Compilare: main.cpp: In function 'void refresh()': main.cpp:23:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<cuv.size();++i) ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(u<cnt and c+buc[u].s.size()<=p) ~~~~~~~~~~~~~~~~~^~~ main.cpp:84:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=p;i<buc[u].s.size();++i) ~^~~~~~~~~~~~~~~~ main.cpp:98:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(u<cnt and c+buc[u].s.size()<p) ~~~~~~~~~~~~~~~~~^~ main.cpp:101:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=p;i<buc[u].s.size() and l;++i) ~^~~~~~~~~~~~~~~~ main.cpp:107:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(l and l>=buc[u].s.size()) ~^~~~~~~~~~~~~~~~~ main.cpp:116:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(u<cnt and c+buc[u].s.size()<pp) ~~~~~~~~~~~~~~~~~^~~ main.cpp:119:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=pp;i<buc[u].s.size() and ll;++i) ~^~~~~~~~~~~~~~~~ main.cpp:125:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ll and ll>=buc[u].s.size()) ~~^~~~~~~~~~~~~~~~~