Compilare: user.cpp: In function ‘int main()’: user.cpp:24:9: warning: unused variable ‘pos1’ [-Wunused-variable] int pos1=1,pos2=n,as1=0,as2=0; ^ user.cpp:24:16: warning: unused variable ‘pos2’ [-Wunused-variable] int pos1=1,pos2=n,as1=0,as2=0; ^ user.cpp:24:23: warning: unused variable ‘as1’ [-Wunused-variable] int pos1=1,pos2=n,as1=0,as2=0; ^ user.cpp:24:29: warning: unused variable ‘as2’ [-Wunused-variable] int pos1=1,pos2=n,as1=0,as2=0; ^ user.cpp:12:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("blaturi.in","r",stdin); ^ user.cpp:13:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("blaturi.out","w",stdout); ^ user.cpp:15:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:19:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp:22:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld%lld",&p1,&s1,&p2,&s2); ^