답안 #941859

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
941859	2024-03-09T15:19:07 Z	LCJLY	A Difficult(y) Choice (BOI21_books)	C++14	100 / 100	1 ms	1524 KB

books

#include <bits/stdc++.h>
 
#include "books.h"
 
using namespace std;
 
//code
//skim() impossible() answer({});
#include <bits/stdc++.h>
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;

long long memo[100005];

long long ask(int n){
	if(memo[n]!=-1) return memo[n];
	return memo[n]=skim(n);
}
 
void solve(int n, int k, long long a, int s) {
	memset(memo,-1,sizeof(memo));
	long long hold=ask(n);
	vector<int>v;
	if(hold>=a){
		long long counter=0;
		for(int x=1;x<k;x++){
			//v.push_back(x);
			counter+=ask(x);
		}
		
		int l=k;
		int r=n;
		int mid;
		int best=r;
		while(l<=r){
			mid=(l+r)/2;
			long long take=ask(mid);
			if(take>=a){
				best=mid;
				r=mid-1;
			}
			else l=mid+1;
		}
		
		long long hold=counter;
		if(best<k) hold+=ask(k);
		else hold+=ask(best);
		if(hold>=a&&hold<=2*a){
			for(int x=1;x<k;x++){
				v.push_back(x);
			}
			if(best<k) v.push_back(k);
			else v.push_back(best);
			answer(v);
			return;
		}
		n=best-1;
	}
	long long counter=0;
	vector<pair<long long,long long>>cur;
	for(int x=1;x<=k;x++){
		cur.push_back({ask(x),x});
		counter+=cur.back().first;
	}
	
	int ptr=n;
	//show(counter,counter);
	if(n<k||(n<=k&&counter<a)||counter>2*a){
		impossible();
		return;
	}
	
	while(counter<a&&!cur.empty()){
		counter+=ask(ptr);
		v.push_back(ptr);
		ptr--;
		counter-=cur.back().first;
		cur.pop_back();
	}
	if(counter>=a){
		for(auto it:cur) v.push_back(it.second);
		answer(v);
		return;
	}
	impossible();
}
//code

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1524 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1112 KB	Output is correct
4	Correct	1 ms	1112 KB	Output is correct
5	Correct	1 ms	1112 KB	Output is correct
6	Correct	1 ms	1112 KB	Output is correct
7	Correct	1 ms	1112 KB	Output is correct
8	Correct	1 ms	1112 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1112 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1112 KB	Output is correct
4	Correct	1 ms	1112 KB	Output is correct
5	Correct	1 ms	1112 KB	Output is correct
6	Correct	1 ms	1112 KB	Output is correct
7	Correct	1 ms	1112 KB	Output is correct
8	Correct	1 ms	1112 KB	Output is correct
9	Correct	1 ms	1112 KB	Output is correct
10	Correct	1 ms	1112 KB	Output is correct
11	Correct	1 ms	1112 KB	Output is correct
12	Correct	1 ms	1112 KB	Output is correct
13	Correct	1 ms	1112 KB	Output is correct
14	Correct	1 ms	1112 KB	Output is correct
15	Correct	1 ms	1112 KB	Output is correct
16	Correct	1 ms	1112 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1112 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1112 KB	Output is correct
4	Correct	1 ms	1108 KB	Output is correct
5	Correct	1 ms	1112 KB	Output is correct
6	Correct	1 ms	1112 KB	Output is correct
7	Correct	1 ms	1112 KB	Output is correct
8	Correct	1 ms	1112 KB	Output is correct
9	Correct	1 ms	1112 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1112 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1112 KB	Output is correct
4	Correct	1 ms	1108 KB	Output is correct
5	Correct	1 ms	1112 KB	Output is correct
6	Correct	1 ms	1112 KB	Output is correct
7	Correct	1 ms	1112 KB	Output is correct
8	Correct	1 ms	1112 KB	Output is correct
9	Correct	1 ms	1112 KB	Output is correct
10	Correct	1 ms	1112 KB	Output is correct
11	Correct	1 ms	1112 KB	Output is correct
12	Correct	1 ms	1112 KB	Output is correct
13	Correct	1 ms	1364 KB	Output is correct
14	Correct	1 ms	1312 KB	Output is correct
15	Correct	1 ms	1112 KB	Output is correct
16	Correct	1 ms	1112 KB	Output is correct
17	Correct	1 ms	1112 KB	Output is correct
18	Correct	1 ms	1112 KB	Output is correct
19	Correct	1 ms	1112 KB	Output is correct
20	Correct	1 ms	1112 KB	Output is correct
21	Correct	1 ms	1112 KB	Output is correct
22	Correct	1 ms	1112 KB	Output is correct
23	Correct	1 ms	1112 KB	Output is correct
24	Correct	1 ms	1112 KB	Output is correct
25	Correct	1 ms	1112 KB	Output is correct

