{"problem":"two-sum","similar":[{"title":"3Sum","title_slug":"3sum","difficulty":"Medium","url":"https://leetcode.com/problems/3sum/"},{"title":"4Sum","title_slug":"4sum","difficulty":"Medium","url":"https://leetcode.com/problems/4sum/"},{"title":"Two Sum II - Input Array Is Sorted","title_slug":"two-sum-ii-input-array-is-sorted","difficulty":"Medium","url":"https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/"},{"title":"Two Sum III - Data structure design","title_slug":"two-sum-iii-data-structure-design","difficulty":"Easy","url":"https://leetcode.com/problems/two-sum-iii-data-structure-design/"},{"title":"Subarray Sum Equals K","title_slug":"subarray-sum-equals-k","difficulty":"Medium","url":"https://leetcode.com/problems/subarray-sum-equals-k/"},{"title":"Two Sum IV - Input is a BST","title_slug":"two-sum-iv-input-is-a-bst","difficulty":"Easy","url":"https://leetcode.com/problems/two-sum-iv-input-is-a-bst/"},{"title":"Two Sum Less Than K","title_slug":"two-sum-less-than-k","difficulty":"Easy","url":"https://leetcode.com/problems/two-sum-less-than-k/"},{"title":"Max Number of K-Sum Pairs","title_slug":"max-number-of-k-sum-pairs","difficulty":"Medium","url":"https://leetcode.com/problems/max-number-of-k-sum-pairs/"},{"title":"Count Good Meals","title_slug":"count-good-meals","difficulty":"Medium","url":"https://leetcode.com/problems/count-good-meals/"},{"title":"Count Number of Pairs With Absolute Difference K","title_slug":"count-number-of-pairs-with-absolute-difference-k","difficulty":"Easy","url":"https://leetcode.com/problems/count-number-of-pairs-with-absolute-difference-k/"},{"title":"Number of Pairs of Strings With Concatenation Equal to Target","title_slug":"number-of-pairs-of-strings-with-concatenation-equal-to-target","difficulty":"Medium","url":"https://leetcode.com/problems/number-of-pairs-of-strings-with-concatenation-equal-to-target/"},{"title":"Find All K-Distant Indices in an Array","title_slug":"find-all-k-distant-indices-in-an-array","difficulty":"Easy","url":"https://leetcode.com/problems/find-all-k-distant-indices-in-an-array/"},{"title":"First Letter to Appear Twice","title_slug":"first-letter-to-appear-twice","difficulty":"Easy","url":"https://leetcode.com/problems/first-letter-to-appear-twice/"},{"title":"Number of Excellent Pairs","title_slug":"number-of-excellent-pairs","difficulty":"Hard","url":"https://leetcode.com/problems/number-of-excellent-pairs/"},{"title":"Number of Arithmetic Triplets","title_slug":"number-of-arithmetic-triplets","difficulty":"Easy","url":"https://leetcode.com/problems/number-of-arithmetic-triplets/"},{"title":"Node With Highest Edge Score","title_slug":"node-with-highest-edge-score","difficulty":"Medium","url":"https://leetcode.com/problems/node-with-highest-edge-score/"},{"title":"Check Distances Between Same Letters","title_slug":"check-distances-between-same-letters","difficulty":"Easy","url":"https://leetcode.com/problems/check-distances-between-same-letters/"},{"title":"Find Subarrays With Equal Sum","title_slug":"find-subarrays-with-equal-sum","difficulty":"Easy","url":"https://leetcode.com/problems/find-subarrays-with-equal-sum/"},{"title":"Largest Positive Integer That Exists With Its Negative","title_slug":"largest-positive-integer-that-exists-with-its-negative","difficulty":"Easy","url":"https://leetcode.com/problems/largest-positive-integer-that-exists-with-its-negative/"},{"title":"Number of Distinct Averages","title_slug":"number-of-distinct-averages","difficulty":"Easy","url":"https://leetcode.com/problems/number-of-distinct-averages/"},{"title":"Count Pairs Whose Sum is Less than Target","title_slug":"count-pairs-whose-sum-is-less-than-target","difficulty":"Easy","url":"https://leetcode.com/problems/count-pairs-whose-sum-is-less-than-target/"}]}