题解 | #日期类#

#include <cstdio>
using namespace std;


bool IsLeapYear(int year)
{
    return (year%4==0&&year%100!=0)||(year%400==0);
}


int daytab[2][13]={
    {0,31,28,31,30,31,30,31,31,30,31,30,31},
    {0,31,29,31,30,31,30,31,31,30,31,30,31}
};


int main()
{
    int m;
    cin>>m;
    int year,month,day;
    for(int i=0;i<m;i++)
    {
        cin>>year>>month>>day;
        bool c=IsLeapYear(year);
        int dayOfmonth;
        if(IsLeapYear)
        {
            dayOfmonth=daytab[1][month];
        }
        else dayOfmonth=daytab[0][month];
        
        if(day+1<=dayOfmonth)
        {
            //cout<<year<<"-"<<month<<"-"<<day<<endl;
            printf("%04d%s%02d%s%02d\n",year,"-",month,"-",day+1);
        }
        
        else
        {
            if(month==12)
            {
                //cout<<year+1<<"-"<<1<<"-"<<1<<endl;
                printf("%04d%s%02d%s%02d\n",year+1,"-",1,"-",1);
            }
            else
            {
                //cout<<year<<"-"<<month+1<<"-"<<1<<endl;
                printf("%04d%s%02d%s%02d\n",year,"-",month+1,"-",1);
            }
        }
        
        
        
    }
}