第十三届蓝桥杯C++ B组 b题

#include<bits/stdc++.h>
using namespace std;
int res;
int m[13]=
{
    0,31,28,31,30,31,30,
    31,31,30,31,30,31,
};
bool check(string s)
{
    for(int i=0;i+2<s.size();i++){
        if(s[i]+1==s[i+1]&&s[i+1]+1==s[i+2])return true;
    }
    return false;
}
int main()
{
    int year=2022,month=1,day=1;
    for(int i=0;i<365;i++){
        // string s;这样写会报错hh.
        char s[10];
        sprintf(s,"%04d%02d%02d",year,month,day);
        if(check(s)){
            res++;
            cout<<s<<endl;
        }
        if(++day>m[month]){
            day=1;
            month++;
        }
    }
    cout<<res<<endl;
    return 0;
}