Compilare: main.cpp: In function 'int main()': main.cpp:34:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < v[poz].size() && !gasit; k ++) ~~^~~~~~~~~~~~~~~ main.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < keys.size(); i ++) ~~^~~~~~~~~~~~~ main.cpp:55:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < v[keys[i]].size(); j++) ~~^~~~~~~~~~~~~~~~~~~