Added 755A - PolandBall and Hypothesis.cpp

Author: vikashpatel24

755A - PolandBall and Hypothesis.cpp

@@ -0,0 +1,41 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+// Code Written By: Vikash Patel
+
+bool isPrime(int x)
+{
+    if (x<=1)
+    {
+        return false;
+    }
+    for(int i=2;i<x;i++)
+    {
+        if(x%i==0)
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+int main()
+{
+    int n;
+    cin>>n;
+    int ans;
+    for(int m=1;m<=1000;m++)
+    {
+        if(!isPrime(n*m+1))
+        {
+            ans=m;
+            break;
+        }
+    }
+    cout<<ans<<endl;
+}
+
+
+
+
+