Compilare: main.cpp: In function 'int stergere()': main.cpp:122:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(w.size()-1>i*2+1) ~~~~~~~~~~^~~~~~ main.cpp:128:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(w[i].val>minim&&i<w.size()-1) ~^~~~~~~~~~~ main.cpp:130:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(w.size()-1<i*2+1) ~~~~~~~~~~^~~~~~ main.cpp:150:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(w.size()-1>i*2+1) ~~~~~~~~~~^~~~~~ main.cpp: In function 'int functie(int)': main.cpp:167:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<citire[a].size();i++) ~^~~~~~~~~~~~~~~~~