Compilare: user.cpp: In function ‘void citire()’: user.cpp:17:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j,x,y; ^ user.cpp: In function ‘void dfcomputeup(int)’: user.cpp:62:26: warning: variable ‘l2’ set but not used [-Wunused-but-set-variable] int mx1=-1,mx2=-1,l1,l2; ^ user.cpp: In function ‘void computed(int)’: user.cpp:91:33: warning: variable ‘l3’ set but not used [-Wunused-but-set-variable] int mx1=0,mx2=0,mx3=0,l1,l2,l3,b1=0,b2=0,bl1=0,bl2=0; ^ user.cpp:91:52: warning: variable ‘bl2’ set but not used [-Wunused-but-set-variable] int mx1=0,mx2=0,mx3=0,l1,l2,l3,b1=0,b2=0,bl1=0,bl2=0; ^ user.cpp: In function ‘void afisare()’: user.cpp:151:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<mc.size();i++) ^ user.cpp: In function ‘void computed(int)’: user.cpp:124:20: warning: ‘l2’ may be used uninitialized in this function [-Wmaybe-uninitialized] } else if (l2== *it) { ^ user.cpp:119:13: warning: ‘l1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (l1==*it) { ^