面试题001

#include <stdio.h>#include <stdlib.h>int main(int arc, char ** argv){        int arr[]={5,6,7,8};        int i=0;        int *ptr = arr;        *(ptr++) +=123;        printf("%d,%d\n",*ptr,*(++ptr));        for(i=0;i<4;i++)        {                printf("arr[%d]:%d\n",i,arr[i]);        }         return 0; }           ~~"main.c" 20L, 254C 已写入                                                               [root@localhost smb1]# gcc -o main main.c [root@localhost smb1]# ./main 7,7arr[0]:128arr[1]:6arr[2]:7arr[3]:8[root@localhost smb1]#