update

src/main.cpp

@@ -1,12 +1,24 @@
 #include <iostream> // for std::cout
+#include <iomanip>
 #include "io.h"
-
+#include <chrono>
 // Definition of function main()
 int main()
 {
 
-    int a{read_number()};
-    int b{read_number()};
-    write_answer(a + b);
+    // int a{read_number()};
+    // int b{read_number()};
+    // write_answer(a + b);
+
+    std::cout << std::left; // left justify output
+    std::cout << std::setw(16) << "bool:" << sizeof(bool) << " bytes\n";
+    std::cout << std::setw(16) << "char:" << sizeof(char) << " bytes\n";
+    std::cout << std::setw(16) << "short:" << sizeof(short) << " bytes\n";
+    std::cout << std::setw(16) << "int:" << sizeof(int) << " bytes\n";
+    std::cout << std::setw(16) << "long:" << sizeof(long) << " bytes\n";
+    std::cout << std::setw(16) << "long long:" << sizeof(long long) << " bytes\n";
+    std::cout << std::setw(16) << "float:" << sizeof(float) << " bytes\n";
+    std::cout << std::setw(16) << "double:" << sizeof(double) << " bytes\n";
+    std::cout << std::setw(16) << "long double:" << sizeof(long double) << " bytes\n";
     return 0;
 }