蓝桥杯 基础练习 01字串

#include <iostream>
using namespace std;
int main()
{
    for (int i = 0; i <= 1; ++i)
        for (int j = 0; j <= 1; ++j)
            for (int k = 0; k <= 1; ++k)
                for (int l = 0; l <= 1; ++l)
                    for (int m = 0; m <= 1; ++m)
                        cout << i << j << k << l << m << endl;
    return 0;
}