Submission #877724

#	Time	Username	Problem	Language	Result	Execution time	Memory
877724		Beerus13	Knapsack (NOI18_knapsack)	C++14	73 / 100	1060 ms	2908 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 1e5 + 5;

int n, S, val[N], w[N], sl[N];
int dp[2005];

void sub1234() {
    memset(dp, -0x3f, sizeof(dp));
    dp[0] = 0;
    for(int i = 1; i <= n; ++i) {
        for(int j = min(sl[i], S / w[i]); j >= 1; --j) {
            for(int k = S; k >= w[i]; --k) {
                dp[k] = max(dp[k], dp[k - w[i]] + val[i]);
            }
        }
    }
    int ans = 0;
    for(int i = 1; i <= S; ++i) ans = max(ans, dp[i]);
    cout << ans;
    exit(0);
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> S >> n;
    for(int i = 1; i <= n; ++i) {
        cin >> val[i] >> w[i] >> sl[i];
    }
    sub1234();
    return 0;
}

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