View Compilation Error

0_0_16214863_15499.cpp: In function 'int main()':
0_0_16214863_15499.cpp:69:42: error: invalid conversion from 'LL* {aka long long int*}' to 'size_t {aka long long unsigned int}' [-fpermissive]
             memset(f[(i+1)&1],0,f[(i+1)&1]);
                                          ^
In file included from 0_0_16214863_15499.cpp:3:0:
GCC4.9.2/x86_64-w64-mingw32/include/string.h:43:18: note: initializing argument 3 of 'void* memset(void*, int, size_t)'
   void * __cdecl memset(void *_Dst,int _Val,size_t _Size);
                  ^
0_0_16214863_15499.cpp:89:35: error: invalid types 'int[int]' for array subscript
             answer[cnt]+=dp[m&1][i];
                                   ^