Compilare: user.cpp: In function ‘int main()’: user.cpp:17:34: 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:17:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘int (*)[1000002]’ [-Wformat=] user.cpp:17:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘int (*)[1000002]’ [-Wformat=] user.cpp:19:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (unsigned long long i = 1; i < N; ++i) next[i] = i, ^ user.cpp:15:38: 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:17:35: 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); ^