https://leetcode.com/problems/sum-of-square-numbers/description/

Is c sum of squares? #medium #binary_search

https://leetcode.com/problems/minimum-number-of-days-to-make-m-bouquets/description/

Min days to take m k-subarrays #medium #binary_search

https://leetcode.com/problems/magnetic-force-between-two-balls/description/

Max shortest distance between m positions #medium #binary_search

https://leetcode.com/problems/find-k-th-smallest-pair-distance/description/

`k`th smallest pairs diff in array #hard #binary_search #two_pointers

https://leetcode.com/problems/my-calendar-i/description/

Insert non-intersection interval #medium #binary_search