Compilare: main.cpp: In function 'int main()': main.cpp:13:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0, j = 0; i < ionel.size() && j < gigel.size(); i++) ~~^~~~~~~~~~~~~~ main.cpp:13:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0, j = 0; i < ionel.size() && j < gigel.size(); i++) ~~^~~~~~~~~~~~~~