Submission #1108324

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108324		expert007	Knapsack (NOI18_knapsack)	C++14	Compilation error	0 ms	0 KiB

knapsack

void solve() {
    int s, n;
    cin >> s >> n;
    
    vector<int> v(n), w(n), k(n);
    for (int i = 0; i < n; i++) {
        cin >> v[i] >> w[i] >> k[i];
    }
    
    if (n == 1) {  
        int maxi = 0;  
        
        for (int i = 1; i <= k[0]; i++) {
            int total_weight = w[0] * i;
            int total_value = v[0] * i;
            
            if (total_weight <= s) {
                maxi = max(maxi, total_value); 
            } else {
                break;
            }
        }
        cout << maxi << endl;
    }
}

Compilation message (stderr)

knapsack.cpp: In function 'void solve()':
knapsack.cpp:3:5: error: 'cin' was not declared in this scope
    3 |     cin >> s >> n;
      |     ^~~
knapsack.cpp:5:5: error: 'vector' was not declared in this scope
    5 |     vector<int> v(n), w(n), k(n);
      |     ^~~~~~
knapsack.cpp:5:12: error: expected primary-expression before 'int'
    5 |     vector<int> v(n), w(n), k(n);
      |            ^~~
knapsack.cpp:7:16: error: 'v' was not declared in this scope
    7 |         cin >> v[i] >> w[i] >> k[i];
      |                ^
knapsack.cpp:7:24: error: 'w' was not declared in this scope
    7 |         cin >> v[i] >> w[i] >> k[i];
      |                        ^
knapsack.cpp:7:32: error: 'k' was not declared in this scope
    7 |         cin >> v[i] >> w[i] >> k[i];
      |                                ^
knapsack.cpp:13:30: error: 'k' was not declared in this scope
   13 |         for (int i = 1; i <= k[0]; i++) {
      |                              ^
knapsack.cpp:14:32: error: 'w' was not declared in this scope
   14 |             int total_weight = w[0] * i;
      |                                ^
knapsack.cpp:15:31: error: 'v' was not declared in this scope
   15 |             int total_value = v[0] * i;
      |                               ^
knapsack.cpp:18:24: error: 'max' was not declared in this scope; did you mean 'maxi'?
   18 |                 maxi = max(maxi, total_value);
      |                        ^~~
      |                        maxi
knapsack.cpp:23:9: error: 'cout' was not declared in this scope
   23 |         cout << maxi << endl;
      |         ^~~~
knapsack.cpp:23:25: error: 'endl' was not declared in this scope
   23 |         cout << maxi << endl;
      |                         ^~~~