实验一 熟悉C语言编程环境

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

char* month_str[]={"一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"};
int
mon_day[][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}};

int IsLeapYear(int year)     /*find out the year is leap year or not*/
{
if((year%4==0&&year%100!=0)||(year%400==0))
return 1;
else
return 0;
}

int DaySearch(int year,int month,int day)/*search what day this day is*/
{
int days=0;
int m,i;
for (i=1900;i<year;i++)
if(IsLeapYear(i))days=days+366;
else days=days+365;
for(m=1;m<month;m++)
days=days+mon_day[IsLeapYear(year)][m-1];
return((int)days%7);
}

int PrintAllYear(int year)/*print the all year*/
{
int temp;
int i,j;
printf("\n\n                                  %d Calander\n",year);
for(i=1;i<=12;i++){
printf("\n\n                     %s\n\n",month_str[i-1]);
printf("星期一 星期二 星期三 星期四 星期五 星期六 星期日\n");
temp=DaySearch(year,i,1);/*本月的一号是星期几*/
for(j=1;j<=mon_day[IsLeapYear(year)][i-1]+temp;j++)
{
if(j-temp<=0)            printf("            ");
else if(j-temp<10) printf("%d           ",j-temp);
else printf("%d          ",j-temp);
if(j%7==0) printf("\n");
}
}
return 0;
}

int main()
{
int optin=1;
char ch;
int year,month,day;

while (1) {
printf("\n请输入你要打印的年份(XXXX)");
scanf("%d",&year);
PrintAllYear(year);
printf("\n还要继续打印吗？(Y/N)\n");
scanf("\n%c",&ch);
if(ch=='N'||ch=='n')break;
}
return 0;
}

#include <stdio.h>
int main()
{
printf("     ***         ***\n");
printf("  *       *   *       *\n");
printf("*           *           *\n");
printf("  *                   *\n");
printf("    *               *\n");
printf("      *           *\n");
printf("        *       *\n");
printf("          *   *\n");
printf("            *\n");

return 0;
}