python/TangDou/XiTi/1115.cpp

#include <bits/stdc++.h>

using namespace std;


//是不是0-5
bool isInRange(int n) {
    //字典
    unordered_map<int, int> _map = {{0, 1},
                                    {1, 1},
                                    {2, 1},
                                    {3, 1},
                                    {4, 1},
                                    {5, 1}};
    //小于100，则返回false
    if (n < 100) return false;
    //判断百位
    if (_map.count(n / 100) < 0) return false;
    //判断十位
    n = n % 100;
    if (_map.count(n / 10) < 0) return false;
    //判断个位
    n = n % 10;
    if (_map.count(n) < 0) return false;
    return true;
}

//是不是0-5都有
bool include0To5(int a, int b) {
    unordered_map<int, int> _zeroFive;
    while (a) {
        _zeroFive[a % 10]++;
        a /= 10;
    }
    while (b) {
        _zeroFive[b % 10]++;
        b /= 10;
    }
    for (int i = 0; i <= 5; ++i) {
        if (_zeroFive.count(i) == 0) return false;
    }
    return true;
}


int main() {
    for (int i = 50; i <= 250; ++i) {
        if (isInRange(i * 2) && isInRange(i * 4) && include0To5(i * 2, i * 4)) {
            cout << i << " " << i << endl;
            cout << i * 2 << " " << i * 4 << endl;
        }
    }
    return 0;
}