oj.uz

Submission #406664

# Submission time Handle Problem Language Result Execution time Memory
406664 2021-05-18T02:06:14 Z jamezzz A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 4 ms 328 KB 
#include <bits/stdc++.h>
using namespace std;

#include "books.h"

typedef long long ll;
//less_equal for identical elements
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
//     books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ books_sample.cpp sample_grader.cpp
// in this folder.
//

int n;
long long a[100005];
bool use[100005];

ll arr(int i){
	if(a[i]!=0)return a[i];
	else return a[i]=skim(i);
}

void done(){
	vector<int> ans;
	for(int i=1;i<=n;++i){
		if(use[i])ans.push_back(i);
	}
	answer(ans);
}

void solve(int N, int K, long long A, int S) {
	n=N;
	ll sm=0;
	for(int i=1;i<=K;++i){
		sm+=arr(i);
		use[i]=true;
	}
	if(A<=sm&&sm<=2*A)done();
	else if(sm>2*A)impossible();
	int lo=1,hi=N,mid,res=0;
	while(lo<=hi){
		mid=(lo+hi)/2;
		if(arr(mid)<=A){
			res=mid;
			lo=mid+1;
		}
		else hi=mid-1;
	}
	if(res<=K)impossible();
	for(int i=K;i>=1;--i){
		if(sm-arr(i)+arr(res-(K-i))<=2*A){
			sm=sm-arr(i)+arr(res-(K-i));
			use[i]=false;
			use[res-(K-i)]=true;
		}
	}
	if(A<=sm)done();
	else if(res==N)impossible();
	sm=0;
	memset(use,false,sizeof use);
	for(int i=1;i<=K-1;++i){
		sm+=arr(i);
		use[i]=true;
	}
	use[res+1]=true;
	sm+=arr(res+1);
	for(int i=K-1;i>=1;--i){
		if(sm-arr(i)+arr(res-(K-1-i))<=2*A){
			sm=sm-arr(i)+arr(res-(K-1-i));
			use[i]=false;
			use[res-(K-1-i)]=true;
		}
	}
	if(sm<A||sm>2*A)impossible();
	else done();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 328 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 2 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 2 ms 328 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 2 ms 200 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 3 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 2 ms 328 KB Output is correct
16 Correct 2 ms 328 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 292 KB Output is correct
2 Correct 3 ms 296 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 288 KB Output is correct
9 Correct 1 ms 304 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 292 KB Output is correct
2 Correct 3 ms 296 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 288 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 2 ms 292 KB Output is correct
12 Correct 2 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 280 KB Output is correct
17 Correct 2 ms 276 KB Output is correct
18 Correct 1 ms 284 KB Output is correct
19 Correct 2 ms 280 KB Output is correct
20 Correct 2 ms 296 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 2 ms 200 KB Output is correct
23 Correct 2 ms 292 KB Output is correct
24 Correct 2 ms 296 KB Output is correct
25 Correct 3 ms 300 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 292 KB Output is correct
2 Correct 3 ms 296 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 288 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 2 ms 292 KB Output is correct
12 Correct 2 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 280 KB Output is correct
17 Correct 2 ms 276 KB Output is correct
18 Correct 1 ms 284 KB Output is correct
19 Correct 2 ms 280 KB Output is correct
20 Correct 2 ms 296 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 2 ms 200 KB Output is correct
23 Correct 2 ms 292 KB Output is correct
24 Correct 2 ms 296 KB Output is correct
25 Correct 3 ms 300 KB Output is correct
26 Correct 1 ms 288 KB Output is correct
27 Correct 2 ms 200 KB Output is correct
28 Correct 2 ms 328 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 284 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 2 ms 300 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 2 ms 292 KB Output is correct
36 Correct 2 ms 288 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 2 ms 296 KB Output is correct
40 Correct 2 ms 328 KB Output is correct
41 Correct 2 ms 300 KB Output is correct
42 Correct 1 ms 300 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 2 ms 292 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 296 KB Output is correct
47 Correct 2 ms 292 KB Output is correct
48 Correct 2 ms 288 KB Output is correct
49 Correct 2 ms 300 KB Output is correct
50 Correct 2 ms 300 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 292 KB Output is correct
2 Correct 3 ms 296 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 288 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 2 ms 292 KB Output is correct
12 Correct 2 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 280 KB Output is correct
17 Correct 2 ms 276 KB Output is correct
18 Correct 1 ms 284 KB Output is correct
19 Correct 2 ms 280 KB Output is correct
20 Correct 2 ms 296 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 2 ms 200 KB Output is correct
23 Correct 2 ms 292 KB Output is correct
24 Correct 2 ms 296 KB Output is correct
25 Correct 3 ms 300 KB Output is correct
26 Correct 2 ms 292 KB Output is correct
27 Correct 2 ms 276 KB Output is correct
28 Correct 2 ms 292 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 280 KB Output is correct
31 Correct 1 ms 304 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 2 ms 200 KB Output is correct
34 Correct 1 ms 280 KB Output is correct
35 Correct 2 ms 292 KB Output is correct
36 Correct 2 ms 288 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 280 KB Output is correct
