C++ input.txt output.txt

#include
#include

using namespace std;

int main() {
ifstream in("input.txt");
string c;
getline(in, c, '\0');
for (size_t p = c.find("мясо"); p != c.npos; p = c.find("мясо", p)) c.erase(p, 4);
ofstream out("output.txt");
out << c;
return 0;
}