Compilare: user.cpp: In function ‘int main()’: user.cpp:30:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int (*)[1000002]’ [-Wformat=] scanf("%d%d%d%d", &N, &A, &B, &C); ^ user.cpp:30:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘int (*)[1000002]’ [-Wformat=] user.cpp:30:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘int (*)[1000002]’ [-Wformat=] user.cpp:32:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (unsigned long long i = 1; i < N; ++i) ^ user.cpp:41:27: warning: unused variable ‘aux’ [-Wunused-variable] int l = A[i], r = B[i], aux, last, root; ^ user.cpp:41:32: warning: unused variable ‘last’ [-Wunused-variable] int l = A[i], r = B[i], aux, last, root; ^ user.cpp:41:38: warning: unused variable ‘root’ [-Wunused-variable] int l = A[i], r = B[i], aux, last, root; ^ user.cpp:28:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("curcubeu.out", "w", stdout); ^ user.cpp:30:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &N, &A, &B, &C); ^