View Compilation Error

0_0_24040735_2388.cpp: In function 'int main()':
0_0_24040735_2388.cpp:10:2: error: 'cin' was not declared in this scope
  cin >> T;
  ^
0_0_24040735_2388.cpp:25:27: error: 'memset' was not declared in this scope
   memset(dp, 0, sizeof(dp));
                           ^
0_0_24040735_2388.cpp:30:55: error: 'max' was not declared in this scope
     dp[j] = max(dp[j], dp[j - bone[i][1]] + bone[i][0]);
                                                       ^
0_0_24040735_2388.cpp:34:3: error: 'cout' was not declared in this scope
   cout << dp[v] << endl;
   ^
0_0_24040735_2388.cpp:34:20: error: 'endl' was not declared in this scope
   cout << dp[v] << endl;
                    ^