Compilare: main.cpp: In function 'int main()': main.cpp:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < p.size(); i++){ ~~^~~~~~~~~~ main.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < t.size(); i++){ ~~^~~~~~~~~~ main.cpp:31:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == p.size()){ ~~^~~~~~~~~~~