题解 | #参数解析#

#include <stdio.h>
#include <string.h>
int main() {
    char str[1001];
    while (fgets(str,sizeof(str),stdin)) { // 注意 while 处理多个 case
        char str_ans[1001];
        memset(str_ans,0,sizeof(str_ans));
        int j = 0;
        int index = 0;
        int count = 1;
        int len = strlen(str);
        str[len] = '\0';
        for(int i = 0;i <= len;i++)
        {
            if((str[i] != ' '|| index%2 == 1) && str[i] != '"' )
            {
                str_ans[j++] = str[i];
            }
            else if(str[i] == '"')
            {
                index ++;//奇数表示忽略空格，偶数表示计算空格
            }
            else if((str[i] == ' ' || str[i] =='\0') && index %2 == 0)
            {
                //printf("%s\n",str_ans);
                count++;
                str_ans[j++] = '\n';
                //memset(str_ans,0,sizeof(str_ans));
                //j = 0;
            }
        }
        //printf("%s\n", str);
        printf("%d\n",count);
        printf("%s\n", str_ans);
    }
    return 0;
}

也就轻轻松松，省事