foo.cc: In function 'int main()':
foo.cc:28:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   28 |         for(k=1;k<=lou[i][101];k++)
      |         ^~~
foo.cc:31:10: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   31 |          if(k>lou[i][101])
      |          ^~
foo.cc:7:17: warning: unused variable 'ans' [-Wunused-variable]
    7 |     int n,m,i,k,ans=0,now,bian,sum=0;
      |                 ^~~

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