Compilare: main.cpp: In function 'std::vector<std::pair<int, int> > cautare_in_matrice(int, int)': main.cpp:46:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<res.size();i++) ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:62:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int id=0;id<strlen(t);id++) ~~^~~~~~~~~~ main.cpp:79:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v.size();i++) ~^~~~~~~~~ main.cpp:86:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<Total.size()-1;i++) ~^~~~~~~~~~~~~~~