A variant of 3sum, sort array first and try to convert inside two nested for loop into one while loop. The time complixity could be reduced from O(n^3) to O(n^2)
A variant of 3sum, sort array first and try to convert inside two nested for loop into one while loop. The time complixity could be reduced from O(n^3) to O(n^2)

guandali/winter-camp,guandali/winter-camp