View Compilation Error

0_0_24067011_21403.cpp: In function 'int main()':
0_0_24067011_21403.cpp:13:27: error: 'd' was not declared in this scope
     dp[i][j]=dp[i][j-1]+j*d[i-1][j-1];
                           ^
0_0_24067011_21403.cpp:22:17: error: 'sum' was not declared in this scope
   printf("%d\n",sum);
                 ^
0_0_24067011_21403.cpp:24:2: error: 'rturn' was not declared in this scope
  rturn 0;
  ^