View Compilation Error

0_0_16997993_2035.cpp: In function 'int main()':
0_0_16997993_2035.cpp:49:49: error: 'tmp' was not declared in this scope
                             dp[t+1][x]+=dp[t][x^tmp];  
                                                 ^
0_0_16997993_2035.cpp:50:41: error: 'mod' was not declared in this scope
                             dp[t+1][x]%=mod; 
                                         ^