AC日记——单词翻转 1.7 27

#include<cstdio>
#include<string>
#include<cstring>
#include<iostream>
#include<algorithm>

using namespace std;

int len_all,len[501],num,now;

char word[501],word_all[501][50];

int main()
{
    gets(word);
    len_all=strlen(word);
    while(now<len_all)
    {
        if(word[now]==‘ ‘)
        {
            while(word[now]==‘ ‘) now++;
        }
        else
        {
            num++;
            while(word[now]!=‘ ‘)
            {
                if(now>=len_all) break;
                word_all[num][len[num]++]=word[now++];
            }
        }
    }
    for(int i=1;i<=num;i++)
    {
        int l=0,r=len[i]-1;
        while(l<r) swap(word_all[i][l++],word_all[i][r--]);
    }
    now=0;
    for(int i=0;i<len_all;i++)
    {
        if(i==0||(word[i-1]==‘ ‘&&word[i]!=‘ ‘))
        {
            printf("%s",word_all[++now]);
        }
        if(word[i]==‘ ‘) putchar(‘ ‘);
    }
    return 0;
}