Compilare: main.cpp: In function 'int main()': main.cpp:9:13: warning: unused variable 'j' [-Wunused-variable] int p,n,j,i,cnt=1,ok,l,st,mx; ^ main.cpp:9:26: warning: unused variable 'l' [-Wunused-variable] int p,n,j,i,cnt=1,ok,l,st,mx; ^ main.cpp:9:28: warning: unused variable 'st' [-Wunused-variable] int p,n,j,i,cnt=1,ok,l,st,mx; ^~ main.cpp:46:21: warning: 'sf' may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=sf-mx+1;i<=n;i++) ~~^~~