Compilare: main.cpp: In function 'int main()': main.cpp:10:13: warning: variable 'kon' set but not used [-Wunused-but-set-variable] int n,i,kon=0,maxi=-1,j,copie,m,t=0; ^~~ main.cpp:10:35: warning: unused variable 'm' [-Wunused-variable] int n,i,kon=0,maxi=-1,j,copie,m,t=0; ^ main.cpp:38:14: warning: 'copie' may be used uninitialized in this function [-Wmaybe-uninitialized] copie=last[copie]; ~~~~~^~~~~~~~~~~~