Compilare: user.cpp: In function ‘int main()’: user.cpp:6:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define minim(a,b)((a>b)?b:a) ^ user.cpp:61:19: note: in expansion of macro ‘minim’ for(int i=0;i<minim(999,a.size());++i)printf("%d ",a[i]); ^ user.cpp:44:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in","r",stdin); ^ user.cpp:45:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out","w",stdout); ^ user.cpp:46:43: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(pattern, sizeof(pattern), stdin); ^ user.cpp:47:37: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(text, sizeof(text), stdin); ^