learning-cpp/q014.cpp at master · sofiarezende/learning-cpp · GitHub

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#include <iostream>


int main(){

	auto var1 {12};
    auto var2 {13.0};
    auto var3 {14.0f};
    auto var4 {15.0l};
    auto var5 {'e'};

    //int modifier suffixes
    auto var6 { 123u}; // unsigned
    auto var7 { 123ul}; //unsigned long
    auto var8 { 123ll}; // long long

    std::cout << "var1 occupies : " << sizeof(var1) << " bytes" << std::endl;
    std::cout << "var2 occupies : " << sizeof(var2) << " bytes" << std::endl;
    std::cout << "var3 occupies : " << sizeof(var3) << " bytes" << std::endl;
    std::cout << "var4 occupies : " << sizeof(var4) << " bytes" << std::endl;
    std::cout << "var5 occupies : " << sizeof(var5) << " bytes" << std::endl;
    std::cout << "var6 occupies : " << sizeof(var6) << " bytes" << std::endl;
    std::cout << "var7 occupies : " << sizeof(var7) << " bytes" << std::endl;
    std::cout << "var8 occupies : " << sizeof(var8) << " bytes" << std::endl;

    return 0;
}