文章作者 100test 发表时间 2007:08:06 13:20:17
来源 100Test.Com百考试题网
【程序91】
题目:时间函数举例1
1.程序分析:
2.程序源代码:
以下是引用片段:
#include "stdio.h"
#include "time.h"
void main()
{ time_t lt. /*define a longint time varible*/
lt=time(NULL)./*system time and date*/
printf(ctime(<)). /*english format output*/
printf(asctime(localtime(<)))./*tranfer to tm*/
printf(asctime(gmtime(<))). /*tranfer to Greenwich time*/
}
【程序92】
题目:时间函数举例2
1.程序分析:
2.程序源代码:
以下是引用片段:
/*calculate time*/
#include "time.h"
#include "stdio.h"
main()
{ time_t start,end.
int i.
start=time(NULL).
for(i=0.i<3000.i )
{ printf("/1/1/1/1/1/1/1/1/1/1/n").}
end=time(NULL).
printf("/1: The different is %6.3f/n",difftime(end,start)).
}
【程序93】
题目:时间函数举例3
1.程序分析:
2.程序源代码:
以下是引用片段:
/*calculate time*/
#include "time.h"
#include "stdio.h"
main()
{ clock_t start,end.
int i.
double var.
start=clock().
for(i=0.i<10000.i )
{ printf("/1/1/1/1/1/1/1/1/1/1/n").}
end=clock().
printf("/1: The different is %6.3f/n",(double)(end-start)).
}
【程序94】
题目:时间函数举例4,一个猜数游戏,判断一个人反应快慢。(版主初学时编的)
1.程序分析:
2.程序源代码:
以下是引用片段:
#include "time.h"
#include "stdlib.h"
#include "stdio.h"
main()
{char c.
clock_t start,end.
time_t a,b.
double var.
int i,guess.
srand(time(NULL)).
printf("do you want to play it.(’y’ or ’n’) /n").
loop:
while((c=getchar())==’y’)
{
i=rand()0.
printf("/nplease input number you guess:/n").
start=clock().
a=time(NULL).
scanf("%d",&.guess).
while(guess!=i)
{if(guess>i)
{printf("please input a little smaller./n").
scanf("%d",&.guess).}
else
{printf("please input a little bigger./n").
scanf("%d",&.guess).}
}
end=clock().
b=time(NULL).
printf("/1: It took you %6.3f seconds/n",var=(double)(end-start)/18.2).
printf("/1: it took you %6.3f seconds/n/n",difftime(b,a)).
if(var<15)
printf("/1/1 You are very clever! /1/1/n/n").
else if(var<25)
printf("/1/1 you are normal! /1/1/n/n").
else
printf("/1/1 you are stupid! /1/1/n/n").
printf("/1/1 Congradulations /1/1/n/n").
printf("The number you guess is %d",i).
}
printf("/ndo you want to try it again?(/"yy/".or./"n/")/n").
if((c=getch())==’y’)
goto loop.
}
【程序95】
题目:家庭财务管理小程序
1.程序分析:
2.程序源代码:
以下是引用片段:
/*money management system*/
#include "stdio.h"
#include "dos.h"
main()
{
FILE *fp.
struct date d.
float sum,chm=0.0.
int len,i,j=0.
int c.
char ch[4]="",ch1[16]="",chtime[12]="",chshop[16],chmoney[8].
pp: clrscr().
sum=0.0.
gotoxy(1,1).printf("|---------------------------------------------------------------------------|").
gotoxy(1,2).printf("| money management system(C1.0) 2000.03 |").
gotoxy(1,3).printf("|---------------------------------------------------------------------------|").
gotoxy(1,4).printf("| -- money records -- | -- today cost list -- |").
gotoxy(1,5).printf("| ------------------------ |-------------------------------------|").
gotoxy(1,6).printf("| date: -------------- | |").
gotoxy(1,7).printf("| | | | |").
gotoxy(1,8).printf("| -------------- | |").
gotoxy(1,9).printf("| thgs: ------------------ | |").
gotoxy(1,10).printf("| | | | |").
gotoxy(1,11).printf("| ------------------ | |").
gotoxy(1,12).printf("| cost: ---------- | |").
gotoxy(1,13).printf("| | | | |").
gotoxy(1,14).printf("| ---------- | |").
gotoxy(1,15).printf("| | |").
gotoxy(1,16).printf("| | |").
gotoxy(1,17).printf("| | |").
gotoxy(1,18).printf("| | |").
gotoxy(1,19).printf("| | |").
gotoxy(1,20).printf("| | |").
gotoxy(1,21).printf("| | |").
gotoxy(1,22).printf("| | |").
gotoxy(1,23).printf("|---------------------------------------------------------------------------|").
i=0.
getdate(&.d).
sprintf(chtime,"M.d.d",d.da_year,d.da_mon,d.da_day).
for(..)
