diff --git a/cpp/Problem6.cpp b/cpp/Problem6.cpp
new file mode 100644
index 0000000..aa18eee
--- /dev/null
+++ b/cpp/Problem6.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+
+int main(int argc, const char * argv[]) {
+    
+    unsigned int start_time =  clock();
+    
+    float sm = 100 * (100+1)/ 2;
+    float squared = (100 * (100 + 1) * (2 * 100 + 1)) / 6;
+    
+    std::cout << sm * sm - squared;
+    
+    
+    unsigned int end_time = clock();
+    unsigned int finish = end_time - start_time;
+    
+    std::cout << "Program took" << finish*0.001 << "seconds";
+    
+    return 0;
+}