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string 类型很好很强大!

Posted by luchenqun at 2010-12-01 22:07:55 on Problem 3981
#include<iostream>
#include<string>
using namespace std;
int main()
{
	string str;
	int pos;
	while(getline(cin,str))
	{
		while( (pos=str.find("you")) != -1 )
			str.replace(pos,3,"we");
		cout<<str<<endl;
	}
	return 0;
}

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