View Compilation Error

0_0_20491730_376.cpp: In function 'int main()':
0_0_20491730_376.cpp:133:3: error: 'll' was not declared in this scope
   ll tot = 0; 
   ^
0_0_20491730_376.cpp:148:5: error: 'tot' was not declared in this scope
     tot = (tot + (ll)(lst_ans = query(1, 0, n - 1, 0, l, r)) * (i + 1)) % MOD; 
     ^
0_0_20491730_376.cpp:152:20: error: 'tot' was not declared in this scope
   printf("%lld\n", tot);
                    ^