Compilare: main.cpp: In function 'int main()': main.cpp:25:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (temp>stiva.top() && N-i+stiva.size()>=M) ~~~~~~~~~~~~~~~~^~~ main.cpp:26:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(temp>stiva.top() && N-i+stiva.size()>=M) ~~~~~~~~~~~~~~~~^~~ main.cpp:13:15: warning: unused variable 'ezis' [-Wunused-variable] int N, M, ezis=0; ^~~~