Compilare: main.cpp: In function 'int32_t main()': main.cpp:58:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<mult[q.back()].size();i++){ ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:72:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<mult[q.back()].size();i++){ ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:107:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<mult[q.back()].size();i++){ ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:113:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ans.size()<n-1) ans.push_back(1); ~~~~~~~~~~^~~~