Compilare: main.cpp: In function 'void kmp()': main.cpp:33:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<t.size();i++){ ~^~~~~~~~~ main.cpp:50:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<t.size();i++){ ~^~~~~~~~~ main.cpp:51:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pref[i+1]>=s.size()) indx.push_back(i); ~~~~~~~~~^~~~~~~~~~