{
gotoxy(3,24).printf(" Tab __browse cost list Esc __quit").
gotoxy(13,10).printf(" ").
gotoxy(13,13).printf(" ").
gotoxy(13,7).printf("%s",chtime).
j=18.
ch[0]=getch().
if(ch[0]==27)
break.
strcpy(chshop,"").
strcpy(chmoney,"").
if(ch[0]==9)
{
mm:i=0.
fp=fopen("home.dat","r ").
gotoxy(3,24).printf(" ").
gotoxy(6,4).printf(" list records ").
gotoxy(1,5).printf("|-------------------------------------|").
gotoxy(41,4).printf(" ").
gotoxy(41,5).printf(" |").
while(fscanf(fp,"ss%f/n",chtime,chshop,&.chm)!=EOF)
{ if(i==36)
{ getch().
i=0.}
if ((i6)<17)
{ gotoxy(4,6 i).
printf(" ").
gotoxy(4,6 i).}
else
if((i6)>16)
{ gotoxy(41,4 i-17).
printf(" ").
gotoxy(42,4 i-17).}
i .
sum=sum chm.
printf("s %-14s %6.1f/n",chtime,chshop,chm).}
gotoxy(1,23).printf("|---------------------------------------------------------------------------|").
gotoxy(1,24).printf("| |").
gotoxy(1,25).printf("|---------------------------------------------------------------------------|").
gotoxy(10,24).printf("total is %8.1f$",sum).
fclose(fp).
gotoxy(49,24).printf("press any key to.....").getch().goto pp.
}
else
{
while(ch[0]!=’/r’)
{ if(j<10)
{ strncat(chtime,ch,1).
j .}
if(ch[0]==8)
{
len=strlen(chtime)-1.
if(j>15)
{ len=len 1. j=11.}
strcpy(ch1,"").
j=j-2.
strncat(ch1,chtime,len).
strcpy(chtime,"").
strncat(chtime,ch1,len-1).
gotoxy(13,7).printf(" ").}
gotoxy(13,7).printf("%s",chtime).ch[0]=getch().
if(ch[0]==9)
goto mm.
if(ch[0]==27)
exit(1).
}
gotoxy(3,24).printf(" ").
gotoxy(13,10).
j=0.
ch[0]=getch().
while(ch[0]!=’/r’)
{ if (j<14)
{ strncat(chshop,ch,1).
j .}
if(ch[0]==8)
{ len=strlen(chshop)-1.
strcpy(ch1,"").
j=j-2.
strncat(ch1,chshop,len).
strcpy(chshop,"").
strncat(chshop,ch1,len-1).
gotoxy(13,10).printf(" ").}
gotoxy(13,10).printf("%s",chshop).ch[0]=getch().}
gotoxy(13,13).
j=0.
ch[0]=getch().
while(ch[0]!=’/r’)
{ if (j<6)
{ strncat(chmoney,ch,1).
j .}
if(ch[0]==8)
{ len=strlen(chmoney)-1.
strcpy(ch1,"").
j=j-2.
strncat(ch1,chmoney,len).
strcpy(chmoney,"").
strncat(chmoney,ch1,len-1).
gotoxy(13,13).printf(" ").}
gotoxy(13,13).printf("%s",chmoney).ch[0]=getch().}
if((strlen(chshop)==0)||(strlen(chmoney)==0))
continue.
if((fp=fopen("home.dat","a "))!=NULL).
fprintf(fp,"ss%6s",chtime,chshop,chmoney).
fputc(’/n’,fp).
fclose(fp).
i .
gotoxy(41,5 i).
printf("s %-14s %-6s",chtime,chshop,chmoney).
}}}
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