Compilare: main.cpp: In function 'int main()': main.cpp:45:11: warning: unused variable 'x' [-Wunused-variable] 45 | int i,x,y,op; | ^ main.cpp:45:13: warning: unused variable 'y' [-Wunused-variable] 45 | int i,x,y,op; | ^ main.cpp:45:15: warning: unused variable 'op' [-Wunused-variable] 45 | int i,x,y,op; | ^~ main.cpp:47:19: warning: array subscript 4000021 is outside array bounds of 'int [4000020]' [-Warray-bounds] 47 | fin>>n>>m;fill(aint_m+1,aint_m+4*N+1,2e9); | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:6:14: note: while referencing 'aint_m' 6 | int a[N],n,m,aint_m[4*N],aint_M[4*N],M; | ^~~~~~