From d2252431220c7d9e35b027f4daf336b25d4ffdd7 Mon Sep 17 00:00:00 2001
From: Shivam Jaiswal <94839938+Ijaiswalshivam@users.noreply.github.com>
Date: Mon, 25 Jul 2022 16:01:57 +0530
Subject: [PATCH] readme.md

---
 Data Structures/Arrays/2 Sum Problem | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Data Structures/Arrays/2 Sum Problem

diff --git a/Data Structures/Arrays/2 Sum Problem b/Data Structures/Arrays/2 Sum Problem
new file mode 100644
index 0000000..a129763
--- /dev/null
+++ b/Data Structures/Arrays/2 Sum Problem	
@@ -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;
+}