Eroare de compilare: user.cpp: In function ‘int radacina(int)’: user.cpp:4: error: ‘t’ was not declared in this scope user.cpp:6: error: ‘t’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:14: error: ‘n’ was not declared in this scope user.cpp:14: error: ‘m’ was not declared in this scope user.cpp:15: error: ‘i’ was not declared in this scope user.cpp:17: error: ‘op’ was not declared in this scope user.cpp:17: error: ‘x’ was not declared in this scope user.cpp:17: error: ‘y’ was not declared in this scope user.cpp:19: error: expected primary-expression before ‘}’ token user.cpp:19: error: expected ‘;’ before ‘}’ token user.cpp:12: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:13: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result