View Compilation Error

0_0_20602272_30064.cpp: In function 'int main()':
0_0_20602272_30064.cpp:17:2: error: 'LL' was not declared in this scope
  LL n, dp[MAXN][2];
  ^
0_0_20602272_30064.cpp:19:2: error: 'dp' was not declared in this scope
  dp[1] = 3;
  ^
0_0_20602272_30064.cpp:26:24: error: 'n' was not declared in this scope
  while (scanf("%lld", &n) != EOF) {
                        ^