Compilare: main.cpp: In function 'int max_sol(std::vector<int>&, std::vector<int>&)': main.cpp:30:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i <= x.size() + 1; i++) ~~^~~~~~~~~~~~~~~ main.cpp:34:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < x.size(); i++) { ~~^~~~~~~~~~ main.cpp: In function 'void solvequery()': main.cpp:67:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < c.size(); i++) { ~~^~~~~~~~~~ main.cpp:51:9: warning: unused variable 'tot_asc' [-Wunused-variable] int tot_asc = 0, tot_desc = 0; ^~~~~~~ main.cpp:51:22: warning: unused variable 'tot_desc' [-Wunused-variable] int tot_asc = 0, tot_desc = 0; ^~~~~~~~