From 353aa49e310b54de9f3ea048d885f0dc58633161 Mon Sep 17 00:00:00 2001
From: Shivam Jaiswal <ijaiswalshivam@gmail.com>
Date: Sun, 24 Jul 2022 22:07:25 +0530
Subject: [PATCH] two sum add

---
 Data Structures/Arrays/two_sum.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Data Structures/Arrays/two_sum.cpp

diff --git a/Data Structures/Arrays/two_sum.cpp b/Data Structures/Arrays/two_sum.cpp
new file mode 100644
index 0000000..bc10a4b
--- /dev/null
+++ b/Data Structures/Arrays/two_sum.cpp	
@@ -0,0 +1,20 @@
+#include<iostream>
+#include<unordered_map>
+using namespace std;
+int main(){
+    int arr[] = {2,3,4,9,1,0,6,10,23,5,76};
+    int n = 11;
+    int target = 7;
+    unordered_map<int,int> seen;
+    for(int i=0;i<n;i++){
+        seen[arr[i]]++;
+    }
+    for(int i = 0;i<n;i++){
+        int k = target-arr[i];
+        if(seen.count(k)==1){
+            cout<<"Ans: "<<arr[i]<<" "<<k<<endl;
+            break;
+        }
+    }
+    return 0;
+}
\ No newline at end of file