Compilare: main.cpp: In function 'int find_maxim(node*, int)': main.cpp:40:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(tmp->value > maxim) ~~~~~~~~~~~^~~~~~~ main.cpp: In function 'int main()': main.cpp:55:26: warning: unused variable 'winner' [-Wunused-variable] int N, i = 0, maxim, winner = 0, copy, k, count; ^~~~~~ main.cpp:55:38: warning: variable 'copy' set but not used [-Wunused-but-set-variable] int N, i = 0, maxim, winner = 0, copy, k, count; ^~~~ main.cpp:55:44: warning: unused variable 'k' [-Wunused-variable] int N, i = 0, maxim, winner = 0, copy, k, count; ^