Compilare: main.cpp: In function 'int main()': main.cpp:35:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < H[hasval].size(); ++k) ~~^~~~~~~~~~~~~~~~~~ main.cpp:59:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < H[hasval].size(); ++j) ~~^~~~~~~~~~~~~~~~~~ main.cpp:54:13: warning: unused variable 'castig' [-Wunused-variable] int castig = 0; ^~~~~~