Compilare: user.cpp: In function ‘int main()’: user.cpp:145:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<=lyukak.size() && running; i++) ^ user.cpp:147:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l=0; l<=lyukak.size() && running; l++) ^ user.cpp:156:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l=0; l<=lyukak.size() && running; l++) ^ user.cpp:178:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l=0; l<=lyukak.size() && running; l++) ^ user.cpp:212:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l=0; l<=lyukak.size() && running; l++) ^ user.cpp:224:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int z=0; z<=lyukak.size(); z++) ^ user.cpp:142:14: warning: unused variable ‘fut’ [-Wunused-variable] bool fut=true; ^ user.cpp:144:14: warning: unused variable ‘vege’ [-Wunused-variable] bool vege=false; ^