solutions

Valid Word Abbreviation ->

Easy, #408, 3 solutions

Valid Tic-Tac-Toe State ->

Medium, #794, 3 solutions

Valid Word Square ->

Easy, #422, 3 solutions

Valid Sudoku ->

Medium, #36, 4 solutions

Valid Square ->

Medium, #593, 2 solutions

Valid Phone Numbers ->

Easy, #193, 2 solutions

Valid Perfect Square ->

Easy, #367, 3 solutions

Valid Parentheses ->

Easy, #423, 1 solutions

Valid Permutations for DI Sequence ->

Hard, #903, 2 solutions

Valid Parenthesis String ->

Medium, #678, 2 solutions

Valid Parentheses ->

Easy, #20, 4 solutions

Valid Palindrome ->

Easy, #125, 6 solutions

Valid Palindrome IV ->

Medium, #2330, 2 solutions

Valid Mountain Array ->

Easy, #941, 3 solutions

Valid Palindrome III ->

Hard, #1216, 3 solutions

Valid Arrangement of Pairs ->

Hard, #2097, 2 solutions

Valid Boomerang ->

Easy, #1037, 2 solutions

UTF-8 Validation ->

Medium, #393, 3 solutions

Using a Robot to Print the Lexicographically Smallest String ->

Medium, #2434, 2 solutions

Users With Two Purchases Within Seven Days ->

Medium, #2228, 1 solutions

Users That Actively Request Confirmation Messages ->

Easy, #1939, 1 solutions

User Purchase Platform ->

Hard, #1127, 1 solutions

Valid Number ->

Hard, #65, 4 solutions

User Activity for the Past 30 Days I ->

Easy, #1141, 1 solutions

User Activities within Time Bounds ->

Hard, #3060, 1 solutions

Update Bits ->

Medium, #179, 1 solutions

Valid Palindrome II ->

Easy, #680, 3 solutions

Valid Anagram ->

Easy, #242, 5 solutions

User Activity for the Past 30 Days II ->

Easy, #1142, 1 solutions