Compilare: main.cpp: In function 'int main()': main.cpp:43:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < G[fort[i]].size(); j++) ~~^~~~~~~~~~~~~~~~~~~ main.cpp:62:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[gigel.second.first].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:66:22: warning: variable 'vasile' set but not used [-Wunused-but-set-variable] mama vasile = make_pair(G[gigel.second.first][i].first + gigel.first, make_pair(G[gigel.second.first][i].second, gigel.second.second)); ^~~~~~