View Compilation Error

0_0_35156998_10689.cpp: In function 'int main()':
0_0_35156998_10689.cpp:23:60: error: 'c' was not declared in this scope
                 dp[i][j] = max(dp[i-1][j], dp[i-1][j-w[i]]+c[i]);
                                                            ^