20140719HW4

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[])
{
    int i,j;
    int Days[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
    int firstday = 3 ;
    char *weekdays[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};

    for(i=0;i<7;i++)
        printf("%4s",*(weekdays+ i));
    printf("\n");

    for(j=0;j<firstday;j++)
            printf("    ");

    int k,flag =0;
    for(i=0;i<12;i++)
    {
        for(j=1;j<=Days[i];j++)
        {
            printf(" %3d",j);
            if(j%7==(7-(firstday+flag)%7)) //de
            printf("\n");
        }
        printf("\n");
        flag = flag + Days[i];
        for(k=0;k<((firstday+flag)%7);k++) //de
            printf("    ");

        //printf("\n");
    }



    return 0;
}