Compilare: main.cpp: In function 'int main()': main.cpp:15:13: warning: unused variable 'j' [-Wunused-variable] 15 | int n,i,j,k,l,x,y,numar,a,lin,col,poz1,poz2,z; | ^ main.cpp:15:15: warning: unused variable 'k' [-Wunused-variable] 15 | int n,i,j,k,l,x,y,numar,a,lin,col,poz1,poz2,z; | ^ main.cpp:15:17: warning: unused variable 'l' [-Wunused-variable] 15 | int n,i,j,k,l,x,y,numar,a,lin,col,poz1,poz2,z; | ^