답안 #138923

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
138923	2019-07-31T00:05:23 Z	zoooma13	Cake 3 (JOI19_cake3)	C++14	24 / 100	4000 ms	5536 KB

cake3

#include <bits/stdc++.h>
using namespace std;

#define pii pair<int ,int>
#define c first
#define v second

int n ,m;
vector <pii> pcs;

long long query(int i ,int j){
    long long ret = -2*(pcs[j].c-pcs[i].c)+pcs[i].v+pcs[j].v;
    priority_queue <long long> pq;
    for(int k=i+1; k<j; k++)
        pq.push(pcs[k].v);
    for(int k=2; k<m; k++)
        ret += pq.top() ,pq.pop();
    return ret;
}

long long ans = -1e18;
void solve(int l ,int r ,int i ,int j){
    if(j < i) return;

    int mid = (i+j)>>1;
    long long opt_v = -1e18 ,curr;
    int opt_k = l;
    for(int k=l; k<=r; k++){
        if(k > mid-m+1)
            break;
        curr = query(k ,mid);
        if(curr >= opt_v){
            opt_v = curr;
            opt_k = k;
        }
    }

    ans = max(ans ,opt_v);
    solve(l ,opt_k ,i ,mid-1);
    solve(opt_k ,r ,mid+1 ,j);
}

int main()
{
    scanf("%d%d",&n,&m);
    for(int a,b,i=0; i<n; i++){
        scanf("%d%d",&a,&b);
        pcs.push_back({b,a});
    }

    sort(pcs.begin() ,pcs.end());
    solve(0 ,n-1 ,m-1 ,n-1);
    printf("%lld",ans);
}

Compilation message

cake3.cpp: In function 'int main()':
cake3.cpp:45:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
cake3.cpp:47:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a,&b);
         ~~~~~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	368 KB	Output is correct
2	Correct	3 ms	256 KB	Output is correct
3	Correct	3 ms	256 KB	Output is correct
4	Correct	3 ms	256 KB	Output is correct
5	Correct	3 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	3 ms	256 KB	Output is correct
8	Correct	3 ms	256 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	3 ms	256 KB	Output is correct
13	Correct	3 ms	256 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	256 KB	Output is correct
17	Correct	3 ms	380 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	2 ms	252 KB	Output is correct
21	Correct	2 ms	252 KB	Output is correct
22	Correct	3 ms	364 KB	Output is correct
23	Correct	3 ms	256 KB	Output is correct
24	Correct	2 ms	380 KB	Output is correct
25	Correct	3 ms	256 KB	Output is correct
26	Correct	2 ms	256 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	3 ms	376 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	3 ms	256 KB	Output is correct
31	Correct	3 ms	256 KB	Output is correct
32	Correct	3 ms	376 KB	Output is correct
33	Correct	3 ms	256 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	256 KB	Output is correct
36	Correct	2 ms	256 KB	Output is correct
37	Correct	2 ms	256 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	368 KB	Output is correct
2	Correct	3 ms	256 KB	Output is correct
3	Correct	3 ms	256 KB	Output is correct
4	Correct	3 ms	256 KB	Output is correct
5	Correct	3 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	3 ms	256 KB	Output is correct
8	Correct	3 ms	256 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	3 ms	256 KB	Output is correct
13	Correct	3 ms	256 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	256 KB	Output is correct
17	Correct	3 ms	380 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	2 ms	252 KB	Output is correct
21	Correct	2 ms	252 KB	Output is correct
22	Correct	3 ms	364 KB	Output is correct
23	Correct	3 ms	256 KB	Output is correct
24	Correct	2 ms	380 KB	Output is correct
25	Correct	3 ms	256 KB	Output is correct
26	Correct	2 ms	256 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	3 ms	376 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	3 ms	256 KB	Output is correct
31	Correct	3 ms	256 KB	Output is correct
32	Correct	3 ms	376 KB	Output is correct
33	Correct	3 ms	256 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	256 KB	Output is correct
36	Correct	2 ms	256 KB	Output is correct
37	Correct	2 ms	256 KB	Output is correct
38	Correct	924 ms	408 KB	Output is correct
39	Correct	1114 ms	412 KB	Output is correct
40	Correct	971 ms	404 KB	Output is correct
41	Correct	924 ms	400 KB	Output is correct
42	Correct	664 ms	404 KB	Output is correct
43	Correct	803 ms	400 KB	Output is correct
44	Correct	780 ms	400 KB	Output is correct
45	Correct	838 ms	404 KB	Output is correct
46	Correct	873 ms	404 KB	Output is correct
47	Correct	734 ms	400 KB	Output is correct
48	Correct	719 ms	408 KB	Output is correct
49	Correct	875 ms	416 KB	Output is correct
50	Correct	879 ms	408 KB	Output is correct
51	Correct	836 ms	400 KB	Output is correct
52	Correct	755 ms	404 KB	Output is correct
53	Correct	813 ms	376 KB	Output is correct
54	Correct	593 ms	404 KB	Output is correct
55	Correct	472 ms	504 KB	Output is correct
56	Correct	441 ms	408 KB	Output is correct
57	Correct	513 ms	376 KB	Output is correct
58	Correct	466 ms	512 KB	Output is correct
59	Correct	136 ms	504 KB	Output is correct
60	Correct	239 ms	396 KB	Output is correct
61	Correct	157 ms	404 KB	Output is correct
62	Correct	172 ms	296 KB	Output is correct
63	Correct	425 ms	400 KB	Output is correct
64	Correct	163 ms	484 KB	Output is correct
65	Correct	721 ms	376 KB	Output is correct
66	Correct	720 ms	504 KB	Output is correct
67	Correct	731 ms	504 KB	Output is correct
68	Correct	883 ms	400 KB	Output is correct
69	Correct	837 ms	404 KB	Output is correct
70	Correct	771 ms	408 KB	Output is correct
71	Correct	324 ms	376 KB	Output is correct
72	Correct	474 ms	504 KB	Output is correct
73	Correct	274 ms	508 KB	Output is correct
74	Correct	3 ms	376 KB	Output is correct

