Modern C++ 100 Questions | 02 User defined literals _f

Wed, 19 Feb 2014 00:00:00 +0000

This article offers a sample of basic Markdown syntax that can be used in Hugo content files, also it shows whether basic HTML elements are decorated with CSS in a Hugo theme.

`02` User defined literals _f

Requirements：

Please don’t change main function.
Please implement your function/code to get Expected results.

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int main(){
    std::cout << "乐 :{} *\n"_f(5);
    std::cout << "乐 :{0} {0} *\n"_f(5);
    std::cout << "乐 :{:b} *\n"_f(0b01010101);
    std::cout << "{:*<10}"_f("卢瑟");
    std::cout << '\n';
    int n{};
    std::cin >> n;
    std::cout << "π：{:.{}f}\n"_f(std::numbers::pi_v<double>, n);
}

Expected results

乐 :5 *
乐 :5 5 *
乐 :1010101 *
卢瑟******
6
π：3.141593

Suggested environments

Compiler explorer, please add –std=c++20 to the compilation options.

My implementation

Reference code, please use browser to translate page from Chinese to English if necessary.

Modern C++ 100 Questions | 01 Pipe operator.

Sat, 25 Jan 2014 00:00:00 +0000

This article offers a sample of basic Markdown syntax that can be used in Hugo content files, also it shows whether basic HTML elements are decorated with CSS in a Hugo theme.

`01` Implement pipe operator

Requirements：

Please don’t change main function.
Please implement your function/code to get Expected results.

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int main()
{
    std::vector v{1, 2, 3};
    std::function f {[](const int& i) {std::cout << i << ' '; } };
    auto f2 = [](int& i) {i *= i; };
    v | f2 | f;
}

Expected results

1 4 9

Suggested environments

Compiler explorer, please add –std=c++20 to the compilation options.

My implementation

Reference code, please use browser to translate page from Chinese to English if necessary.

Pipe Operator on Frank Bi

Modern C++ 100 Questions | 02 User defined literals _f

02 User defined literals _f

Expected results

Suggested environments

My implementation

Modern C++ 100 Questions | 01 Pipe operator.

01 Implement pipe operator

Expected results

Suggested environments

My implementation

`02` User defined literals _f

`01` Implement pipe operator