added p6 in cpp

ditekunov · May 26, 2018 · f185af7 · f185af7
1 parent cafe458
commit f185af7
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/cpp/Problem6.cpp 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;
+}