oj.uz

Submission #795860

# Submission time Handle Problem Language Result Execution time Memory
795860 2023-07-27T18:11:27 Z KLPP A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 145 ms 320 KB 
#include <bits/stdc++.h>

#include "books.h"

using namespace std;
typedef long long int lld;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define trav(a,v) for(auto a:v)
//
// --- 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.
//
map<int,lld> m;
int n;
lld query(int pos){
	if(m.find(pos)==m.end()){
		lld x=skim(pos+1);
		m[pos]=x;
		return x;
	}
	return m[pos];
}
void solve(int N, int K, long long A, int S) {
	n=N;
    int lo=-1;
    int hi=N;
    while(hi-lo>1){
		int mid=(hi+lo)/2;
		if(query(mid)<=A){
			lo=mid;
		}else hi=mid;
	}
	if(lo==-1)impossible();
	vector<pair<lld,int> > books;
	int k=K;
	rep(i,0,k){
		books.push_back({query(i),i});
	}
	for(int i=lo;i>lo-k && i>=0;i--){
		books.push_back({query(i),i});
	}
	assert(m.size()<40);
	if(lo+1<N){
		books.push_back({query(lo+1),lo+1});
	}
	sort(books.begin(),books.end());
	books.resize(unique(books.begin(),books.end())-books.begin());
	vector<int> St;
	rep(msk,0,(1<<books.size())){
		lld sum=0;
		St.clear();
		rep(i,0,(int)books.size()){
			if((msk&(1<<i))>0){
				St.push_back(books[i].second+1);
				sum+=books[i].first;
			}
		}
		if(sum>=A && sum<=2*A && (int)St.size()==k){
			answer(St);
		}
	}
	impossible();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 296 KB Output is correct
12 Correct 73 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 77 ms 208 KB Output is correct
15 Correct 71 ms 208 KB Output is correct
16 Correct 143 ms 300 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 63 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 63 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 63 ms 296 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 0 ms 308 KB Output is correct
20 Correct 1 ms 276 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 0 ms 208 KB Output is correct
23 Correct 77 ms 300 KB Output is correct
24 Correct 73 ms 208 KB Output is correct
25 Correct 72 ms 208 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 63 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 63 ms 296 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 0 ms 308 KB Output is correct
20 Correct 1 ms 276 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 0 ms 208 KB Output is correct
23 Correct 77 ms 300 KB Output is correct
24 Correct 73 ms 208 KB Output is correct
25 Correct 72 ms 208 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 208 KB Output is correct
30 Correct 0 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
33 Correct 69 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 300 KB Output is correct
36 Correct 1 ms 300 KB Output is correct
37 Correct 0 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 72 ms 296 KB Output is correct
40 Correct 72 ms 208 KB Output is correct
41 Correct 72 ms 300 KB Output is correct
42 Correct 1 ms 300 KB Output is correct
43 Correct 1 ms 208 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 0 ms 208 KB Output is correct
46 Correct 1 ms 208 KB Output is correct
47 Correct 5 ms 208 KB Output is correct
48 Correct 71 ms 208 KB Output is correct
49 Correct 71 ms 208 KB Output is correct
50 Correct 142 ms 208 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 63 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 63 ms 296 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 0 ms 308 KB Output is correct
20 Correct 1 ms 276 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 0 ms 208 KB Output is correct
23 Correct 77 ms 300 KB Output is correct
24 Correct 73 ms 208 KB Output is correct
25 Correct 72 ms 208 KB Output is correct
26 Correct 1 ms 208 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 208 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 63 ms 208 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 280 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 71 ms 208 KB Output is correct
40 Correct 71 ms 300 KB Output is correct
41 Correct 75 ms 296 KB Output is correct
42 Correct 1 ms 320 KB Output is correct
43 Correct 1 ms 208 KB Output is correct
44 Correct 1 ms 208 KB Output is correct
45 Correct 1 ms 208 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 75 ms 292 KB Output is correct
48 Correct 72 ms 304 KB Output is correct
49 Correct 72 ms 208 KB Output is correct
50 Correct 73 ms 208 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 63 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 63 ms 296 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 0 ms 308 KB Output is correct
