Compilare: user.cpp: In function ‘int main()’: user.cpp:127:27: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[10]’ [-Wformat=] for ( ; scanf ("%s",&buff)!=EOF; ) ^ user.cpp:122:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("zeap.in","r",stdin); ^ user.cpp:123:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("zeap.out","w",stdout); ^ user.cpp:131:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&x); ^ user.cpp:136:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&x); ^ user.cpp:141:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&x); ^