foo.cc: In function 'void solve()':
foo.cc:48:11: warning: statement has no effect [-Wunused-value]
   48 | cout.fixed;
      |           ^
foo.cc:27:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 | scanf("%d%d",&l,&k);
      | ~~~~~^~~~~~~~~~~~~~
foo.cc:30:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 | scanf("%d",&temp);
      | ~~~~~^~~~~~~~~~~~
foo.cc:35:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   35 | scanf("%d",&temp);
      | ~~~~~^~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:55:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   55 | scanf("%d",&T);
      | ~~~~~^~~~~~~~~

正在同步测试数据，请稍后
[Hydro](https://hydro.ac)提供评测服务