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Ô´Âë:
# include <stdio.h>
int main()
{
int num;
/* ÏÂÃæ¶¨ÒåµÄ¸÷±äÁ¿£¬·Ö±ð´ú±í¸öλ£¬Ê®Î»£¬°Ùλ£¬Ç§Î»£¬Íòλ£¬Ê®ÍòλÒÔ¼°Î»Êý */
int indiv, ten, hundred, thousand;
int ten_thousand, hundred_thousand, place;
printf("ÇëÊäÈëÒ»¸öÕûÊý(0¡«999999)£º");
scanf("%d", &num);
/* ÅжϱäÁ¿numµÄλÊý */
if(num > 99999)
place = 6;
else if(num > 9999)
place = 5;
else if(num > 999)
place = 4;
else if(num > 99)
place = 3;
else if(num > 9)
place = 2;
else
place = 1;
printf("place = %d\n", place);
printf("ÿλÊý×ÖΪ£º");
/* Çó³önumÔÚ¸÷λÉϵÄÖµ */
hundred_thousand = num/100000;
ten_thousand = (num - hundred_thousand*100000)/10000;
thousand = (num - hundred_thousand*100000 - ten_thousand*10000)/1000;
hundred = (num - hundred_thousand*100000 - ten_thousand*10000
- thousand*1000)/100;
ten = (num - hundred_thousand*100000 - ten_thousand*10000
- thousand*1000 - hundred*100)/10;
indiv = num - hundred_thousand*100000 - ten_thousand*10000
- thousand*1000 - hundred*100 - ten*10;
/* Åжϱä
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Ô´Âë:
# include <stdio.h>
int main()
{
/* ¶¨Òå±äÁ¿²¢¸³³õÖµ */
int a = 5;
char c = 'a'; // 'a'µÄASCÂëµÄֵΪ97
  ......
Ô´Âë:
# include <stdio.h>
int main()
{
/* »»Ðзû'\n'£¬ÓÃÓÚÊä³ö»»ÐÐ */
printf("How are you?\n");
printf("I am fine.\n\n");
/* ºáÏòÌø¸ñ·û'\t'£¬Ê¹Ìøµ½ÏÂÒ»¸öÊä³öÇø */
  ......