View Compilation Error

0_0_37584468_25547.cpp:8:1: error: 'LL' does not name a type
 LL dp[11][11];
 ^
0_0_37584468_25547.cpp:9:1: error: 'LL' does not name a type
 LL pre[11][11];
 ^
0_0_37584468_25547.cpp:11:1: error: 'LL' does not name a type
 LL POW3(LL a,int b)
 ^
0_0_37584468_25547.cpp:23:1: error: 'LL' does not name a type
 LL C(int m,int n)
 ^
0_0_37584468_25547.cpp:31:1: error: 'LL' does not name a type
 LL solve(int n,int m)
 ^
0_0_37584468_25547.cpp: In function 'int main()':
0_0_37584468_25547.cpp:52:12: error: 'pre' was not declared in this scope
     memset(pre,-1,sizeof(pre));
            ^
0_0_37584468_25547.cpp:54:34: error: 'solve' was not declared in this scope
         printf("%lld\n",solve(n,m));
                                  ^