Compilare: main.cpp: In function 'int main()': main.cpp:71:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(!bad.empty() && sume.size() < k) ~~~~~~~~~~~~^~~ main.cpp:79:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(sume.size() > k) ~~~~~~~~~~~~^~~ main.cpp:93:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(!bad.empty() && sume.size() < k) ~~~~~~~~~~~~^~~ main.cpp:101:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(sume.size() > k) ~~~~~~~~~~~~^~~ main.cpp:115:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(!bad.empty() && sume.size() < k) ~~~~~~~~~~~~^~~ main.cpp:123:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(sume.size() > k) ~~~~~~~~~~~~^~~