/in/foo.cc: In function 'int main()':
/in/foo.cc:18:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(j>m) j=1;
     ^~
/in/foo.cc:19:6: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
      q[j]+=a[i];
      ^