Submission #956271

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
956271	2024-04-01T12:55:07 Z	haileyy	Knapsack (NOI18_knapsack)	C++14	100 / 100	55 ms	3924 KB

knapsack

//https://oj.uz/problem/view/NOI18_knapsack
#include <bits/stdc++.h>

#define loop(i, l, r) for(int i = (l); i < (r); ++i)
#define pool(i, l, r) for(int i = (l); i > (r); --i)
#define debug(x) cerr << #x << ": " << x << endl;
using namespace std;
int n,s;
const int MAXS = 2005;
long long dp[MAXS];
map<int,vector<pair<int,int>>> items;
bool cmp(pair<int,int> a,pair<int,int> b){
    return a.first>b.first;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>s>>n;
    long long v,w,k;
    loop(i,0,n){
        cin>>v>>w>>k;
        items[w].push_back({v,k});
    }
    for(auto& i:items){
        vector<pair<int,int>>& a = i.second;
        sort(a.begin(),a.end(),cmp);

        pool(j,s,-1){
            int value = 0;
            int c = 0;
            int count = 0;
            int l = 1;
            while(c<a.size()){
                w = l*i.first;
                if(j>=w){
                    value+=a[c].first;
                    count++;
                    if(count>=a[c].second){
                        c++;
                        count = 0;
                    }
                    dp[j] = max(dp[j],dp[j-w]+value);
                }else{
                    break;
                }
                l++;
            }
        }
    }
    cout<<dp[s]<<endl;
    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             while(c<a.size()){
      |                   ~^~~~~~~~~

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	352 KB	Output is correct
4	Correct	1 ms	352 KB	Output is correct

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	1 ms	356 KB	Output is correct
4	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	1 ms	356 KB	Output is correct
4	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	360 KB	Output is correct
18	Correct	1 ms	360 KB	Output is correct
19	Correct	1 ms	356 KB	Output is correct
20	Correct	1 ms	352 KB	Output is correct

Subtask #4
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	352 KB	Output is correct
4	Correct	1 ms	352 KB	Output is correct
5	Correct	0 ms	352 KB	Output is correct
6	Correct	1 ms	352 KB	Output is correct
7	Correct	1 ms	356 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	360 KB	Output is correct
22	Correct	1 ms	360 KB	Output is correct
23	Correct	1 ms	356 KB	Output is correct
24	Correct	1 ms	352 KB	Output is correct
25	Correct	0 ms	360 KB	Output is correct
26	Correct	3 ms	480 KB	Output is correct
27	Correct	1 ms	360 KB	Output is correct
28	Correct	0 ms	612 KB	Output is correct
29	Correct	1 ms	360 KB	Output is correct
30	Correct	1 ms	360 KB	Output is correct
31	Correct	1 ms	360 KB	Output is correct
32	Correct	1 ms	360 KB	Output is correct
33	Correct	1 ms	360 KB	Output is correct
34	Correct	1 ms	360 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	352 KB	Output is correct
4	Correct	1 ms	352 KB	Output is correct
5	Correct	0 ms	352 KB	Output is correct
6	Correct	1 ms	352 KB	Output is correct
7	Correct	1 ms	356 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	360 KB	Output is correct
22	Correct	1 ms	360 KB	Output is correct
23	Correct	1 ms	356 KB	Output is correct
24	Correct	1 ms	352 KB	Output is correct
25	Correct	0 ms	360 KB	Output is correct
26	Correct	3 ms	480 KB	Output is correct
27	Correct	1 ms	360 KB	Output is correct
28	Correct	0 ms	612 KB	Output is correct
29	Correct	1 ms	360 KB	Output is correct
30	Correct	1 ms	360 KB	Output is correct
31	Correct	1 ms	360 KB	Output is correct
32	Correct	1 ms	360 KB	Output is correct
33	Correct	1 ms	360 KB	Output is correct
34	Correct	1 ms	360 KB	Output is correct
35	Correct	26 ms	2280 KB	Output is correct
36	Correct	27 ms	2536 KB	Output is correct
37	Correct	26 ms	2280 KB	Output is correct
38	Correct	26 ms	2712 KB	Output is correct
39	Correct	29 ms	3532 KB	Output is correct
40	Correct	54 ms	3924 KB	Output is correct
41	Correct	44 ms	3152 KB	Output is correct
42	Correct	55 ms	3152 KB	Output is correct
43	Correct	52 ms	3156 KB	Output is correct
44	Correct	51 ms	3164 KB	Output is correct
45	Correct	39 ms	3656 KB	Output is correct
46	Correct	22 ms	3308 KB	Output is correct
47	Correct	33 ms	3668 KB	Output is correct
48	Correct	41 ms	3796 KB	Output is correct
49	Correct	23 ms	3420 KB	Output is correct
50	Correct	43 ms	3428 KB	Output is correct

Submission #956271

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 17.0 / 17.0

Subtask #3 20.0 / 20.0

Subtask #4 24.0 / 24.0

Subtask #5 27.0 / 27.0

Subtask #1
12.0 / 12.0

Subtask #2
17.0 / 17.0

Subtask #3
20.0 / 20.0

Subtask #4
24.0 / 24.0

Subtask #5
27.0 / 27.0