Eroare de compilare: user.cpp:4:13: error: variable ‘std::ifstream fin’ has initializer but incomplete type ifstream fin("lgput.in"); ^ user.cpp:5:14: error: variable ‘std::ofstream fout’ has initializer but incomplete type ofstream fout("lgput.out"); ^ user.cpp: In function ‘int lgpow(int, int)’: user.cpp:12:5: error: ‘else’ without a previous ‘if’ else if(exp%2==0) ^ user.cpp:12:13: error: ‘exp’ was not declared in this scope else if(exp%2==0) ^ user.cpp:13:9: error: ‘reutrn’ was not declared in this scope reutrn semipow; ^ user.cpp:13:16: error: expected ‘;’ before ‘semipow’ reutrn semipow; ^ user.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type] } ^