oj.uz

답안 #871110

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
871110 2023-11-09T23:16:35 Z tvladm2009 Knapsack (NOI18_knapsack) C++17
100 / 100
 55 ms 4184 KB 
#include <bits/stdc++.h>
 
using i64 = long long;

std::vector<std::pair<int, int>> a[2005];
int dp[2005];

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int s, n;
    std::cin >> s >> n;
    for (int i = 1; i <= n; i++) {
        int v, w, k;
        std::cin >> v >> w >> k;
        a[w].emplace_back(std::make_pair(v, k));
    }
    std::vector<int> val, w;
    for (int step = 1; step <= 2000; step++) {
        std::sort(a[step].rbegin(), a[step].rend());
        int lim = s / step;
        for (int j = 0; j < a[step].size() && lim > 0; j++) {
            for (int j2 = 1; j2 <= a[step][j].second && lim > 0; j2++) {
                val.emplace_back(a[step][j].first);
                w.emplace_back(step);
                lim--;
            }
        }
    }

    for (int i = 0; i < val.size(); i++) {
        for (int j = s; j >= w[i]; j--) {
            dp[j] = std::max(dp[j], dp[j - w[i]] + val[i]);
        }
    }
    std::cout << dp[s] << "\n";

    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:23:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for (int j = 0; j < a[step].size() && lim > 0; j++) {
      |                         ~~^~~~~~~~~~~~~~~~
knapsack.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for (int i = 0; i < val.size(); i++) {
      |                     ~~^~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 512 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 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 508 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 508 KB Output is correct
10 Correct 0 ms 600 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 508 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 508 KB Output is correct
10 Correct 0 ms 600 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 356 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 352 KB Output is correct

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 508 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 508 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 356 KB Output is correct
23 Correct 1 ms 352 KB Output is correct
24 Correct 1 ms 352 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 4 ms 532 KB Output is correct
27 Correct 0 ms 352 KB Output is correct
28 Correct 0 ms 352 KB Output is correct
29 Correct 1 ms 352 KB Output is correct
30 Correct 2 ms 356 KB Output is correct
31 Correct 0 ms 352 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 508 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 508 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 356 KB Output is correct
23 Correct 1 ms 352 KB Output is correct
24 Correct 1 ms 352 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 4 ms 532 KB Output is correct
27 Correct 0 ms 352 KB Output is correct
28 Correct 0 ms 352 KB Output is correct
29 Correct 1 ms 352 KB Output is correct
30 Correct 2 ms 356 KB Output is correct
31 Correct 0 ms 352 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 26 ms 2524 KB Output is correct
36 Correct 30 ms 2520 KB Output is correct
37 Correct 25 ms 2524 KB Output is correct
38 Correct 23 ms 2780 KB Output is correct
39 Correct 28 ms 3492 KB Output is correct
40 Correct 55 ms 4184 KB Output is correct
41 Correct 34 ms 3160 KB Output is correct
42 Correct 51 ms 3364 KB Output is correct
43 Correct 46 ms 3212 KB Output is correct
44 Correct 46 ms 3156 KB Output is correct
45 Correct 26 ms 3932 KB Output is correct
46 Correct 26 ms 3288 KB Output is correct
47 Correct 28 ms 3704 KB Output is correct
48 Correct 36 ms 3712 KB Output is correct
49 Correct 24 ms 3420 KB Output is correct
50 Correct 45 ms 3420 KB Output is correct