/in/foo.cc: In function 'int main()':
/in/foo.cc:84:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    if(ll<=0)ll=1;if(rr>m)rr=m;
    ^~
/in/foo.cc:84:18: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    if(ll<=0)ll=1;if(rr>m)rr=m;
                  ^~
/in/foo.cc: In function 'int query2(int, int, int, int)':
/in/foo.cc:67:14: warning: 'ans2' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return ans1+ans2;
              ^~~~
/in/foo.cc:67:14: warning: 'ans1' may be used uninitialized in this function [-Wmaybe-uninitialized]