View Compilation Error

0_0_29229381_9387.cpp: In function 'int main()':
0_0_29229381_9387.cpp:33:74: error: 'd' was not declared in this scope
                     dp[s|(1<<(i-1))][i]=min(dp[s|(1<<(i-1))][i],dp[s][j]+d[j][i]);
                                                                          ^
0_0_29229381_9387.cpp:39:41: error: 'd' was not declared in this scope
             ans=min(ans,dp[(1<<n)-1][i]+d[i][1]);
                                         ^