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萬年歷編程程序

/*準備壹個萬年歷

*/

# include & ltstdio.h & gt

long int f(int年,int月)

{

/*如果月份

如果(月& lt3)返回年份-1;

否則返回年份;

}

long int g(int月)

{

/*如果月份

如果(月& lt3)回歸月+13;

else返回月+1;

}

long int n(int年,int月,int日)

{

/*N=1461*f(年、月)/4+153*g(月)+日*/

return 1461L * f(年、月)/4 + 153L*g(月)/5 +天;

}

//計算星期幾,返回0表示星期天。

整數w(整數年,整數月,整數日)

{

/* w =(N-621049% 7(0 & lt;= w & lt7)*/

return (int)((n(年、月、日)% 7-621049 l % 7+7)% 7);

}

int date[12][6][7];

int day _ TB 1[][12]= { { 31,28,31,30,31,30,31,30,31,30,31,

{31,29,31,30,31,30,31,31,30,31,30,31}};

主()

{

int sw,leap,I,j,k,wd,day

int年;

char title[]= " TUE星期日,THU星期五,星期六";

printf("請輸入妳想知道其日歷的年份:");

scanf("%d*c ",& amp年份);/*輸入年份值,然後輸入*/

sw = w(年,1,1);

閏年% 4 = = 0 & amp& amp年份% 100 | |年份% 400 = = 0;

for(I = 0;我& lt12;i++)

for(j = 0;j & lt6;j++)

for(k = 0;k & lt7;k++)

日期[I][j][k]= 0;/*日期表設置為0*/

for(I = 0;我& lt12;I++) /* 65438+壹年02個月*/

for(wd=0,day = 1;day & lt= day _ TB 1[leap][I];day++)

{/*在日期表中填寫i+1的日期*/

日期[i][wd][sw] =日;

SW = ++ SW % 7;/*壹周七天,從0數到6 */

if(SW = = 0)wd++;/*日期表每七天運行壹次,新的壹行從星期日開始*/

}

printf(" \ n | = = = = = = = = = = = = = = = = = =第%d年的日歷= = = = = = = = = = = = = = = = = = = = = = = = | \ n | ",年份);

for(I = 0;我& lt6;i++)

{/*計算第壹個i+1月和第壹個i+7月的最大周數*/

for(wd=0,k = 0;k & lt7;K++) /*日期表第6行有日期,那麽wd!= 0*/

wd+= date[I][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 & ltwd;j++)

{

printf(" ");/*輸出3個空白字符*/

/*左欄是敵人i+1月,右欄是第壹個i+7月*/

for(k = 0;k & lt7;k++)

如果(日期[i][j][k])

printf("%4d ",date[I][j][k]);

else printf(" ");

printf(" ");/*輸出6個空白字符*/

for(k = 0;k & lt7;k++)

如果(日期[i+6] [j] [k])

printf("%4d ",date[I+6][j][k]);

else printf(" ");

printf(" | \ n | ");

}

}

puts(" = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = ");

puts("\n按任意鍵退出...");

getch();

}

這是壹個萬年歷。創建壹個新的對話框項目,添加壹個文本框,接受輸入,然後添加壹個輸出框,用w(年、月、日)計算星期幾。計算星期很簡單。先判斷是否已經在閏年程序中,再根據年月日判斷已經過了多少天,然後除以7。註意判斷是否可分。這很簡單。

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