Compilare: user.cpp: In function ‘int main()’: user.cpp:12:32: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int n, c, v, i, ap = 0, t, ok = 0, ok1 = 0; ^ user.cpp:12:40: warning: variable ‘ok1’ set but not used [-Wunused-but-set-variable] int n, c, v, i, ap = 0, t, ok = 0, ok1 = 0; ^ user.cpp:10:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("avarcolaci.in", "r", stdin); ^ user.cpp:11:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("avarcolaci.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", &t); ^ user.cpp:16:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:20:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x[i]); ^