/in/foo.cc: In function 'void add1(ll, ll, ll, ll, ll)':
/in/foo.cc:91:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(ll i=33;i>=0;i--)
   ^~~
/in/foo.cc:97:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    return;
    ^~~~~~
/in/foo.cc: In function 'void add(ll, ll, ll, ll, ll, ll)':
/in/foo.cc:112:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(ll i=33;i>=0;i--)
   ^~~
/in/foo.cc:118:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    return;
    ^~~~~~
/in/foo.cc: In function 'void ask1(ll, ll, ll, ll, ll)':
/in/foo.cc:130:6: warning: unused variable 'cnt' [-Wunused-variable]
   ll cnt=0;
      ^~~
/in/foo.cc:135:17: warning: unused variable 'sum' [-Wunused-variable]
  ll mid=(l+r)/2,sum=0;
                 ^~~