九度OJ 1525 子串逆序打印

#include <stdio.h>
#include<string.h>
#define MAX 100000+10
char s[MAX];
char tmp[MAX];
int main() {
    int n;
    while(~scanf("%d",&n))
    {
        if(n==0)return 0;
        while(getchar()!='\n')
            ;
        gets(s);
        int len=strlen(s);
        int i=0;
        while(i<len)
        {
            int j=0;
            while(i<len&&s[i]==' ')
            {
                i++;
                j++;
            }
            if(j>0)
                printf(" ");
            j=0;
            while(i<len&&s[i]!=' ')
            {
                tmp[j++]=s[i];
                i++;
            }
            if(j>0)
            {
                for(int p=0,q=j-1;p<q;++p,--q)
                {
                    char t=tmp[p];
                    tmp[p]=tmp[q];
                    tmp[q]=t;
                }
                tmp[j]='\0';
                printf("%s",tmp);
            }
        }
            printf("\n");
    }
    return 0;
}
 
/**************************************************************
    Problem: 1525
    User: kirchhoff
    Language: C
    Result: Accepted
    Time:40 ms
    Memory:1112 kb
****************************************************************/