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Submission #695240

# Submission time Handle Problem Language Result Execution time Memory
695240 2023-02-04T20:13:10 Z TAhmed33 Knapsack (NOI18_knapsack) C++
100 / 100
 166 ms 19564 KB 
#include <bits/stdc++.h>
using namespace std;
vector <vector <pair <int, int>>> arr(2001);
int n, W; 
bool compare (pair <int, int> a, pair <int, int> b) {
	return a.first > b.first; //value
}
int dp[2001][2001];
int ans (int pos, int weight) {
	int &ret = dp[pos][weight];
	if (ret != -1) return ret;
	if (weight == 0 || pos == 0) return ret = 0;
	int sum = 0;
	int w = 0;
	int pp = ans(pos - 1, weight);
	for (auto i : arr[pos]) {
		int val = i.first;
		int amnt = i.second;
		while (amnt--) {
			sum += val;
			w += pos;
			if (w > weight) {
				return ret = pp;
			}
			pp = max(pp, sum + ans(pos - 1, weight - w));
		}
	}
	return ret = pp;
}
int main () {
	memset (dp, -1, sizeof(dp));
	cin >> W >> n;
	for (int i = 1; i <= n; i++) {
		int a, b, c;
		cin >> a >> b >> c;
		arr[b].push_back({a, c});
	}
	for (int i = 1; i <= 2000; i++) {
		sort(arr[i].begin(), arr[i].end(), compare);
	}
	cout << ans(2000, W) << endl;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16212 KB Output is correct
2 Correct 7 ms 16212 KB Output is correct
3 Correct 7 ms 16212 KB Output is correct
4 Correct 6 ms 16148 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 16248 KB Output is correct
2 Correct 7 ms 16144 KB Output is correct
3 Correct 7 ms 16268 KB Output is correct
4 Correct 7 ms 16216 KB Output is correct
5 Correct 6 ms 16212 KB Output is correct
6 Correct 15 ms 16260 KB Output is correct
7 Correct 15 ms 16268 KB Output is correct
8 Correct 18 ms 16212 KB Output is correct
9 Correct 17 ms 16212 KB Output is correct
10 Correct 15 ms 16212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 16248 KB Output is correct
2 Correct 7 ms 16144 KB Output is correct
3 Correct 7 ms 16268 KB Output is correct
4 Correct 7 ms 16216 KB Output is correct
5 Correct 6 ms 16212 KB Output is correct
6 Correct 15 ms 16260 KB Output is correct
7 Correct 15 ms 16268 KB Output is correct
8 Correct 18 ms 16212 KB Output is correct
9 Correct 17 ms 16212 KB Output is correct
10 Correct 15 ms 16212 KB Output is correct
11 Correct 8 ms 16144 KB Output is correct
12 Correct 9 ms 16212 KB Output is correct
13 Correct 7 ms 16144 KB Output is correct
14 Correct 7 ms 16260 KB Output is correct
15 Correct 7 ms 16148 KB Output is correct
16 Correct 15 ms 16144 KB Output is correct
17 Correct 15 ms 16264 KB Output is correct
18 Correct 19 ms 16144 KB Output is correct
19 Correct 16 ms 16212 KB Output is correct
20 Correct 14 ms 16148 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16212 KB Output is correct
2 Correct 7 ms 16212 KB Output is correct
3 Correct 7 ms 16212 KB Output is correct
4 Correct 6 ms 16148 KB Output is correct
5 Correct 6 ms 16248 KB Output is correct
6 Correct 7 ms 16144 KB Output is correct
7 Correct 7 ms 16268 KB Output is correct
8 Correct 7 ms 16216 KB Output is correct
9 Correct 6 ms 16212 KB Output is correct
10 Correct 15 ms 16260 KB Output is correct
11 Correct 15 ms 16268 KB Output is correct
