Compilare: main.cpp: In function 'void le()': main.cpp:59:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(va==v[h].val&&h<v.size()) ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:104:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size();i++) ~^~~~~~~~~ main.cpp:130:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=1;k<s.size();k++) ~^~~~~~~~~ main.cpp:132:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(l=0;l<s.size()-k;l++) ~^~~~~~~~~~~