View Compilation Error

0_0_18749233_11191.cpp: In function 'void mul()':
0_0_18749233_11191.cpp:29:68: error: 'aw' was not declared in this scope
    for (int j=v[i];j<=m;j++) f[j]=max(f[j],f[j-num[i]*v[i]]+num[i]*aw[i]);
                                                                    ^