/in/foo.cc: In function 'int main()':
/in/foo.cc:13:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(int j=1;j<=i-1;j++)
   ^~~
/in/foo.cc:16:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     b[i]=maxn+1;
     ^