Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:7: error: ‘ifstream’ was not declared in this scope user.cpp:7: error: expected ‘;’ before ‘f’ user.cpp:8: error: ‘ofstream’ was not declared in this scope user.cpp:8: error: expected ‘;’ before ‘g’ user.cpp:9: error: ‘f’ was not declared in this scope user.cpp:20: warning: comparison between signed and unsigned integer expressions user.cpp:30: error: ‘atoi’ was not declared in this scope user.cpp:37: error: ‘atoi’ was not declared in this scope user.cpp:51: error: ‘atoi’ was not declared in this scope user.cpp:58: error: ‘atoi’ was not declared in this scope user.cpp:66: warning: comparison between signed and unsigned integer expressions user.cpp:76: error: ‘atoi’ was not declared in this scope user.cpp:83: error: ‘atoi’ was not declared in this scope user.cpp:87: error: ‘g’ was not declared in this scope user.cpp:97: error: ‘atoi’ was not declared in this scope user.cpp:104: error: ‘atoi’ was not declared in this scope user.cpp:110: error: ‘g’ was not declared in this scope user.cpp:116: error: ‘g’ was not declared in this scope