Compilare: main.cpp: In function 'int main()': main.cpp:76:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sume.size() <= k && *it <= *sume.begin()) ~~~~~~~~~~~~^~~~ main.cpp:82:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(sume.size() > k) ~~~~~~~~~~~~^~~ main.cpp:89:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sume.size() == k) ~~~~~~~~~~~~^~~~ main.cpp:100:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sume.size() <= k && *it <= *sume.begin()) ~~~~~~~~~~~~^~~~ main.cpp:106:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(sume.size() > k) ~~~~~~~~~~~~^~~ main.cpp:113:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sume.size() == k) ~~~~~~~~~~~~^~~~ main.cpp:124:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sume.size() <= k && *it <= *sume.begin()) ~~~~~~~~~~~~^~~~ main.cpp:130:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(sume.size() > k) ~~~~~~~~~~~~^~~ main.cpp:137:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sume.size() == k) ~~~~~~~~~~~~^~~~