OJ 66之日期计算



















#include<cstdio>

#include<cmath>

int function(int year,int month,int day)

{

      

    int a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};

    int b[13]={0,31,29,31,30,31,30,31,31,30,31,30,31};

    int i,j,sum;sum=0;

    if(( year%4==0 && year%100!=0 )||(year%400==0))

    {

        for(i=0;i<month;i++)

            sum=sum+b[i];

    }

    else

    {

        for(j=0;j<month;j++)

            sum=sum+a[j];

    }

    sum=sum+day;

    return sum;

}

int main()

{

    int year,month,day;

    int sum;

    while(scanf("%d %d %d",&year,&month,&day)!=EOF)

    {

        if(month<1||month>12)

            printf("Input error!\n");

        else if((month==1||month==3||month==5||month==7||month==8||month==10||month==12)&&(day<1||day>31))

            printf("Input error!\n");

        else if((month==4||month==6||month==9||month==11)&&(day<1||day>30)) 

            printf("Input error!\n");

        else if(((year%4==0&&year%100!=0 )||(year%400==0))&&(month==2)&&(day<1||day>29))

            printf("Input error!\n");

        else if(((year%100!=0&&year%4!=0)||(year%100==0&&year%400!=0))&&(day<1||day>28))

            printf("Input error!\n");

        else

        {

            sum=function(year,month,day);

            printf("%d\n",sum);

        }

    }

    return 0;

}










区分闰年和平年