12 Correct 18 ms 16212 KB Output is correct
13 Correct 17 ms 16212 KB Output is correct
14 Correct 15 ms 16212 KB Output is correct
15 Correct 8 ms 16144 KB Output is correct
16 Correct 9 ms 16212 KB Output is correct
17 Correct 7 ms 16144 KB Output is correct
18 Correct 7 ms 16260 KB Output is correct
19 Correct 7 ms 16148 KB Output is correct
20 Correct 15 ms 16144 KB Output is correct
21 Correct 15 ms 16264 KB Output is correct
22 Correct 19 ms 16144 KB Output is correct
23 Correct 16 ms 16212 KB Output is correct
24 Correct 14 ms 16148 KB Output is correct
25 Correct 7 ms 16180 KB Output is correct
26 Correct 7 ms 16148 KB Output is correct
27 Correct 8 ms 16164 KB Output is correct
28 Correct 9 ms 16140 KB Output is correct
29 Correct 7 ms 16340 KB Output is correct
30 Correct 15 ms 16144 KB Output is correct
31 Correct 16 ms 16268 KB Output is correct
32 Correct 17 ms 16144 KB Output is correct
33 Correct 16 ms 16152 KB Output is correct
34 Correct 15 ms 16196 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16212 KB Output is correct
2 Correct 7 ms 16212 KB Output is correct
3 Correct 7 ms 16212 KB Output is correct
4 Correct 6 ms 16148 KB Output is correct
5 Correct 6 ms 16248 KB Output is correct
6 Correct 7 ms 16144 KB Output is correct
7 Correct 7 ms 16268 KB Output is correct
8 Correct 7 ms 16216 KB Output is correct
9 Correct 6 ms 16212 KB Output is correct
10 Correct 15 ms 16260 KB Output is correct
11 Correct 15 ms 16268 KB Output is correct
12 Correct 18 ms 16212 KB Output is correct
13 Correct 17 ms 16212 KB Output is correct
14 Correct 15 ms 16212 KB Output is correct
15 Correct 8 ms 16144 KB Output is correct
16 Correct 9 ms 16212 KB Output is correct
17 Correct 7 ms 16144 KB Output is correct
18 Correct 7 ms 16260 KB Output is correct
19 Correct 7 ms 16148 KB Output is correct
20 Correct 15 ms 16144 KB Output is correct
21 Correct 15 ms 16264 KB Output is correct
22 Correct 19 ms 16144 KB Output is correct
23 Correct 16 ms 16212 KB Output is correct
24 Correct 14 ms 16148 KB Output is correct
25 Correct 7 ms 16180 KB Output is correct
26 Correct 7 ms 16148 KB Output is correct
27 Correct 8 ms 16164 KB Output is correct
28 Correct 9 ms 16140 KB Output is correct
29 Correct 7 ms 16340 KB Output is correct
30 Correct 15 ms 16144 KB Output is correct
31 Correct 16 ms 16268 KB Output is correct
32 Correct 17 ms 16144 KB Output is correct
33 Correct 16 ms 16152 KB Output is correct
34 Correct 15 ms 16196 KB Output is correct
35 Correct 70 ms 18184 KB Output is correct
36 Correct 78 ms 18412 KB Output is correct
37 Correct 74 ms 18212 KB Output is correct
38 Correct 81 ms 18524 KB Output is correct
39 Correct 101 ms 19368 KB Output is correct
40 Correct 166 ms 19468 KB Output is correct
41 Correct 121 ms 18620 KB Output is correct
42 Correct 126 ms 18740 KB Output is correct
43 Correct 162 ms 18688 KB Output is correct
44 Correct 121 ms 18648 KB Output is correct
45 Correct 99 ms 19564 KB Output is correct
46 Correct 90 ms 19008 KB Output is correct
47 Correct 110 ms 19476 KB Output is correct
48 Correct 121 ms 19388 KB Output is correct
49 Correct 106 ms 19276 KB Output is correct
50 Correct 114 ms 19116 KB Output is correct