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1¡¢±àдһ¸ö²¼¶ûº¯Êýint is_leap_year(int year)£¬ÅжϲÎÊýyearÊDz»ÊÇÈòÄê¡£Èç¹ûijÄê·ÝÄܱ»4Õû³ý£¬µ«²»Äܱ»100Õû³ý£¬ÄÇôÕâÒ»Äê¾ÍÊÇÈòÄ꣬´ËÍ⣬Äܱ»400Õû³ýµÄÄê·ÝÒ²ÊÇÈòÄê¡£
#include <stdio.h>
int is_leap_year(int);
int main(){
int i,j;
printf("please input a number:");
scanf("%d",&i);
printf("i=%d\n",i);
j = is_leap_year(i);
if (j){
printf("is leap year\n");
}
else{
printf ("not leap year\n");
}
}
int is_leap_year(int year){
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
return 1;
else
return 0;
}
ÔÚis_leap_yearº¯ÊýÖУ¬¸ù¾ÝÅжÏÐÅÏ¢½øÐÐÅжϡ£½øÐзµ»ØÈç¹ûÈòÄê·µ»Ø1£¬²»ÊÇÈòÄê·µ»Ø0£»Ôڴ˺¯ÊýÖÐÉæ¼°µ½ÓÅÏȼ¶µÄÎÊÌâ¡£


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1.3д³öÒ»¸öC³ÌÐòµÄ¹¹³É¡£
1.4CÓïÑÔÒÔº¯ÊýΪ³ÌÐòµÄ»ù±¾µ¥Î»£¬ÓÐʲôºÃ´¦£¿
1.5Çë²ÎÕÕ±¾ÕÂÀýÌ⣬±àдһ¸öC³ÌÐò£¬Êä³öÒ»ÏÂÐÅÏ¢£º
×××××××××××& ......

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¸øÒ»¶ÎÀý×ÓÄã¾Í»ù±¾Ã÷°×ÁË:
onst CString getString(int i)
{
    CString s;
    s.Format(_T("%d"), i);
    return s;
}
////////////////////////////////
CS ......

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¾ßÌåʹÓÿɿ´Ò»¿´absacc.h±ãÖª£¬ÀýÈ磺
rval=CBYTE[0x0002];Ö¸Ïò³ÌÐò´æÖüÆ÷µÄ0002hµØÖ·
rval=XWORD[0x0002];Ö¸ÏòÍâRAMµÄ0002hµØÖ·
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//Á¬½ÓÍ·Îļþ
#include <io.h>
#include <dir.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//¿½±´ÎļþÄ£¿é
int copyfile (char *infile, char *outfile)
{
    FILE *in,*out; //¶¨ÒåÎļþÖ¸Õë
    in = fopen(infile,"r"); //´ ......
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