Compilare: main.cpp: In function 'void calcSum()': main.cpp:26:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < multime.size() && caut == string::npos; ++j){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:65:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < best1.size(); ++i) ~~^~~~~~~~~~~~~~ main.cpp:68:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < best2.size(); ++i) ~~^~~~~~~~~~~~~~