foo.cc: In function 'int main()':
foo.cc:7:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d",&L,&n,&m);
  ~~~~~^~~~~~~~~~~~~~~~~~~
foo.cc:8:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++)scanf("%d",d+i);
                       ~~~~~^~~~~~~~~~

正在同步测试数据，请稍后