Subtask #5
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1112 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1112 KB	Output is correct
4	Correct	1 ms	1108 KB	Output is correct
5	Correct	1 ms	1112 KB	Output is correct
6	Correct	1 ms	1112 KB	Output is correct
7	Correct	1 ms	1112 KB	Output is correct
8	Correct	1 ms	1112 KB	Output is correct
9	Correct	1 ms	1112 KB	Output is correct
10	Correct	1 ms	1112 KB	Output is correct
11	Correct	1 ms	1112 KB	Output is correct
12	Correct	1 ms	1112 KB	Output is correct
13	Correct	1 ms	1364 KB	Output is correct
14	Correct	1 ms	1312 KB	Output is correct
15	Correct	1 ms	1112 KB	Output is correct
16	Correct	1 ms	1112 KB	Output is correct
17	Correct	1 ms	1112 KB	Output is correct
18	Correct	1 ms	1112 KB	Output is correct
19	Correct	1 ms	1112 KB	Output is correct
20	Correct	1 ms	1112 KB	Output is correct
21	Correct	1 ms	1112 KB	Output is correct
22	Correct	1 ms	1112 KB	Output is correct
23	Correct	1 ms	1112 KB	Output is correct
24	Correct	1 ms	1112 KB	Output is correct
25	Correct	1 ms	1112 KB	Output is correct
26	Correct	1 ms	1112 KB	Output is correct
27	Correct	1 ms	1112 KB	Output is correct
28	Correct	1 ms	1112 KB	Output is correct
29	Correct	1 ms	1112 KB	Output is correct
30	Correct	1 ms	1112 KB	Output is correct
31	Correct	1 ms	1364 KB	Output is correct
32	Correct	1 ms	1112 KB	Output is correct
33	Correct	1 ms	1112 KB	Output is correct
34	Correct	1 ms	1112 KB	Output is correct
35	Correct	1 ms	1108 KB	Output is correct
36	Correct	1 ms	1112 KB	Output is correct
37	Correct	1 ms	1112 KB	Output is correct
38	Correct	1 ms	1112 KB	Output is correct
39	Correct	1 ms	1112 KB	Output is correct
40	Correct	1 ms	1112 KB	Output is correct
41	Correct	1 ms	1112 KB	Output is correct
42	Correct	1 ms	1112 KB	Output is correct
43	Correct	1 ms	1112 KB	Output is correct
44	Correct	1 ms	1112 KB	Output is correct
45	Correct	1 ms	1112 KB	Output is correct
46	Correct	1 ms	1112 KB	Output is correct
47	Correct	1 ms	1112 KB	Output is correct
48	Correct	1 ms	1112 KB	Output is correct
49	Correct	1 ms	1112 KB	Output is correct
50	Correct	1 ms	1112 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1112 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1112 KB	Output is correct
4	Correct	1 ms	1108 KB	Output is correct
5	Correct	1 ms	1112 KB	Output is correct
6	Correct	1 ms	1112 KB	Output is correct
7	Correct	1 ms	1112 KB	Output is correct
8	Correct	1 ms	1112 KB	Output is correct
9	Correct	1 ms	1112 KB	Output is correct
10	Correct	1 ms	1112 KB	Output is correct
11	Correct	1 ms	1112 KB	Output is correct
12	Correct	1 ms	1112 KB	Output is correct
13	Correct	1 ms	1364 KB	Output is correct
14	Correct	1 ms	1312 KB	Output is correct
15	Correct	1 ms	1112 KB	Output is correct
16	Correct	1 ms	1112 KB	Output is correct
17	Correct	1 ms	1112 KB	Output is correct
18	Correct	1 ms	1112 KB	Output is correct
19	Correct	1 ms	1112 KB	Output is correct
20	Correct	1 ms	1112 KB	Output is correct
21	Correct	1 ms	1112 KB	Output is correct
22	Correct	1 ms	1112 KB	Output is correct
23	Correct	1 ms	1112 KB	Output is correct
24	Correct	1 ms	1112 KB	Output is correct
25	Correct	1 ms	1112 KB	Output is correct
26	Correct	1 ms	1112 KB	Output is correct
27	Correct	1 ms	1112 KB	Output is correct
28	Correct	1 ms	1112 KB	Output is correct
29	Correct	1 ms	1112 KB	Output is correct
30	Correct	1 ms	1112 KB	Output is correct
31	Correct	1 ms	1112 KB	Output is correct
32	Correct	1 ms	1124 KB	Output is correct
33	Correct	1 ms	1364 KB	Output is correct
34	Correct	1 ms	1112 KB	Output is correct
35	Correct	1 ms	1112 KB	Output is correct
36	Correct	1 ms	1112 KB	Output is correct
37	Correct	1 ms	1112 KB	Output is correct
38	Correct	1 ms	1112 KB	Output is correct
39	Correct	1 ms	1112 KB	Output is correct
40	Correct	1 ms	1112 KB	Output is correct
41	Correct	1 ms	1112 KB	Output is correct
42	Correct	1 ms	1112 KB	Output is correct
43	Correct	1 ms	1112 KB	Output is correct
44	Correct	1 ms	1112 KB	Output is correct
45	Correct	1 ms	1112 KB	Output is correct
46	Correct	1 ms	1112 KB	Output is correct
47	Correct	1 ms	1120 KB	Output is correct
48	Correct	1 ms	1112 KB	Output is correct
49	Correct	1 ms	1120 KB	Output is correct
50	Correct	1 ms	1112 KB	Output is correct

