From a7d4959846a964e75470e6599f6ebba503ec6f1c Mon Sep 17 00:00:00 2001
From: Harry <deepaahuja383@gmail.com>
Date: Wed, 26 May 2021 18:33:18 +0530
Subject: [PATCH] Check if a number is perfect

---
 Perfectnumber.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Perfectnumber.cpp

diff --git a/Perfectnumber.cpp b/Perfectnumber.cpp
new file mode 100644
index 0000000..6a66fa2
--- /dev/null
+++ b/Perfectnumber.cpp
@@ -0,0 +1,25 @@
+// Cpp Program to check if a number is perfect number
+/*a perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. For instance, 6 has divisors 1, 2 and 3 (excluding itself), and 1 + 2 + 3 = 6, so 6 is a perfect number.*/
+#include<iostream>
+using namespace std;
+int Check_perfect(int n)
+{
+    int i,sum=0;
+    for(i=1;i<n;i++)
+    {
+        if(n%i==0)
+        sum+=i;
+    }
+    if(sum==n)return 1;
+    return 0;
+}
+int main()
+{
+    int n;
+    cout<<"Enter any number:";
+    cin>>n;
+    if(Check_perfect(n))
+    cout<<"It is a perfect number";
+    else
+    cout<<"It is not a perfect number";
+}
\ No newline at end of file