Subtask #3
0 / 76.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	368 KB	Output is correct
2	Correct	3 ms	256 KB	Output is correct
3	Correct	3 ms	256 KB	Output is correct
4	Correct	3 ms	256 KB	Output is correct
5	Correct	3 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	3 ms	256 KB	Output is correct
8	Correct	3 ms	256 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	3 ms	256 KB	Output is correct
13	Correct	3 ms	256 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	256 KB	Output is correct
17	Correct	3 ms	380 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	2 ms	252 KB	Output is correct
21	Correct	2 ms	252 KB	Output is correct
22	Correct	3 ms	364 KB	Output is correct
23	Correct	3 ms	256 KB	Output is correct
24	Correct	2 ms	380 KB	Output is correct
25	Correct	3 ms	256 KB	Output is correct
26	Correct	2 ms	256 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	3 ms	376 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	3 ms	256 KB	Output is correct
31	Correct	3 ms	256 KB	Output is correct
32	Correct	3 ms	376 KB	Output is correct
33	Correct	3 ms	256 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	256 KB	Output is correct
36	Correct	2 ms	256 KB	Output is correct
37	Correct	2 ms	256 KB	Output is correct
38	Correct	924 ms	408 KB	Output is correct
39	Correct	1114 ms	412 KB	Output is correct
40	Correct	971 ms	404 KB	Output is correct
41	Correct	924 ms	400 KB	Output is correct
42	Correct	664 ms	404 KB	Output is correct
43	Correct	803 ms	400 KB	Output is correct
44	Correct	780 ms	400 KB	Output is correct
45	Correct	838 ms	404 KB	Output is correct
46	Correct	873 ms	404 KB	Output is correct
47	Correct	734 ms	400 KB	Output is correct
48	Correct	719 ms	408 KB	Output is correct
49	Correct	875 ms	416 KB	Output is correct
50	Correct	879 ms	408 KB	Output is correct
51	Correct	836 ms	400 KB	Output is correct
52	Correct	755 ms	404 KB	Output is correct
53	Correct	813 ms	376 KB	Output is correct
54	Correct	593 ms	404 KB	Output is correct
55	Correct	472 ms	504 KB	Output is correct
56	Correct	441 ms	408 KB	Output is correct
57	Correct	513 ms	376 KB	Output is correct
58	Correct	466 ms	512 KB	Output is correct
59	Correct	136 ms	504 KB	Output is correct
60	Correct	239 ms	396 KB	Output is correct
61	Correct	157 ms	404 KB	Output is correct
62	Correct	172 ms	296 KB	Output is correct
63	Correct	425 ms	400 KB	Output is correct
64	Correct	163 ms	484 KB	Output is correct
65	Correct	721 ms	376 KB	Output is correct
66	Correct	720 ms	504 KB	Output is correct
67	Correct	731 ms	504 KB	Output is correct
68	Correct	883 ms	400 KB	Output is correct
69	Correct	837 ms	404 KB	Output is correct
70	Correct	771 ms	408 KB	Output is correct
71	Correct	324 ms	376 KB	Output is correct
72	Correct	474 ms	504 KB	Output is correct
73	Correct	274 ms	508 KB	Output is correct
74	Correct	3 ms	376 KB	Output is correct
75	Execution timed out	4016 ms	5536 KB	Time limit exceeded
76	Halted	0 ms	0 KB	-

답안 #138923

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 19.0 / 19.0

Subtask #3 0 / 76.0

Subtask #1
5.0 / 5.0

Subtask #2
19.0 / 19.0

Subtask #3
0 / 76.0