Compilare: user.cpp: In function ‘int main()’: user.cpp:10:12: warning: unused variable ‘nr’ [-Wunused-variable] int n, nr, pmin = 1, pmax = 1, smin, sum = 0, lsa = 1; ^ user.cpp:10:36: warning: unused variable ‘smin’ [-Wunused-variable] int n, nr, pmin = 1, pmax = 1, smin, sum = 0, lsa = 1; ^ user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssm.in", "r", stdin); ^ user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssm.out", "w", stdout); ^ user.cpp:13:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:19:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &val); ^