Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:9:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&k,&n);
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:9:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&k,&n);
^
