Compilare: user.cpp: In function ‘void unu()’: user.cpp:14:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(a[i])>max) ^ user.cpp:19:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(a[i])==max) ^ user.cpp:25:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(a[j])==max) ^ user.cpp: In function ‘void doi()’: user.cpp:34:9: warning: variable ‘poz’ set but not used [-Wunused-but-set-variable] int poz[5005]={0}; ^ user.cpp: In function ‘int main()’: user.cpp:54:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.in","r",stdin); ^ user.cpp:55:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.out","w",stdout); ^ user.cpp:57:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&p,&n); ^ user.cpp:59:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",a[i]); ^