Compilare: user.cpp: In function ‘int main()’: user.cpp:77:29: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] scanf("%s%I64d", aux, &d); ^ user.cpp:72:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("next.in", "r", stdin); ^ user.cpp:73:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("next.out", "w", stdout); ^ user.cpp:77:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s%I64d", aux, &d); ^ user.cpp:48:20: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] r+=x[i]; ^ user.cpp:35:18: note: ‘r’ was declared here int i=1, r; ^