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feat: add twosum solution in lua #41

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feat: add twosum solution in lua #41

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30 changes: 30 additions & 0 deletions leetcode/1 - twosum/two-sum.lua
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
function TwoSumQuadradic(nums, target)
for i = 1, #nums do
for j = i + 1, #nums do
if nums[i] + nums[j] == target then
return i, j
end
end
end

return nil
end

function TwoSum(nums, target)
local seen = {}

for i, num in ipairs(nums) do
if seen[num] then
return seen[num], i
end
seen[target - num] = i
end

return nil
end

local nums = {2, 15, 11, 7}
local target = 9

print(TwoSumQuadratic(nums, target))
print(TwoSum(nums, target))