Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:42:5: error: expected ‘;’ before ‘sol’ sol=exp(a,sol-1); ^ user.cpp: In function ‘long long int exp(long long int, long long int)’: user.cpp:15:1: warning: control reaches end of non-void function [-Wreturn-type] } ^