Compilare: main.cpp: In function 'int main()': main.cpp:19:17: warning: unused variable 'u' [-Wunused-variable] 19 | int n,k,i,j,u,h,poz1,poz2,cnt,a,z,p,lin,col,poz3,poz4; | ^ main.cpp:19:19: warning: unused variable 'h' [-Wunused-variable] 19 | int n,k,i,j,u,h,poz1,poz2,cnt,a,z,p,lin,col,poz3,poz4; | ^ main.cpp:19:39: warning: unused variable 'p' [-Wunused-variable] 19 | int n,k,i,j,u,h,poz1,poz2,cnt,a,z,p,lin,col,poz3,poz4; | ^