View Compilation Error

0_0_34037313_27808.cpp: In function 'int dfs(int, bool, bool, int)':
0_0_34037313_27808.cpp:59:37: error: 'FA' was not declared in this scope
     if (!limit && !zero && ~dp[pos][FA-sum])return dp[pos][FA-sum];
                                     ^
0_0_34037313_27808.cpp:66:33: error: 'FA' was not declared in this scope
     if (!limit && !zero)dp[pos][FA-sum] = res;
                                 ^