39 Correct 2 ms 296 KB Output is correct
40 Correct 2 ms 296 KB Output is correct
41 Correct 2 ms 328 KB Output is correct
42 Correct 2 ms 280 KB Output is correct
43 Correct 2 ms 200 KB Output is correct
44 Correct 1 ms 276 KB Output is correct
45 Correct 1 ms 304 KB Output is correct
46 Correct 2 ms 300 KB Output is correct
47 Correct 2 ms 200 KB Output is correct
48 Correct 2 ms 328 KB Output is correct
49 Correct 2 ms 292 KB Output is correct
50 Correct 2 ms 320 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 292 KB Output is correct
2 Correct 3 ms 296 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 288 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 2 ms 292 KB Output is correct
12 Correct 2 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 280 KB Output is correct
17 Correct 2 ms 276 KB Output is correct
18 Correct 1 ms 284 KB Output is correct
19 Correct 2 ms 280 KB Output is correct
20 Correct 2 ms 296 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 2 ms 200 KB Output is correct
23 Correct 2 ms 292 KB Output is correct
24 Correct 2 ms 296 KB Output is correct
25 Correct 3 ms 300 KB Output is correct
26 Correct 1 ms 288 KB Output is correct
27 Correct 2 ms 200 KB Output is correct
28 Correct 2 ms 328 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 284 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 2 ms 300 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 2 ms 292 KB Output is correct
36 Correct 2 ms 288 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 2 ms 296 KB Output is correct
40 Correct 2 ms 328 KB Output is correct
41 Correct 2 ms 300 KB Output is correct
42 Correct 1 ms 300 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 2 ms 292 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 296 KB Output is correct
47 Correct 2 ms 292 KB Output is correct
48 Correct 2 ms 288 KB Output is correct
49 Correct 2 ms 300 KB Output is correct
50 Correct 2 ms 300 KB Output is correct
51 Correct 2 ms 292 KB Output is correct
52 Correct 2 ms 276 KB Output is correct
53 Correct 2 ms 292 KB Output is correct
54 Correct 1 ms 200 KB Output is correct
55 Correct 1 ms 280 KB Output is correct
56 Correct 1 ms 304 KB Output is correct
57 Correct 1 ms 200 KB Output is correct
58 Correct 2 ms 200 KB Output is correct
59 Correct 1 ms 280 KB Output is correct
60 Correct 2 ms 292 KB Output is correct
61 Correct 2 ms 288 KB Output is correct
62 Correct 1 ms 200 KB Output is correct
63 Correct 1 ms 280 KB Output is correct
64 Correct 2 ms 296 KB Output is correct
65 Correct 2 ms 296 KB Output is correct
66 Correct 2 ms 328 KB Output is correct
67 Correct 2 ms 280 KB Output is correct
68 Correct 2 ms 200 KB Output is correct
69 Correct 1 ms 276 KB Output is correct
70 Correct 1 ms 304 KB Output is correct
71 Correct 2 ms 300 KB Output is correct
72 Correct 2 ms 200 KB Output is correct
73 Correct 2 ms 328 KB Output is correct
74 Correct 2 ms 292 KB Output is correct
75 Correct 2 ms 320 KB Output is correct
76 Correct 1 ms 200 KB Output is correct
77 Correct 1 ms 200 KB Output is correct
78 Correct 1 ms 200 KB Output is correct
79 Correct 1 ms 200 KB Output is correct
80 Correct 1 ms 200 KB Output is correct
81 Correct 1 ms 328 KB Output is correct
82 Correct 1 ms 328 KB Output is correct
83 Correct 1 ms 328 KB Output is correct
84 Correct 1 ms 300 KB Output is correct
85 Correct 1 ms 328 KB Output is correct
86 Correct 1 ms 296 KB Output is correct
87 Correct 1 ms 296 KB Output is correct
88 Correct 1 ms 200 KB Output is correct
89 Correct 1 ms 328 KB Output is correct
90 Correct 1 ms 328 KB Output is correct
91 Correct 2 ms 328 KB Output is correct
92 Correct 2 ms 296 KB Output is correct
93 Correct 2 ms 288 KB Output is correct
94 Correct 2 ms 292 KB Output is correct
95 Correct 1 ms 200 KB Output is correct
96 Correct 1 ms 200 KB Output is correct
97 Correct 1 ms 200 KB Output is correct
98 Correct 1 ms 200 KB Output is correct
99 Correct 2 ms 296 KB Output is correct
100 Correct 2 ms 296 KB Output is correct
101 Correct 2 ms 288 KB Output is correct
102 Correct 1 ms 276 KB Output is correct
103 Correct 1 ms 200 KB Output is correct
104 Correct 1 ms 200 KB Output is correct
105 Correct 2 ms 304 KB Output is correct
106 Correct 2 ms 296 KB Output is correct
107 Correct 2 ms 292 KB Output is correct
108 Correct 2 ms 296 KB Output is correct
109 Correct 1 ms 300 KB Output is correct
110 Correct 1 ms 292 KB Output is correct
111 Correct 1 ms 200 KB Output is correct
112 Correct 2 ms 292 KB Output is correct
113 Correct 2 ms 292 KB Output is correct
114 Correct 2 ms 320 KB Output is correct
115 Correct 4 ms 288 KB Output is correct
116 Correct 2 ms 300 KB Output is correct
117 Correct 2 ms 292 KB Output is correct
118 Correct 1 ms 200 KB Output is correct
119 Correct 1 ms 200 KB Output is correct
120 Correct 1 ms 200 KB Output is correct
121 Correct 2 ms 292 KB Output is correct
122 Correct 2 ms 280 KB Output is correct
123 Correct 2 ms 300 KB Output is correct
124 Correct 2 ms 328 KB Output is correct
125 Correct 2 ms 300 KB Output is correct
126 Correct 2 ms 292 KB Output is correct
127 Correct 1 ms 200 KB Output is correct
128 Correct 2 ms 280 KB Output is correct
129 Correct 2 ms 292 KB Output is correct
130 Correct 2 ms 320 KB Output is correct
131 Correct 2 ms 292 KB Output is correct
132 Correct 2 ms 200 KB Output is correct
133 Correct 1 ms 284 KB Output is correct
134 Correct 2 ms 328 KB Output is correct
135 Correct 2 ms 328 KB Output is correct