Compilare: user.cpp: In function ‘int main()’: user.cpp:31:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, s, t, d, k, ok; ^ user.cpp:31:18: warning: unused variable ‘s’ [-Wunused-variable] int n, i, j, s, t, d, k, ok; ^ user.cpp:31:24: warning: unused variable ‘d’ [-Wunused-variable] int n, i, j, s, t, d, k, ok; ^ user.cpp:28:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bancomat.in","r",stdin); ^ user.cpp:29:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bancomat.out","w",stdout); ^ user.cpp:33:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:35:54: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for( i = 0; i <= 5; ++i ) scanf("%d",&v[ i ]); ^ user.cpp:36:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ok = 1; ^ user.cpp:38:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^