/in/foo.cc: In function 'bool check(double)':
/in/foo.cc:64:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=0;i<C;++i)a[i]=1.0/(i+1)-P*up*(i+1);dfs(1,0);
  ^~~
/in/foo.cc:64:48: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(int i=0;i<C;++i)a[i]=1.0/(i+1)-P*up*(i+1);dfs(1,0);
                                                ^~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:86:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(mp[x][y])continue;mp[x][y]=1;
   ^~
/in/foo.cc:86:24: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   if(mp[x][y])continue;mp[x][y]=1;
                        ^~