View Compilation Error

0_0_39458226_16944.cpp: In function 'int main()':
0_0_39458226_16944.cpp:91:5: error: 'll' was not declared in this scope
   91 |     ll ans = 1ll * n * (n - 1) * (n - 2) / 6;
      |     ^~
0_0_39458226_16944.cpp:94:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   94 |         ans -= 1ll * deg[i] * (deg[i] - 1) / 2;
      |         ^~~
      |         abs
0_0_39458226_16944.cpp:96:18: error: 'ans' was not declared in this scope; did you mean 'abs'?
   96 |     std::cout << ans << '\n';
      |                  ^~~
      |                  abs