/in/foo.cc: In function 'int main()':
/in/foo.cc:11:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   else s=0;ans=max(ans,s);
   ^~~~
/in/foo.cc:11:12: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   else s=0;ans=max(ans,s);
            ^~~