Submission #742593

#	Time	Username	Problem	Language	Result	Execution time	Memory
742593		shr_revs	Knapsack (NOI18_knapsack)	C++14	37 / 100	1085 ms	324 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define br cout << endl
#define sp cout << " "
#define fo(i, n) for (int i = 0; i < n; i++)
#define Fo(i, k, n) for (int i = k; k < n ? i < n : i > n; k < n ? i += 1 : i -= 1)
#define amazing ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL);
#define ff first
#define ss second
#define pb push_back
#define file_read                     \
    freopen("input.txt", "r", stdin); \
    freopen("output.txt", "w", stdout);
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<string> vs;
typedef vector<pii> vpii;
typedef vector<pll> vpl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef map<int, int> mii;
typedef map<ll, ll> mll;
int MOD = 1e9 + 7;

int main() {
    amazing;
    int s, n;
    cin >> s >> n;
    vi val(n), wt(n), num(n);
    fo(i, n) {
        cin >> val[i] >> wt[i] >> num[i];
    }
    vi dp(s+1, 0);
    fo(i, n) {
        Fo(j, 1, num[i]+1) {
            Fo(k, s, -1) {
                if(k - wt[i] >= 0)
                    dp[k] = max(dp[k], dp[k- wt[i]] + val[i]);
                else 
                    break;
            }
        // fo(i, s+1) cout << dp[i] << " ";
        // br;
        }
    }
    cout << dp[s] << endl;
    return 0;
}

• Subtask 1: 0 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 0 / 24
• Subtask 5: 0 / 27