Compilare: user.cpp: In function ‘int main()’: user.cpp:54:12: warning: unused variable ‘a’ [-Wunused-variable] int i, a, minim, grupe = 0, j; ^ user.cpp:54:15: warning: unused variable ‘minim’ [-Wunused-variable] int i, a, minim, grupe = 0, j; ^ user.cpp:54:22: warning: unused variable ‘grupe’ [-Wunused-variable] int i, a, minim, grupe = 0, j; ^ user.cpp:54:33: warning: unused variable ‘j’ [-Wunused-variable] int i, a, minim, grupe = 0, j; ^ user.cpp:56:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("sirag.in", "r", stdin); ^ user.cpp:57:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("sirag.out", "w", stdout); ^ user.cpp:59:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d", &k, &p); ^ user.cpp:62:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &x [i]); ^