AC日记——过滤多余的空格 1.7 23

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

using namespace std;

int len;

char word[201];

int main()
{
    gets(word);
    len=strlen(word);
    for(int i=1;i<len;i++)
    {
        if(word[i]==‘ ‘&&(word[i-1]==‘^‘||word[i-1]==‘ ‘)) word[i]=‘^‘;
    }
    for(int i=0;i<len;i++)
    {
        if(word[i]==‘^‘) continue;
        putchar(word[i]);
    }
    putchar(‘\n‘);
    return 0;
}