Compilare: main.cpp: In function 'void kernov1(int)': main.cpp:30:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<h1[k].size();++i) ~^~~~~~~~~~~~~ main.cpp: In function 'void kernov2(int)': main.cpp:44:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<h2[k].size();++i) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.length();i++) ~^~~~~~~~~~~ main.cpp:115:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<h1[i].size();++j) ~^~~~~~~~~~~~~ main.cpp:116:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<h2[i].size();++k) ~^~~~~~~~~~~~~