Compilare: main.cpp: In function 'void citire()': main.cpp:30:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^ main.cpp: In function 'void rezolvare(int)': main.cpp:76:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[x].size();i++) ~^~~~~~~~~~~~ main.cpp:64:11: warning: unused variable 'a' [-Wunused-variable] int i,a,minim; ^ main.cpp:64:13: warning: unused variable 'minim' [-Wunused-variable] int i,a,minim; ^~~~~