Subtask #7
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1112 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1112 KB	Output is correct
4	Correct	1 ms	1108 KB	Output is correct
5	Correct	1 ms	1112 KB	Output is correct
6	Correct	1 ms	1112 KB	Output is correct
7	Correct	1 ms	1112 KB	Output is correct
8	Correct	1 ms	1112 KB	Output is correct
9	Correct	1 ms	1112 KB	Output is correct
10	Correct	1 ms	1112 KB	Output is correct
11	Correct	1 ms	1112 KB	Output is correct
12	Correct	1 ms	1112 KB	Output is correct
13	Correct	1 ms	1364 KB	Output is correct
14	Correct	1 ms	1312 KB	Output is correct
15	Correct	1 ms	1112 KB	Output is correct
16	Correct	1 ms	1112 KB	Output is correct
17	Correct	1 ms	1112 KB	Output is correct
18	Correct	1 ms	1112 KB	Output is correct
19	Correct	1 ms	1112 KB	Output is correct
20	Correct	1 ms	1112 KB	Output is correct
21	Correct	1 ms	1112 KB	Output is correct
22	Correct	1 ms	1112 KB	Output is correct
23	Correct	1 ms	1112 KB	Output is correct
24	Correct	1 ms	1112 KB	Output is correct
25	Correct	1 ms	1112 KB	Output is correct
26	Correct	1 ms	1112 KB	Output is correct
27	Correct	1 ms	1112 KB	Output is correct
28	Correct	1 ms	1112 KB	Output is correct
29	Correct	1 ms	1112 KB	Output is correct
30	Correct	1 ms	1112 KB	Output is correct
31	Correct	1 ms	1364 KB	Output is correct
32	Correct	1 ms	1112 KB	Output is correct
33	Correct	1 ms	1112 KB	Output is correct
34	Correct	1 ms	1112 KB	Output is correct
35	Correct	1 ms	1108 KB	Output is correct
36	Correct	1 ms	1112 KB	Output is correct
37	Correct	1 ms	1112 KB	Output is correct
38	Correct	1 ms	1112 KB	Output is correct
39	Correct	1 ms	1112 KB	Output is correct
40	Correct	1 ms	1112 KB	Output is correct
41	Correct	1 ms	1112 KB	Output is correct
42	Correct	1 ms	1112 KB	Output is correct
43	Correct	1 ms	1112 KB	Output is correct
44	Correct	1 ms	1112 KB	Output is correct
45	Correct	1 ms	1112 KB	Output is correct
46	Correct	1 ms	1112 KB	Output is correct
47	Correct	1 ms	1112 KB	Output is correct
48	Correct	1 ms	1112 KB	Output is correct
49	Correct	1 ms	1112 KB	Output is correct
50	Correct	1 ms	1112 KB	Output is correct
51	Correct	1 ms	1112 KB	Output is correct
52	Correct	1 ms	1112 KB	Output is correct
53	Correct	1 ms	1112 KB	Output is correct
54	Correct	1 ms	1112 KB	Output is correct
55	Correct	1 ms	1112 KB	Output is correct
56	Correct	1 ms	1112 KB	Output is correct
57	Correct	1 ms	1124 KB	Output is correct
58	Correct	1 ms	1364 KB	Output is correct
59	Correct	1 ms	1112 KB	Output is correct
60	Correct	1 ms	1112 KB	Output is correct
61	Correct	1 ms	1112 KB	Output is correct
62	Correct	1 ms	1112 KB	Output is correct
63	Correct	1 ms	1112 KB	Output is correct
64	Correct	1 ms	1112 KB	Output is correct
65	Correct	1 ms	1112 KB	Output is correct
66	Correct	1 ms	1112 KB	Output is correct
67	Correct	1 ms	1112 KB	Output is correct
68	Correct	1 ms	1112 KB	Output is correct
69	Correct	1 ms	1112 KB	Output is correct
70	Correct	1 ms	1112 KB	Output is correct
71	Correct	1 ms	1112 KB	Output is correct
72	Correct	1 ms	1120 KB	Output is correct
