Main.cc: In function ‘bool ktlt(long long int)’:
Main.cc:8:9: error: ‘retrun’ was not declared in this scope
retrun true;
^~~~~~
Main.cc:8:9: note: suggested alternative: ‘__trunc’
retrun true;
^~~~~~
__trunc
Main.cc: In function ‘int main()’:
Main.cc:17:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&l);
~~~~~^~~~~~~~~
Main.cc:19:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld",&n);
~~~~~^~~~~~~~~~~