题解 | #单词倒排#

scanf函数的运用

#include <stdio.h>

int main(void)
{
    char words[500][21]={0};
    short i=0;
    
    scanf("%*[^a-zA-Z]");
    while(scanf("%20[a-zA-Z]", words[i]) == 1)
    {
        i++;
        scanf("%*[^a-zA-Z]");
    }
    while(i>1)
        printf("%s ", words[--i]);
    printf("%s\n", words[--i]);
    
    return 0;
}