Compilare: user.cpp: In function ‘int main()’: user.cpp:31:22: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%I64d", &n); ^ user.cpp:29:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] { freopen("supersuma.in", "r",stdin); ^ user.cpp:30:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("supersuma.out", "w",stdout); ^ user.cpp:31:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%I64d", &n); ^ user.cpp: In function ‘int bs()’: user.cpp:26:12: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] return last; ^