题目描述

c++ 暴力枚举爆破

C++ 代码

#include<bits/stdc++.h>
using namespace std;

string ans1,ans2;
bool check3(int a){

    int month =(a%10000)/100;
    int day = a%100;
    if(month>12 || day > 31|| month == 0 || day == 0) return false;
    int year = a/10000;
    if(year % 400 == 0 || (year % 4 ==0 && year % 100 !=0)){
        if(month==2 && day > 29) return false;
    }else{
        if(month==2 && day > 28) return false;
    }
    if(month == 4 || month == 6 ||  month == 9 ||  month == 11 ){
        if(day >30) return false;
    }
    return true;

}
bool check1(int a){
    string s = to_string(a);
    if (s == string(s.rbegin(),s.rend())){
        ans1 = s;
        return true;
    }
    return false;
}

bool check2(int a){
    string s = to_string(a);
    if (s[0]== s[2] && s[2] == s[5] && s[5] ==s[7] && s[1]== s[3] && s[3] == s[4] && s[4] ==s[6] && s[0]!=s[1]){
        ans2 = s;
        return true;
    }
    return false;
}
int main(){
    int n,t;
    cin>>n;
    int f1 = 1,f2 = 1;
    while(f1 || f2){
        n++;
        if(!check3(n)) continue;
        if(f1) {
            if(check1(n)) f1 = 0;
        }
        if(f2) {
            if(check2(n)) f2 = 0;
        }

    }

    cout<<ans1<<endl<<ans2;
    return 0;
}