Create Ques14.cpp

Author: Asad-aqeel

Ques14.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+
+    int marks;
+
+    cout << "Enter marks obtained: ";
+    cin >> marks;
+
+    if (marks < 0 || marks > 100)
+    {
+        cout << "Error: Marks should be between 0 and 100." << endl;
+    }
+    else if (marks >= 90)
+    {
+        cout << "Grade: A+" << endl;
+    }
+    else if (marks >= 70)
+    {
+        cout << "Grade: A" << endl;
+    }
+    else if (marks >= 50)
+    {
+        cout << "Grade: B" << endl;
+    }
+    else
+    {
+        cout << "Grade: F" << endl;
+    }
+
+    return 0;
+}