Compilare: user.cpp:13:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘bool Check(long long int)’: user.cpp:66:19: warning: unused variable ‘mid’ [-Wunused-variable] int st,dr,mid,sol; ^ user.cpp:63:9: warning: unused variable ‘ind’ [-Wunused-variable] int ind=1,lft=1; ^ user.cpp: In function ‘int main()’: user.cpp:86:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ksecv4.in","r",stdin); ^ user.cpp:87:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ksecv4.out","w",stdout); ^ user.cpp:88:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&k,&m); ^ user.cpp:91:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&a[i]); ^ user.cpp:95:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&b[i]); ^ user.cpp:80:18: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] lft=sol+1; ^ user.cpp:66:23: note: ‘sol’ was declared here int st,dr,mid,sol; ^