weixin_41909817的博客

#include<stdio.h> int main(){ int a; a=6; printf("sizeof(a)=%d",sizeof(a)); } #include<stdio.h> int main(){ int a; a=6; printf("sizeof(a)=%d\n",sizeof(a++)); printf("a=%d\n"...

#include<stdio.h> #include<string.h> //1.字符串常量与字符串变量的sizeof(),sizeof(a)/sizeof(a[0]) //2.指针 int mylen(char *p); int main( void ) { int a [] = {1,2,2,3,4,5,5,6,6,}; //9个int char b [...

#include<stdio.h> int main( void ) { int a[] = {5, 15, 34, 54, 14, 2, 52, 72,-1}; int *p = a; for(p;*p!=-1;){ printf("%d\n",*p++); } // while(*p!=-1){ // printf("%d\n",*p++); // } retur...

#include<stdio.h> int main( void ) { int a[] = {5, 15, 34, 54, 14, 2, 52, 72}; int * p = &a[0]; int * q = &a[2]; printf(" p = %p\n ",p); printf(" p+1 = %p\n ",p+1); printf(" q = %...

#include<stdio.h> int main( void ) { int i; int j; int * const q = &i; *q=26; //q=&j; 这种写法错误 return 0; } #include<stdio.h> int main( void ) { int i; int j; const int *...

#include&lt;stdio.h&gt; int main(){ char c; printf("请输入一个字符数字:"); scanf("%c",&amp;c); printf("c='%c'\n",c); printf("c=%d\n",c); } #include&lt;stdio.h&gt; int main(){ char c; int i; p

a++与++a运行后都会产生一个a=a+1的效果，只是a++与++a的值不同 #include&lt;stdio.h&gt; int main(){ int a=0; int b=0; printf("a++=%d\n",a++); printf("a=%d\n",a); printf("++b=%d\n",++b); printf("b=%d\n",b); } 输出 ...

#include&lt;stdio.h&gt; int main(){ int a=0,b=0; while(++a&gt;0){ ; } printf("int最大值为%d\n",a-1); a--; while(a&gt;0){ b++; a/=10; } printf("int的最大位数为：%d",b); } ...

#include<stdio.h> int main(void){ int i; int j; printf("%p\n",&i); printf("%p\n",&j); int number[10]; printf("0x%d\n",&i); printf("%p\n",&i); printf("%d\n",size...