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2. char * const p char const * p const char *p

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char * const p; //³£Á¿Ö¸Õ룬pµÄÖµ²»¿ÉÒÔÐÞ¸Ä

char const * p£»//Ö¸Ïò³£Á¿µÄÖ¸Õ룬ָÏòµÄ³£Á¿Öµ²»¿ÉÒÔ¸Ä const char *p£» //ºÍchar const *p

3.

char str1[] = \; char str2[] = \;

const char str3[] = \; const char str4[] = \;

const char *str5 = \; const char *str6 = \;

char *str7 = \; char *str8 = \;

cout << ( str1 == str2 ) << endl; cout << ( str3 == str4 ) << endl; cout << ( str5 == str6 ) << endl; cout << ( str7 == str8 ) << endl; ½á¹ûÊÇ£º0 0 1 1

str1,str2,str3,str4ÊÇÊý×é±äÁ¿£¬ËüÃÇÓи÷×ÔµÄÄÚ´æ¿Õ¼ä£»¶østr5,str6,str7,str8ÊÇÖ¸Õ룬ËüÃÇÖ¸ÏòÏàͬµÄ³£Á¿ÇøÓò¡£

4. ÒÔÏ´úÂëÖеÄÁ½¸ösizeofÓ÷¨ÓÐÎÊÌâÂð£¿

void UpperCase( char str[] ) // ½« str ÖеÄСд×Öĸת»»³É´óд×Öĸ {

for( size_t i=0; i

char str[] = \;

cout << \×Ö·û³¤¶ÈΪ: \ << sizeof(str)/sizeof(str[0]) << endl; UpperCase( str ); cout << str << endl;

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5. Ò»¸ö32λµÄ»úÆ÷,¸Ã»úÆ÷µÄÖ¸ÕëÊǶàÉÙλ

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6.

main() {

int a[5]={1,2,3,4,5}; int *ptr=(int *)(&a+1);

printf(\,*(a+1),*(ptr-1)); } ´ð£º2,5

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&aÊÇÊý×éÖ¸Õ룬ÆäÀàÐÍΪ int (*)[5]; ¶øÖ¸Õë¼Ó1Òª¸ù¾ÝÖ¸ÕëÀàÐͼÓÉÏÒ»¶¨µÄÖµ£¬²»Í¬ÀàÐ͵ÄÖ¸Õë+1Ö®ºóÔö¼ÓµÄ´óС²»Í¬; aÊdz¤¶ÈΪ5µÄintÊý×éÖ¸Õ룬ËùÒÔÒª¼Ó 5*sizeof(int)¡£ËùÒÔptrʵ¼ÊÊÇa[5]¡£µ«ÊÇprtÓë(&a+1)ÀàÐÍÊDz»Ò»ÑùµÄ(ÕâµãºÜÖØÒª)£¬ËùÒÔprt-1Ö»»á¼õÈ¥ sizeof(int*)¡£a,&aµÄµØÖ·ÊÇÒ»ÑùµÄ£¬µ«Òâ˼²»Ò»Ñù£¬aÊÇÊý×éÊ×µØÖ·£¬Ò²¾ÍÊÇa[0]µÄµØÖ·£¬&aÊǶÔÏó(Êý×é)Ê×µØ Ö·£¬a+1ÊÇÊý×éÏÂÒ»ÔªËØµÄµØÖ·£¬¼´a[1],&a+1ÊÇÏÂÒ»¸ö¶ÔÏóµÄµØÖ·£¬¼´a[5]¡£

7. ÇëÎÊÒÔÏ´úÂëÓÐʲôÎÊÌ⣺

int main() {

char a;

char *str=&a;

strcpy(str,\); printf(str); return 0; }

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8.

char* s=\ printf(\s[0]='B';

printf(\ÓÐʲô´í£¿

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9. дһ¸ö¡°±ê×¼¡±ºê£¬Õâ¸öºêÊäÈëÁ½¸ö²ÎÊý²¢·µ»Ø½ÏСµÄÒ»¸ö¡£

´ð£º#define Min(X, Y) ((X)>(Y)?(Y):(X)) //½áβûÓÐ';'