View Compilation Error

0_0_30582732_30214.cpp: In function 'int main()':
0_0_30582732_30214.cpp:12:23: error: 'sizof' was not declared in this scope
   memset(dp,0,sizof(dp));
                       ^
0_0_30582732_30214.cpp:24:8: error: 'w' was not declared in this scope
     if(w[i]>j)
        ^
0_0_30582732_30214.cpp:27:49: error: invalid types 'int[int]' for array subscript
      dp[i][j]=max(dp[i-1][j],dp[i-1][j-w[i]]+v[i]);
                                                 ^