如题所述
ä¸ãæ们åç代ç æ¯ç»å«äººççï¼æ以å¨ä»£ç å¼å¤´æä»¬å¿ é¡»å£°æè¿ä¸ªç¨åºæ¯ç¨æ¥å¹²åçï¼ä½è æ¯è°ï¼ä»¥åçæ¬å·åä¿®æ¹åå²ï¼ä»¥åä¿®æ¹è çå称ï¼è¿æå®æçæ¥æè½è®©å«äººä¸ç®äºç¶ãè¿æ¯æçä¸ä¸ªä¾åï¼
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1.é¦å 说ä¸ä¸å¤´æ件çä½ç¨ï¼è°ç¨åºåè½ä»¥åå 强类åå®å ¨æ£æ¥ã
2.为é²æ¢å¤´æ件被éå¤å¼ç¨ï¼åºè¯¥ä½¿ç¨ ifndef/define/endifç»æ产çé¢å¤çåã
3.#include <stdio.h> æ ¼å¼å¼ç¨æ ååºç头æ件ï¼å³ç¼è¯å¨ä»æ ååºç®å½å¼å§æç´¢ã#include "stdio.h"æ ¼å¼å¼ç¨éæ ååºç头æ件ï¼å³ç¼è¯å¨ä»ç¨æ·å·¥ä½ç®å½å¼å§æç´¢ã
4.å¨å¤´æ件ä¸æ好ä¸ç¨å ¨å±åéï¼ä¸è¦åºç°extern int valueè¿ç±»å£°æã
5.头æ件æ¾å¨ä¸ä»½ç®å½ä¸ï¼å®ä¹æ件æ¾å¨å¦ä¸ä¸ªç®å½ä¸ï¼æ好è¿æ ·åå¼ã
ä¸ãå ·ä½ç¨åºï¼
1.空è¡
ç¨åºå¥½çå¸å±éè¦ç©ºè¡ï¼æ¯ä¸ªå½æ°å®ä¹ç»æä¹åå 空è¡ï¼å¨å½æ°ä½å ï¼é»è¾å¯åç¸å ³è¯å¥ä¸ç¨ç©ºè¡ï¼å ¶ä»å°æ¹ç¨ç©ºè¡å离ã
[cpp] view plain copy
void fun()
{
...;
}
//空è¡
void fun1()
{
while (1);
{
...;
//空è¡
if (...)
{
...;
}
}
}
//空è¡
2.代ç è¡
ä¸è¡ä»£ç åªåä¸ä»¶äºæ ï¼å®ä¹åéæè æ¯ä¸æ¡è¯å¥ï¼å¨å®ä¹åéçåæ¶æ好å°å ¶åå§åï¼
ifãforãwhileãdoçè¯å¥å ä¸è¡ï¼ä¸è®ºæ§è¡è¯å¥å¤é¿ï¼é½è®°å¾å â{âãâ}âã
[cpp] view plain copy
int a=1;
int b=2;
int c=a+b;
if (..)
{
....;
}
//空è¡
other();
3.代ç è¡å
çç©ºæ ¼
å ³é®åä¹åçç©ºæ ¼ï¼ifãforçå ³é®åä¹åçç©ºæ ¼åè·æ¬å·ï¼
ååç´§è·çâï¼âãâï¼âãâï¼âãâï¼âä¸çç©ºæ ¼ï¼
âï¼âåçç©ºæ ¼ï¼âï¼âå¦æä¸æ¯ä¸è¡çç»æ符ï¼å ¶åçç©ºæ ¼ï¼
æä½ç¬¦çäºå æä½ç¬¦ååå ç©ºæ ¼ï¼ä¸å æä½ç¬¦ååä¸å ç©ºæ ¼ï¼â[ ]âãâ.âãâ->âååä¸å ç©ºæ ¼ï¼
对è¾é¿è¡¨è¾¾å¼å¯éå½å»æä¸äºç©ºæ ¼ã
[cpp] view plain copy
void fun(int a ,int b, int c);
[cpp] view plain copy
if (year >= 2000)
[cpp] view plain copy
if ((a>=b) && (c<=d))
[cpp] view plain copy
for (i=0 ; i<10; i++)
[cpp] view plain copy
array[2] = 0;
[cpp] view plain copy
int *x = &y;
4.对é½
â{âãâ}âç¬å ä¸è¡å¹¶ä¸å¨åä¸å对é½ï¼ä¸å¼ç¨å®ä»¬çè¯å¥å·¦å¯¹é½ï¼æ¬å·éé¢ç代ç å左对é½ãåµå¥æ¬å·ç¼©è¿å¯¹é½ã
[cpp] view plain copy
void fun(int x)
{
.....;
}
for (...)
{
....;
}
[cpp] view plain copy
[cpp] view plain copy
{
[cpp] view plain copy
{
[cpp] view plain copy
...;
[cpp] view plain copy
}
[cpp] view plain copy
[cpp] view plain copy
}
5.é¿è¡æå
代ç è¡æ大é¿åº¦æ§å¶å¨70è³80个å符以å ï¼ä¾¿äºæ¥çåæå°ï¼é¿è¡¨è¾¾å¼å¨ä½ä¼å 级æä½ç¬¦å¤æåææ°è¡ï¼æä½ç¬¦æ¾å¨æ°è¡ä¹é¦ï¼å¹¶éå½ç¼©è¿
[cpp] view plain copy
if ((a1 >= a2)
&& (a3 >= a4)
&& (a5 >= a6))
int main(a1,
a2);
for (long;
middle;
short)
6.修饰符çä½ç½®
* å & ç´§é åéå
7.注éï¼æ³¨é符æ/*... */ã//ã#if 0,#endif
注éè¦å°èç²¾ï¼ä¸è½å§å®¾å¤ºä¸»ï¼å®çä½ç¨æ¯å¸®å©ç解代ç ï¼
è¾¹å代ç 边注éï¼ä¿è¯ä¸è´æ§ï¼é¿å äºä¹æ§ä»¥åå¨æ³¨éä¸ä½¿ç¨ä¸å¸¸ç¨ç¼©åï¼
代ç è¾é¿æ¶ï¼æè æå¤éåµå¥æ¶ï¼åºå½å¨æ®µè½çç»æå¤å 注éï¼ä¾¿äºé 读ã