View Compilation Error

0_0_38989259_19925.cpp:1:1: error: 'LL' does not name a type
    1 | LL PowMod(LL a,LL b,LL MOD){//快速幂
      | ^~
0_0_38989259_19925.cpp:10:1: error: 'LL' does not name a type
   10 | LL fac[100005];
      | ^~
0_0_38989259_19925.cpp:11:1: error: 'LL' does not name a type
   11 | LL Get_Fact(LL p){//初始化
      | ^~
0_0_38989259_19925.cpp:16:1: error: 'LL' does not name a type
   16 | LL Lucas(LL n,LL m,LL p){//Lucas 定理
      | ^~