Replacement string (Replace)

It will replace the string specified in the text file into a new string. OJ temporarily due to the current system can not support the user reads the file, we write programs from the keyboard input file contents, when a behavior input end, indicating the end. There are two strings behind the end, the second string with the required replacement text all first string.

Input formats:

Xi’an Institute of Posts and Telecommunications is co-designed and implemented by the People’s Government of Shaanxi Province and the Ministry of Industry and Information Technology. The Institute is located in Xi’an, a historic city in Northwest China, famous for its magnificent ancient culture.

end (indicating the end)

Institute (first string, the second string with the required replacement)

University (second string)

Output formats:

Xi’an University of Posts and Telecommunications is co-designed and implemented by the People’s Government of Shaanxi Province and the Ministry of Industry and Information Technology.The University is located in Xi’an, a historic city in Northwest China, famous for its magnificent ancient culture.

Sample input:

Xi’an Institute of Posts and Telecommunications is co-designed and implemented by the People’s Government of Shaanxi Province and the Ministry of Industry and Information Technology.
The Institute is located in Xi’an, a historic city in Northwest China, famous for its magnificent ancient culture.
end
Institute
University

Sample output:

Xi’an University of Posts and Telecommunications is co-designed and implemented by the People’s Government of Shaanxi Province and the Ministry of Industry and Information Technology.The University is located in Xi’an, a historic city in Northwest China, famous for its magnificent ancient culture.

#include<iostream>
#include<cstring>
using namespace std;
int main()
{
string a,b,c,m;
getline(cin,a);
while(1)
{
getline(cin,m);
if(m=="end"){
	break;
}	
a+='\n';
a+=m;	
}
a+='\n';
getline(cin,b);
getline(cin,c);
int found;
found=a.find(b);
while(found!=-1)
{
a.replace(found,b.size(),c);
found=a.find(b,found+1);	
}cout<<a; 
return 0;
}