读入空格但不读入换行

#include<cstring>
#include<cstdio>
#include<string>
#include<iostream>
#define N 1010
using namespace std;
int main()
{
string s;char ss[N];       //while(sscanf(gets(ss),"%[^\n]",ss))  //能重复读入但是不是文件结束
    while(cin.getline(ss,N))//以文件结束
    {
int t;
        s=ss;  //直接赋值
        t=s.find("you");
while(t!=-1)
        {
            s.replace(t,3,"we");
            t=s.find("you");
        }
        cout<<s<<endl;
    }
return 0;
}