Compilare: user.cpp: In function ‘int main()’: user.cpp:11:18: warning: unused variable ‘rest’ [-Wunused-variable] long long suma, rest, num, M, minul, maxul; ^ user.cpp:13:15: warning: variable ‘produs’ set but not used [-Wunused-but-set-variable] double prob, produs; ^ user.cpp:8:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mafia.in", "r", stdin); ^ user.cpp:9:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mafia.out", "w", stdout); ^ user.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:20:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%lld%d", &N, &M, &X); ^ user.cpp:23:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &elem); ^ user.cpp:30:30: warning: ‘num’ may be used uninitialized in this function [-Wmaybe-uninitialized] minul = min(suma - M, suma - num + 1); ^