replace.cpp:2:21: error: fstream.h: No such file or directory replace.cpp: In function 'void citire()': replace.cpp:35: error: 'ifstream' was not declared in this scope replace.cpp:35: error: expected ';' before 'fin' replace.cpp:36: error: 'fin' was not declared in this scope replace.cpp: In function 'void afisare()': replace.cpp:83: error: 'ofstream' was not declared in this scope replace.cpp:83: error: expected ';' before 'fout' replace.cpp:84: error: 'fout' was not declared in this scope replace.cpp:82: warning: unused variable 'i'