Compilare: user.cpp: In function ‘int main()’: user.cpp:25:13: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,putere=1,nr=0,cmp=0,cmp2=0,nr2=0,putere2,numerus,cnt=0,med,st,dr; ^ user.cpp:25:35: warning: unused variable ‘cmp2’ [-Wunused-variable] int n,i,j,putere=1,nr=0,cmp=0,cmp2=0,nr2=0,putere2,numerus,cnt=0,med,st,dr; ^ user.cpp:25:42: warning: unused variable ‘nr2’ [-Wunused-variable] int n,i,j,putere=1,nr=0,cmp=0,cmp2=0,nr2=0,putere2,numerus,cnt=0,med,st,dr; ^ user.cpp:25:48: warning: unused variable ‘putere2’ [-Wunused-variable] int n,i,j,putere=1,nr=0,cmp=0,cmp2=0,nr2=0,putere2,numerus,cnt=0,med,st,dr; ^ user.cpp:26:10: warning: unused variable ‘ok’ [-Wunused-variable] bool ok=0; ^ user.cpp:23:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("abc2.in","r",stdin); ^ user.cpp:24:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("abc2.out","w",stdout); ^ user.cpp:28:14: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(c+1); ^ user.cpp:30:20: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(pattern+1); ^ user.cpp:59:24: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(pattern+2); ^ /tmp/cc2tpG6r.o: In function `main': user.cpp:(.text.startup+0x56): warning: the `gets' function is dangerous and should not be used.