Compilare: main.cpp: In function 'void solve()': main.cpp:27:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<t.size();i++) ~^~~~~~~~~ main.cpp:43:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<t.size();i++) ~^~~~~~~~~ main.cpp:45:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p[i+1]==s.size()){ ~~~~~~^~~~~~~~~~