foo.cc: In function 'int main()':
foo.cc:12:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   12 |                 if(s>=M)
      |                 ^~
foo.cc:14:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   14 |                     n+=1;
      |                     ^

[Hydro](https://hydro.ac)提供评测服务