Submission #881626

#	Time	Username	Problem	Language	Result	Execution time	Memory
881626		dilanyan	Knapsack (NOI18_knapsack)	C++17	73 / 100	1057 ms	3932 KiB

knapsack

//-------------dilanyan------------\\ 
 
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<stdio.h>
using namespace std;

//------------------KarginDefines--------------------\\ 

#define ll long long
#define pb push_back
#define all(u) (u).begin(), (u).end()
#define pqueue priority_queue
#define upper upper_bound
#define lower lower_bound
#define umap unordered_map
#define uset unordered_set
#define Kargin ios_base::sync_with_stdio(false);cin.tie(NULL);
#define Usaco freopen(".in", "r", stdin); freopen(".out", "w", stdout);


//-------------------KarginConstants------------------\\ 
 
const int mod = 998244353;
const int inf = 1e9;

//-------------------KarginCode------------------------\\ 
 
const int N = 100005, M = 2005;
ll v[N], w[N], k[N];
ll dp[2][M];

void KarginSolve() {
    ll s, n;
    cin >> s >> n;
    for (int i = 0; i < n;i++) {
        cin >> v[i] >> w[i] >> k[i];
        k[i] = min(k[i], s / w[i]);
    }
    int prev = 0, cur = 1;
    for (int i = 0;i < n;i++) {
        for (int j = s;j >= 0;j--) {
            dp[cur][j] = dp[prev][j];
            for (int x = 1;x <= k[i];x++) {
                if (x * w[i] + j <= s) dp[cur][j + x * w[i]] = max(dp[cur][j + x * w[i]], dp[prev][j] + x * v[i]);
            }
        }
        swap(cur, prev);
    }
    ll ans = 0;
    for (int i = 0; i <= s;i++) ans = max(ans, dp[prev][i]);
    cout << ans << '\n';
}

int main() {
    //Usaco
    Kargin;
    int test = 1;
    //cin >> test;
    while (test--) {
        KarginSolve();
    }
    return 0;
} 

Compilation message (stderr)

knapsack.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //-------------dilanyan------------\\
      | ^
knapsack.cpp:8:1: warning: multi-line comment [-Wcomment]
    8 | //------------------KarginDefines--------------------\\
      | ^
knapsack.cpp:22:1: warning: multi-line comment [-Wcomment]
   22 | //-------------------KarginConstants------------------\\
      | ^
knapsack.cpp:27:1: warning: multi-line comment [-Wcomment]
   27 | //-------------------KarginCode------------------------\\
      | ^

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