Compilare: main.cpp: In function 'int main()': main.cpp:12:8: warning: unused variable 'a' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:12:10: warning: unused variable 'b' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:12:14: warning: unused variable 'd' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:12:22: warning: unused variable 'y' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:12:28: warning: unused variable 'j' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:12:30: warning: unused variable 'k' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:12:32: warning: unused variable 'l' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:12:34: warning: unused variable 'm' [-Wunused-variable] 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^ main.cpp:37:23: warning: 'rez' may be used uninitialized [-Wmaybe-uninitialized] 37 | if(c==0&&v[rez]!=x)rez=-1; | ^ main.cpp:12:24: note: 'rez' was declared here 12 | ll a,b,c,d,n,i,x,y,rez,j,k,l,m,q,st,dr,mid; | ^~~