View Compilation Error

0_0_30990822_9116.cpp:15:2: error: 'll' does not name a type
  ll time;
  ^
0_0_30990822_9116.cpp: In function 'bool cmp(node, node)':
0_0_30990822_9116.cpp:19:11: error: 'struct node' has no member named 'time'
  return x.time>y.time;
           ^
0_0_30990822_9116.cpp:19:18: error: 'struct node' has no member named 'time'
  return x.time>y.time;
                  ^
0_0_30990822_9116.cpp: In function 'int main()':
0_0_30990822_9116.cpp:39:2: error: 'll' was not declared in this scope
  ll ans;
  ^
0_0_30990822_9116.cpp:48:49: error: 'struct node' has no member named 'time'
    scanf("%d%d%lld",&low[i].x,&low[i].y,&low[i].time);
                                                 ^
0_0_30990822_9116.cpp:56:3: error: 'ans' was not declared in this scope
   ans=0;
   ^
0_0_30990822_9116.cpp:61:17: error: 'struct node' has no member named 'time'
     ans+=low[i].time;
                 ^