/in/foo.cc: In function 'int main()':
/in/foo.cc:12:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   12 |     for(int i=2;i<=k;i++)//穷举人i 即组数
      |     ^~~
/in/foo.cc:17:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   17 |         cout<<dp[k][n];
      |         ^~~~