//-------------------------------第壹題
#include <stdio.h>
#include "e:\myc\zylib\zylib.h"
STRING GetString(STRING prompt);
double GetReal(STRING prompt);
int main()
{
double bookprice;
STRING bookname;
bookname=GetString("請輸入字符串：");
bookprice=GetReal("請輸入實數：");
printf("字符串為：%s\n",bookname);
printf("實數為：%.2f\n",bookprice);
}
STRING GetString(STRING prompt)
{
STRING name;
printf("%s",prompt);
name=GetStringFromKeyboard();
return name;
}
double GetReal(STRING prompt)
{
double price;
printf("%s",prompt);
price=GetRealFromKeyboard();
return price;
}
//-------------------------------------第二題
#include <stdio.h>
#include "e:\myc\zylib\zylib.h"
BOOL IsPrime(int n);
int main()
{
int n;
printf("請輸入壹個整數:");
scanf("%d",&n);
if(n>2)
if(IsPrime(n))printf("%d是素數\n",n);
else printf("%d不是素數\n",n);
else printf("數據非法\n");
return 0;
}
BOOL IsPrime(int n)
{
int i;
for(i=2;i<n;i++)
if(n%i= =0) return FALSE;
return TRUE;
}
//--------------------------------第三題
#include <stdio.h>
#define TRUE 1
int gcd(int x,int y);
int main()
{
int m,n,max;
printf("請輸入兩個正整數：");
scanf("%d %d",&m,&n);
max=gcd(m,n);
printf("最大公約數為：%d\n",max);
return 0;
}
int gcd(int x,int y)
{
int r;
while(TRUE)
{
r=x%y;
if(r==0)break;
x=y;
y=r;
}
return y;
}
//--------------------------------第四題
#include <stdio.h>
#include "e:\myc\zylib\zylib.h"
typedef enum{sun,mon,tue,thi,wen,fri,sat}WEEKDAY;//定義枚舉類型
int GetInteger(STRING prompt);//輸入壹下整數
int Count(int year,int month);//計算某年某月之前到2007年1月1日的天數
BOOL IsLeapYear(int n);//判斷某年是否是閏年
int month_day(int year,int month);//計算某個月的天數
void print(int year,int month,int total);//打印某年某月的日歷
void print1(WEEKDAY weekday);//打印某月的第1天
int main()
{
int year,month,total;
year=GetInteger("please input year:");
if(year<2007)
PrintErrorMessage(FALSE,"年份小於2007，錯誤\n");
month=GetInteger("please input month:");
total=Count(year,month);
print(year,month,total);
}
int GetInteger(STRING prompt)
{
int t;
printf("%s",prompt);
t=GetIntegerFromKeyboard();
return t;
}
int Count(int year,int month)
{
int s,i;
s=0;
for(i=2007;i<year;i++)
if(IsLeapYear(i))s+=366;
else s+=365;
for(i=1;i<month;i++)
s+=month_day(year,i);
return s;
}
BOOL IsLeapYear(int n)
{
return n%4==0&&n%100!=0||n%400==0;
}
int month_day(int year,int month)
{
int day;
switch(month)
{
case 1:
case 3:
case 5:
case 7:
case 9:
case 10:
case 12:day=31;break;
case 2:day=28+IsLeapYear(year);break;
default:day=30;
}
return day;
}
void print(int year,int month,int total)
{
WEEKDAY weekday;
const WEEKDAY first=mon;
int i,day;
printf("%d-%d canlendar\n",year,month);
printf("-----------------------------------\n");
printf(" sun mon tue thi wen fri sat\n");
printf("-----------------------------------\n");
day=month_day(year,month);
for(i=1;i<=day;i++)
{
weekday=(WEEKDAY)((total+i+first-1)%7);
if(i==1)print1(weekday);
else if(weekday==sat)
printf("%4d\n",i);
else printf("%4d",i);
}
printf("\n------------------------------------\n");
}
void print1(WEEKDAY weekday)
{
if(weekday==0)printf("%4d",1);
else if(weekday==1)printf("%8d",1);
else if(weekday==2)printf("%12d",1);
else if(weekday==3)printf("%16d",1);
else if(weekday==4)printf("%20d",1);
else if(weekday==5)printf("%24d",1);
else if(weekday==6)printf("%28d\n",1);
}
//---------------------------------------
上面的壹些文件路徑妳自己改了，唉，其實我自己給妳寫的那些算法更好，。