acwing::acwing725类 参考

AcWing 725. 完全数 更多...

#include <acwing.h>

静态 Public 成员函数
static int	main (istream &cin, ostream &cout)

详细描述

AcWing 725. 完全数

在文件 acwing.h 第 818 行定义.

成员函数说明

main()

int acwing::acwing725::main ( istream &  cin, ostream &  cout  )

static

在文件 acwing.cpp 第 2420 行定义.

                                                   {
        unsigned short n;
        cin >> n;
        unsigned int x;
        for(unsigned short i = 0; i < n; i++) {
            cin >> x;
            unsigned int count = 1;
            const auto max     = static_cast<unsigned int>(sqrt(static_cast<double>(x)));
            for(unsigned int j = 2; j <= max; j++) {
                if(x % j == 0) {
                    count += j;
                    count += x / j;
                    if(j == x / j) {
                        count -= j;
                    }
                }
            }
            cout << x;
            if(x == 1 || count != x) {
                cout << " is not perfect";
            } else {
                cout << " is perfect";
            }
            cout << endl;
        }
        return 0;
    }

被这些函数引用 acwing::TEST().

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该类的文档由以下文件生成:

• acwing.h
• acwing.cpp