Compilare: user.cpp: In function ‘int main()’: user.cpp:80:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i < v.size(); ++i) ^ user.cpp:123:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cur < counts.size() - 1 && counts[cur] < counts[cur+1]) ^ user.cpp:63:9: warning: unused variable ‘MAX_VAL’ [-Wunused-variable] int MAX_VAL = 100; ^