Compilare: main.cpp: In function 'int main()': main.cpp:14:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:27:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' return 0; ^~~~~~ main.cpp:6:13: warning: unused variable 'n' [-Wunused-variable] long long n, d, nd, s, ns, nma, r, a[500][500]; ^