王昌齡《從軍行其二》

時間：2025-10-05 03:55:16 王昌齡我要投稿

王昌齡《從軍行其二》

展訊筆試真題分享

1.給出字符串pszbuff, 將其全部轉化為大寫,a轉化為a
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char *convert(const char* dest)
{
    int ilen=0;
    char *tmp=(char *)dest;
    char *str;

    /pic/>     while(*dest++) ilen++;

    str = (char *)malloc(ilen);

    while(*tmp)
    {
        if ( (*tmp>'a') && (*tmp<'z')) {
            *str = *tmp + 'a' - 'a' ;
        }else{
            *str = *tmp;
        }
        str++;
        tmp++;
    }

    *str='\0';
    return str-ilen;
}

int main(int argc, char* argv[])
{
    const char pszbuff[] = "abcd";
    char *cc;
    cc = convert(pszbuff);
    printf("%s",cc);
    getchar();
    return 0;
}

2. 給出輸出結果,假設是cpu32位
int main(int argc, char* argv[])
{
    char *str="1234567890";
    long *plong= (long *)str;
    char *pchar = str;
    plong++;
    pchar++;
    printf("%d    %d    %s\n",sizeof(long),sizeof(plong),plong);
    printf("%d    %d    %s\n",sizeof(char),sizeof(pchar),pchar);
    printf("%d",sizeof(int));
    getchar();
    return 0;
}
答案:

4 4 567890
1 4 234567890
4

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