Compilare: user.cpp: In function ‘int main()’: user.cpp:42:37: warning: variable ‘Sol1’ set but not used [-Wunused-but-set-variable] int Min = 2000000000, a, b, Sol1 = 0, Sol2 = 0; ^ user.cpp:42:47: warning: variable ‘Sol2’ set but not used [-Wunused-but-set-variable] int Min = 2000000000, a, b, Sol1 = 0, Sol2 = 0; ^ user.cpp:17:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmmmc.in", "r", stdin); ^ user.cpp:18:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmmmc.out", "w", stdout); ^ user.cpp:19:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ user.cpp:21:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^