20 Correct 1 ms 276 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 0 ms 208 KB Output is correct
23 Correct 77 ms 300 KB Output is correct
24 Correct 73 ms 208 KB Output is correct
25 Correct 72 ms 208 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 208 KB Output is correct
30 Correct 0 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
33 Correct 69 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 300 KB Output is correct
36 Correct 1 ms 300 KB Output is correct
37 Correct 0 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 72 ms 296 KB Output is correct
40 Correct 72 ms 208 KB Output is correct
41 Correct 72 ms 300 KB Output is correct
42 Correct 1 ms 300 KB Output is correct
43 Correct 1 ms 208 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 0 ms 208 KB Output is correct
46 Correct 1 ms 208 KB Output is correct
47 Correct 5 ms 208 KB Output is correct
48 Correct 71 ms 208 KB Output is correct
49 Correct 71 ms 208 KB Output is correct
50 Correct 142 ms 208 KB Output is correct
51 Correct 1 ms 208 KB Output is correct
52 Correct 1 ms 208 KB Output is correct
53 Correct 1 ms 300 KB Output is correct
54 Correct 1 ms 208 KB Output is correct
55 Correct 1 ms 208 KB Output is correct
56 Correct 1 ms 208 KB Output is correct
57 Correct 1 ms 208 KB Output is correct
58 Correct 63 ms 208 KB Output is correct
59 Correct 1 ms 296 KB Output is correct
60 Correct 1 ms 208 KB Output is correct
61 Correct 1 ms 280 KB Output is correct
62 Correct 1 ms 208 KB Output is correct
63 Correct 1 ms 208 KB Output is correct
64 Correct 71 ms 208 KB Output is correct
65 Correct 71 ms 300 KB Output is correct
66 Correct 75 ms 296 KB Output is correct
67 Correct 1 ms 320 KB Output is correct
68 Correct 1 ms 208 KB Output is correct
69 Correct 1 ms 208 KB Output is correct
70 Correct 1 ms 208 KB Output is correct
71 Correct 1 ms 304 KB Output is correct
72 Correct 75 ms 292 KB Output is correct
73 Correct 72 ms 304 KB Output is correct
74 Correct 72 ms 208 KB Output is correct
75 Correct 73 ms 208 KB Output is correct
76 Correct 0 ms 208 KB Output is correct
77 Correct 0 ms 208 KB Output is correct
78 Correct 0 ms 208 KB Output is correct
79 Correct 0 ms 208 KB Output is correct
80 Correct 0 ms 208 KB Output is correct
81 Correct 0 ms 208 KB Output is correct
82 Correct 0 ms 208 KB Output is correct
83 Correct 1 ms 208 KB Output is correct
84 Correct 1 ms 208 KB Output is correct
85 Correct 0 ms 208 KB Output is correct
86 Correct 3 ms 304 KB Output is correct
87 Correct 84 ms 300 KB Output is correct
88 Correct 1 ms 208 KB Output is correct
89 Correct 72 ms 300 KB Output is correct
90 Correct 73 ms 208 KB Output is correct
91 Correct 141 ms 208 KB Output is correct
92 Correct 1 ms 208 KB Output is correct
93 Correct 1 ms 208 KB Output is correct
94 Correct 1 ms 300 KB Output is correct
95 Correct 1 ms 208 KB Output is correct
96 Correct 0 ms 208 KB Output is correct
97 Correct 0 ms 208 KB Output is correct
98 Correct 0 ms 208 KB Output is correct
99 Correct 75 ms 296 KB Output is correct
100 Correct 1 ms 208 KB Output is correct
101 Correct 1 ms 276 KB Output is correct
102 Correct 1 ms 208 KB Output is correct
103 Correct 0 ms 208 KB Output is correct
104 Correct 0 ms 288 KB Output is correct
105 Correct 72 ms 208 KB Output is correct
106 Correct 84 ms 300 KB Output is correct
107 Correct 72 ms 208 KB Output is correct
108 Correct 1 ms 208 KB Output is correct
109 Correct 0 ms 288 KB Output is correct
110 Correct 1 ms 208 KB Output is correct
111 Correct 0 ms 208 KB Output is correct
112 Correct 1 ms 208 KB Output is correct
113 Correct 5 ms 208 KB Output is correct
114 Correct 75 ms 292 KB Output is correct
115 Correct 71 ms 296 KB Output is correct
116 Correct 145 ms 300 KB Output is correct
117 Correct 1 ms 208 KB Output is correct
118 Correct 1 ms 208 KB Output is correct
119 Correct 1 ms 208 KB Output is correct
120 Correct 0 ms 208 KB Output is correct
121 Correct 1 ms 208 KB Output is correct
122 Correct 71 ms 284 KB Output is correct
123 Correct 74 ms 208 KB Output is correct
124 Correct 75 ms 300 KB Output is correct
125 Correct 78 ms 300 KB Output is correct
126 Correct 0 ms 208 KB Output is correct
127 Correct 0 ms 208 KB Output is correct
128 Correct 1 ms 292 KB Output is correct
129 Correct 0 ms 288 KB Output is correct
130 Correct 5 ms 296 KB Output is correct
131 Correct 71 ms 208 KB Output is correct
132 Correct 1 ms 208 KB Output is correct
133 Correct 83 ms 292 KB Output is correct
134 Correct 72 ms 300 KB Output is correct
135 Correct 141 ms 300 KB Output is correct