Compilare: user.cpp: In function ‘bool check(int)’: user.cpp:10:7: warning: unused variable ‘s1’ [-Wunused-variable] int s1 = s; ^ user.cpp:11:7: warning: unused variable ‘m1’ [-Wunused-variable] int m1 = m; ^ user.cpp:12:7: warning: unused variable ‘h1’ [-Wunused-variable] int h1 = h; ^ user.cpp: In function ‘int main()’: user.cpp:25:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("momente.in", "r", stdin); ^ user.cpp:26:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("momente.out", "w", stdout); ^ user.cpp:28:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &k); ^ user.cpp:38:84: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d%d%d%d%d", &l1, &z1, &h1, &m1, &s1, &l2, &z2, &h2, &m2, &s2); ^