73	Correct	1 ms	1112 KB	Output is correct
74	Correct	1 ms	1120 KB	Output is correct
75	Correct	1 ms	1112 KB	Output is correct
76	Correct	1 ms	1120 KB	Output is correct
77	Correct	1 ms	1112 KB	Output is correct
78	Correct	1 ms	1112 KB	Output is correct
79	Correct	1 ms	1112 KB	Output is correct
80	Correct	1 ms	1112 KB	Output is correct
81	Correct	1 ms	1112 KB	Output is correct
82	Correct	1 ms	1112 KB	Output is correct
83	Correct	1 ms	1112 KB	Output is correct
84	Correct	1 ms	1112 KB	Output is correct
85	Correct	1 ms	1112 KB	Output is correct
86	Correct	1 ms	1112 KB	Output is correct
87	Correct	1 ms	1112 KB	Output is correct
88	Correct	1 ms	1112 KB	Output is correct
89	Correct	1 ms	1112 KB	Output is correct
90	Correct	1 ms	1112 KB	Output is correct
91	Correct	1 ms	1112 KB	Output is correct
92	Correct	1 ms	1112 KB	Output is correct
93	Correct	1 ms	1112 KB	Output is correct
94	Correct	1 ms	1112 KB	Output is correct
95	Correct	1 ms	1112 KB	Output is correct
96	Correct	1 ms	1112 KB	Output is correct
97	Correct	1 ms	1112 KB	Output is correct
98	Correct	1 ms	1364 KB	Output is correct
99	Correct	1 ms	1112 KB	Output is correct
100	Correct	1 ms	1112 KB	Output is correct
101	Correct	1 ms	1112 KB	Output is correct
102	Correct	1 ms	1112 KB	Output is correct
103	Correct	1 ms	1112 KB	Output is correct
104	Correct	1 ms	1112 KB	Output is correct
105	Correct	1 ms	1112 KB	Output is correct
106	Correct	1 ms	1112 KB	Output is correct
107	Correct	1 ms	1112 KB	Output is correct
108	Correct	1 ms	1112 KB	Output is correct
109	Correct	1 ms	1268 KB	Output is correct
110	Correct	1 ms	1112 KB	Output is correct
111	Correct	1 ms	1112 KB	Output is correct
112	Correct	1 ms	1112 KB	Output is correct
113	Correct	1 ms	1112 KB	Output is correct
114	Correct	1 ms	1112 KB	Output is correct
115	Correct	1 ms	1112 KB	Output is correct
116	Correct	1 ms	1112 KB	Output is correct
117	Correct	1 ms	1112 KB	Output is correct
118	Correct	1 ms	1112 KB	Output is correct
119	Correct	1 ms	1112 KB	Output is correct
120	Correct	1 ms	1108 KB	Output is correct
121	Correct	1 ms	1112 KB	Output is correct
122	Correct	1 ms	1108 KB	Output is correct
123	Correct	1 ms	1112 KB	Output is correct
124	Correct	1 ms	1112 KB	Output is correct
125	Correct	1 ms	1112 KB	Output is correct
126	Correct	1 ms	1112 KB	Output is correct
127	Correct	1 ms	1112 KB	Output is correct
128	Correct	1 ms	1112 KB	Output is correct
129	Correct	1 ms	1112 KB	Output is correct
130	Correct	1 ms	1112 KB	Output is correct
131	Correct	1 ms	1112 KB	Output is correct
132	Correct	1 ms	1112 KB	Output is correct
133	Correct	1 ms	1112 KB	Output is correct
134	Correct	1 ms	1112 KB	Output is correct
135	Correct	1 ms	1112 KB	Output is correct

답안 #941859

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 15.0 / 15.0

Subtask #3 10.0 / 10.0

Subtask #4 15.0 / 15.0

Subtask #5 15.0 / 15.0

Subtask #6 20.0 / 20.0

Subtask #7 20.0 / 20.0

Subtask #1
5.0 / 5.0

Subtask #2
15.0 / 15.0

Subtask #3
10.0 / 10.0

Subtask #4
15.0 / 15.0

Subtask #5
15.0 / 15.0

Subtask #6
20.0 / 20.0

Subtask #7
20.0 / 20.0