Update 2 sum cpp.cpp

DARKcoder37 · web-flow · commit a4ed37ef5c99 · 2023-02-26T18:30:18.000+05:30
diff --git a/1) 2 sum (easy)/2 sum cpp.cpp b/1) 2 sum (easy)/2 sum cpp.cpp
@@ -1,6 +1,6 @@
 C++
 
-1) Brute Force
+1) Brute Force [O(n^2)]
 class Solution {
 public:
     vector<int> twoSum(vector<int>& nums, int target) {
@@ -20,9 +20,9 @@ class Solution {
         }
         return ret;
     }
-}; //O(n^2)
+};
 
-2) Hash Table
+2) Hash Table [O(n)]
 class Solution {
 public:
     vector<int> twoSum(vector<int>& nums, int target) {
@@ -43,4 +43,4 @@ class Solution {
         }
         return ret;
     }
-}; //O(n)
+};

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`C++`
`2`	`2`
`3`		`-1) Brute Force`
	`3`	`+1) Brute Force [O(n^2)]`
`4`	`4`	`class Solution {`
`5`	`5`	`public:`
`6`	`6`	`vector<int> twoSum(vector<int>& nums, int target) {`
`@@ -20,9 +20,9 @@ class Solution {`
`20`	`20`	`}`
`21`	`21`	`return ret;`
`22`	`22`	`}`
`23`		`-}; //O(n^2)`
	`23`	`+};`
`24`	`24`
`25`		`-2) Hash Table`
	`25`	`+2) Hash Table [O(n)]`
`26`	`26`	`class Solution {`
`27`	`27`	`public:`
`28`	`28`	`vector<int> twoSum(vector<int>& nums, int target) {`
`@@ -43,4 +43,4 @@ class Solution {`
`43`	`43`	`}`
`44`	`44`	`return ret;`
`45`	`45`	`}`
`46`		`-}; //O(n)`
	`46`	`+};`