oj.uz

답안 #975929

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
975929 2024-05-06T03:35:10 Z syxm1 Knapsack (NOI18_knapsack) C++17
100 / 100
 216 ms 247248 KB 
#include<bits/stdc++.h>
using namespace std;

using ll = long long;

#define fi first
#define se second

const int S = 2000;

ll s, n, v, w, k, id, cap;
vector<vector<ll>> dp;
vector<pair<ll, ll>> arr;
vector<vector<pair<ll,ll>>> a;

signed main() {
	cin >> s >> n;

	a.resize(S+5);

	for (int i = 0; i < n; i++) {
		cin >> v >> w >> k;
		a[w].push_back({v, k});
	}

	for (int i = 1; i < S; i++) {
		sort(a[i].rbegin(), a[i].rend());
		cap = S / i, id = 0;
		while (cap > 0 && id < (int) a[i].size()) {
			for (int j = 0; j < min(cap, a[i][id].se); j++) {
				arr.push_back({i, a[i][id].fi});
			}
			cap -= min(cap, a[i][id].se), id++;
		}
	}

	dp.assign((int) arr.size(), vector<ll>(s+5));

	for (int i = 0; i <= s; i++) {
		if (i >= arr[0].fi) dp[0][i] = arr[0].se;
	}

	for (int i = 1; i < (int) arr.size(); i++) {
		for (int j = 0; j <= s; j++) {
			dp[i][j] = dp[i-1][j];
			if (j >= arr[i].fi) dp[i][j] = max(dp[i][j], dp[i-1][j-arr[i].fi] + arr[i].se);
		}
	}

	ll ans = 0;

	for (int i = 0; i <= s; i++) {
		ans = max(ans, dp[arr.size()-1][i]);
	}

	cout << ans << '\n';
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #2
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 9 ms 15880 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 3 ms 3932 KB Output is correct
17 Correct 2 ms 1884 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 3672 KB Output is correct
20 Correct 2 ms 3420 KB Output is correct

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 1884 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 9 ms 15880 KB Output is correct
17 Correct 1 ms 1884 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 3 ms 3932 KB Output is correct
21 Correct 2 ms 1884 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 2 ms 3672 KB Output is correct
24 Correct 2 ms 3420 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 17 ms 31964 KB Output is correct
27 Correct 1 ms 1884 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 6 ms 10588 KB Output is correct
31 Correct 1 ms 1880 KB Output is correct
32 Correct 1 ms 2136 KB Output is correct
33 Correct 2 ms 3164 KB Output is correct
34 Correct 2 ms 4524 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 1884 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 9 ms 15880 KB Output is correct
17 Correct 1 ms 1884 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 3 ms 3932 KB Output is correct
21 Correct 2 ms 1884 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 2 ms 3672 KB Output is correct
24 Correct 2 ms 3420 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 17 ms 31964 KB Output is correct
27 Correct 1 ms 1884 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 6 ms 10588 KB Output is correct
31 Correct 1 ms 1880 KB Output is correct
32 Correct 1 ms 2136 KB Output is correct
33 Correct 2 ms 3164 KB Output is correct
34 Correct 2 ms 4524 KB Output is correct
35 Correct 51 ms 2504 KB Output is correct
36 Correct 79 ms 33504 KB Output is correct
37 Correct 68 ms 33456 KB Output is correct
38 Correct 55 ms 2228 KB Output is correct
39 Correct 73 ms 2108 KB Output is correct
40 Correct 216 ms 247248 KB Output is correct
41 Correct 122 ms 145104 KB Output is correct
42 Correct 133 ms 155516 KB Output is correct
43 Correct 189 ms 247192 KB Output is correct
44 Correct 174 ms 246332 KB Output is correct
45 Correct 78 ms 20052 KB Output is correct
46 Correct 70 ms 2512 KB Output is correct
47 Correct 96 ms 41972 KB Output is correct
48 Correct 123 ms 113996 KB Output is correct
49 Correct 65 ms 4180 KB Output is correct
50 Correct 138 ms 143444 KB Output is correct