万年历课程设计|计算机数据库课程设计|精品课程网站设计|课程设计网报告总结心得
#include
long int f(int year,int month){/*f(年，月)=年-1，如果<3；否则，f（年,月）=年*/ if(month<3) return year-1; else return year;}long int g(int month){/*g(月)=月+13；否则，g（月）=月+1*/ if(month<3) return month+13; else return month+1;}long int n(int year,int month,int day){/*N=1461*f(年，月)/4+153*g（月）/5+日*/ return 1461L*f(year,month)/4+153L*g(month)/5+day;}int w(int year,int month,int day){/*w=(N-621049)%7(0<=w<7)*/ return(int)((n(year,month,day)%7-621049L%7+7)%7);}int date[12][6][7];int day_tbl[][12]={{31,28,31,30,31,30,31,31,30,31,30,31},{31,29,31,30,31,30,31,31,30,31,30,31}};void main(){int sw,leap,i,j,k,wd,day;int year;/*年*/char title[]="SUN MON TUE WED THU FRI SAT";printf("please input the year whose calendar you want to know: ");scanf("%d*c",&year);sw=w(year,1,1);leap=year%4==0&&year%100||year%400==0;for(i=0;i<12;i++)for(j=0;j<6;j++)for(k=0;k<7;k++)date[j][k]=0;for(i=0;i<12;i++)for(wd=0,day=1;day<=day_tbl[leap];day++){/*将第i+1月的日期填入日期列表*/date[wd][sw]=day;sw=++sw%7;if(sw==0) wd++;}printf("\n|======================the calendar of year &d=====================|\n|",year);for(i=0;i<6;i++){/*先测算第i+1月和第i+7月的最大星期数*/ for(wd=0,k=0;k<7;k++) wd+=date[5][k]+date[i+6][5][k];wd=wd?6:5;printf("%2d %s %2d %s |\n|",i+1,title,i+7,title);for(j=0;j
