Compilare: main.cpp: In function 'bool mergJos(int)': main.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<graf[nr].con.size(); i++) ~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void mergSus(int)': main.cpp:64:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<graf[nr].con.size(); i++) ~^~~~~~~~~~~~~~~~~~~~ main.cpp:54:10: warning: unused variable 'sum' [-Wunused-variable] bool sum = false; ^~~ main.cpp: In function 'void afisare()': main.cpp:77:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<wins.size(); i++) ~^~~~~~~~~~~~