Eroare de compilare: user.cpp:3:22: error: iostream.h: No such file or directory user.cpp: In function ‘void read_datas(int&)’: user.cpp:9: error: ‘FILE’ was not declared in this scope user.cpp:9: error: ‘file’ was not declared in this scope user.cpp:10: error: ‘fopen’ was not declared in this scope user.cpp:11: error: ‘fscanf’ was not declared in this scope user.cpp: In function ‘void print_array(int)’: user.cpp:76: error: ‘FILE’ was not declared in this scope user.cpp:76: error: ‘f’ was not declared in this scope user.cpp:76: error: ‘fopen’ was not declared in this scope user.cpp:79: error: ‘fprintf’ was not declared in this scope user.cpp:80: error: ‘printf’ was not declared in this scope user.cpp: In function ‘int main(int, char**)’: user.cpp:91: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result