View Compilation Error

0_0_21400616_3118.cpp: In function 'int main()':
0_0_21400616_3118.cpp:27:3: error: 'll' was not declared in this scope
   ll ans = 0;
   ^
0_0_21400616_3118.cpp:30:58: error: 'ans' was not declared in this scope
     if (check (p[i], p[j], 1) && check (p[j], p[i], -1)) ans++;
                                                          ^
0_0_21400616_3118.cpp:31:58: error: 'ans' was not declared in this scope
     if (check (p[i], p[j], -1) && check (p[j], p[i], 1)) ans++;
                                                          ^
0_0_21400616_3118.cpp:33:3: error: 'ans' was not declared in this scope
   ans /= 4;
   ^