Added solution for Max Number of K-Sum Pairs

week5/max-number-of-k-sum-pairs.py

@@ -0,0 +1,12 @@
+class Solution:
+    def maxOperations(self, nums: List[int], k: int) -> int:
+        ans=0
+        dic={}
+        for num in (nums):
+            if k-num in dic and dic[k-num] > 0:
+                ans+=1
+                dic[k-num]-=1
+            else:
+                dic[num]=dic.get(num,0)+1
+        return ans
+