View Compilation Error

0_0_15664551_22648.cpp: In function 'int main()':
0_0_15664551_22648.cpp:13:9: error: 'arr' was not declared in this scope
    cin>>arr[i];
         ^
0_0_15664551_22648.cpp:18:4: error: 'dp' was not declared in this scope
    dp[0][i] = 0;
    ^
0_0_15664551_22648.cpp:26:5: error: 'dp' was not declared in this scope
     dp[l][i] = 0;
     ^
0_0_15664551_22648.cpp:29:9: error: 'arr' was not declared in this scope
      if(arr[i]>arr[j])
         ^
0_0_15664551_22648.cpp:38:9: error: 'dp' was not declared in this scope
    sum+=dp[k][i];
         ^