Compilare: user.cpp: In function ‘int main()’: user.cpp:55:19: warning: unused variable ‘mij’ [-Wunused-variable] long long mij ; ^ user.cpp:45:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sir7.in", "r", stdin); ^ user.cpp:46:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sir7.out", "w", stdout); ^ user.cpp:48:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:52:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld", &N, &Smax, &Smin); ^ user.cpp:98:38: warning: ‘mare’ may be used uninitialized in this function [-Wmaybe-uninitialized] long long nr = Smax / ( mare - mic ) ; ^ user.cpp:86:19: warning: ‘mic’ may be used uninitialized in this function [-Wmaybe-uninitialized] Smax -= N * mic ; ^