View Compilation Error

0_0_22412105_20638.cpp: In function 'int main(int, char**)':
0_0_22412105_20638.cpp:25:14: error: 't' was not declared in this scope
  std::cin >> t;
              ^
0_0_22412105_20638.cpp:27:10: error: 'lis' was not declared in this scope
   memset(lis, 0, sizeof(lis));
          ^
0_0_22412105_20638.cpp:28:10: error: 'lds' was not declared in this scope
   memset(lds, 0, sizeof(lds));
          ^
0_0_22412105_20638.cpp:29:20: error: 'k' was not declared in this scope
   std::cin >> n >> k;
                    ^