View Compilation Error

0_0_37988490_14822.cpp: In function 'void dfs(long long int)':
0_0_37988490_14822.cpp:24:5: error: 'dp' was not declared in this scope
     dp[x] = ans;
     ^
0_0_37988490_14822.cpp: In function 'int main()':
0_0_37988490_14822.cpp:56:30: error: 'dp' was not declared in this scope
                 ans1 = (ans1+dp[j]*k1[j]%mod1)%mod1;
                              ^