Compilare: main.cpp: In function 'int main()': main.cpp:35:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=2;j<v[i].size();j++){ ~^~~~~~~~~~~~ main.cpp:43:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++){ ~^~~~~~~~~ main.cpp:45:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<s.size();j++){ ~^~~~~~~~~ main.cpp:46:57: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(lc!=0 && (s[j]!=v[i][lc+1] || lc+1==v[i].size())) ~~~~^~~~~~~~~~~~~ main.cpp:50:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lc==v[i].size()-1) ~~^~~~~~~~~~~~~~~ main.cpp:55:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<s.size();i++){ ~^~~~~~~~~ main.cpp:57:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<len[i].size();j++) ~^~~~~~~~~~~~~~