답안 #973265

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
973265	2024-05-01T16:56:50 Z	SeenSiravit	Knapsack (NOI18_knapsack)	C++14	100 / 100	54 ms	3920 KB

knapsack

#include<bits/stdc++.h>
#define ll long long

using namespace std;

const int mxN = 1e5 + 5 , mxS = 2e3 + 5;

int n,s;
vector<pair<int,int>> bag[mxS];
ll dp[mxS];

int main(){

    scanf("%d %d",&s,&n);

    for(int i=1;i<=n;i++){
        int v,w,k;
        scanf("%d %d %d",&v,&w,&k);

        bag[w].push_back({v , min(k , s/w)});
    }

    for(int w=1;w<=s;w++) sort(bag[w].begin() , bag[w].end() , greater<pair<int,int>>());

    // for(int w=1;w<=s;w++){
    //     if(bag[w].empty()) continue;
    //     printf("w = %d : " , w);
    //     for(auto [v , k] : bag[w]) printf("%d %d , " , v , k);
    //     printf("\n");
    // }

    for(int w=1;w<=s;w++){
        if(bag[w].empty()) continue;

        int lim_k = s / w;
        int curr = bag[w][0].second , idx = 0;

        for(int k=1;k<=lim_k;k++){
            for(int cap=s;cap>=w;cap--) dp[cap] = max(dp[cap] , dp[cap - w] + bag[w][idx].first);

            if(k >= curr){
                idx++;
                curr += bag[w][idx].second;

                if(idx>= int(bag[w].size())) break;
            }
        }
    }

    printf("%lld" , dp[s]);

    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     scanf("%d %d",&s,&n);
      |     ~~~~~^~~~~~~~~~~~~~~
knapsack.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf("%d %d %d",&v,&w,&k);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 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	0 ms	348 KB	Output is correct
3	Correct	1 ms	484 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	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	1 ms	480 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	0 ms	348 KB	Output is correct
3	Correct	1 ms	484 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	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	1 ms	480 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	2 ms	508 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 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	1 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct

Subtask #4
24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	484 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	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	1 ms	480 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	2 ms	508 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 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	1 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	3 ms	348 KB	Output is correct
27	Correct	1 ms	504 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	352 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 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	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	484 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	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	1 ms	480 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	2 ms	508 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 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	1 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	3 ms	348 KB	Output is correct
27	Correct	1 ms	504 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	352 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 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	2516 KB	Output is correct
36	Correct	31 ms	2668 KB	Output is correct
37	Correct	30 ms	2308 KB	Output is correct
38	Correct	26 ms	2900 KB	Output is correct
39	Correct	29 ms	3464 KB	Output is correct
40	Correct	54 ms	3920 KB	Output is correct
41	Correct	35 ms	2908 KB	Output is correct
42	Correct	36 ms	2976 KB	Output is correct
43	Correct	45 ms	2832 KB	Output is correct
44	Correct	45 ms	2900 KB	Output is correct
45	Correct	28 ms	3664 KB	Output is correct
46	Correct	25 ms	3268 KB	Output is correct
47	Correct	31 ms	3664 KB	Output is correct
48	Correct	36 ms	3464 KB	Output is correct
49	Correct	23 ms	3556 KB	Output is correct
50	Correct	43 ms	3420 KB	Output is correct

답안 #973265

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