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View Compilation Error

0_0_31309204_23300.cpp: In function 'int main()':
0_0_31309204_23300.cpp:16:23: error: 'sacanf' was not declared in this scope
   sacanf("%d %d",&N,&W);
                       ^
0_0_31309204_23300.cpp:20:3: error: expected ';' before 'int'
   int* w = new int[N];
   ^
0_0_31309204_23300.cpp:22:15: error: 'w' was not declared in this scope
   scanf("%d",&w[i]);
               ^
0_0_31309204_23300.cpp:23:3: error: 'vector' was not declared in this scope
   vector<int>* dp(W+1,0);
   ^
0_0_31309204_23300.cpp:23:3: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_31309204_23300.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:214:11: note:   'std::vector'
     class vector : protected _Vector_base<_Tp, _Alloc>
           ^
0_0_31309204_23300.cpp:23:10: error: expected primary-expression before 'int'
   vector<int>* dp(W+1,0);
          ^
0_0_31309204_23300.cpp:25:21: error: 'w' was not declared in this scope
   for(int j = W;j >=w[i];j--)
                     ^
0_0_31309204_23300.cpp:26:3: error: 'dp' was not declared in this scope
   dp[j] = max(dp[j],dp[j-w[i]]+v[i]);
   ^
0_0_31309204_23300.cpp:26:36: error: 'max' was not declared in this scope
   dp[j] = max(dp[j],dp[j-w[i]]+v[i]);
                                    ^
0_0_31309204_23300.cpp:26:36: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from 0_0_31309204_23300.cpp:8:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3454:5: note:   'std::max'
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^
0_0_31309204_23300.cpp:27:15: error: 'dp' was not declared in this scope
   printf("%d",dp[W]);
               ^


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