oj.uz

Submission #947892

# Submission time Handle Problem Language Result Execution time Memory
947892 2024-03-17T08:26:15 Z willychan A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 1 ms 676 KB 
#include <bits/stdc++.h>

#include "books.h"

using namespace std;
typedef long long ll;
//
// --- 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,ll> mem;
int n;
ll get(int k){
	if(k>n) return 4e17;
	if(mem.count(k)) return mem[k];
	mem[k] = skim(k);
	return mem[k];
}
void solve(int N, int K, long long A, int S) {
	int l = 0;int r=N+1;
	n = N;
	while(r-l>1){
		int m = (l+r)/2;
		if(get(m)>=A) r = m;
		else l = m;
	}
	if(r<=K){
		ll sum=0;
		for(int i=1;i<=K;i++){
			sum+=get(i);
		}
		if(sum>2*A){
			impossible();
			return;
		}else{
			vector<int> ans;	
			for(int i=1;i<=K;i++) ans.push_back(i);
			answer(ans);
			return ;
		}
	}
	ll sum = 0;
	for(int i=1;i<K;i++){
		sum+=get(i);
	}
	sum+=get(r);
	if(sum<=2*A){
		vector<int> ans;
		for(int i=1;i<K;i++) ans.push_back(i);
		ans.push_back(r);
		answer(ans);
		return ;
	}
	sum-=get(r);
	sum+=get(K);
	vector<int> stk;
	for(int i=1;i<=K;i++) stk.push_back(i);
	vector<int> other;
	for(int i=r-1;i>=r-K;i--){
		if(sum>=A && sum<=2*A)	{
			vector<int> ans;
			for(auto v : stk) ans.push_back(v);
			for(auto v : other) ans.push_back(v);
			answer(ans);
			return;
		}
		int c = stk.back();
		stk.pop_back();
		sum-=get(c);
		other.push_back(i);
		sum+=get(i);
	}
		if(sum>=A && sum<=2*A)	{
			vector<int> ans;
			for(auto v : stk) ans.push_back(v);
			for(auto v : other) ans.push_back(v);
			answer(ans);
			return;
		}
		impossible();
		return ;

}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 340 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 624 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 608 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 428 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 600 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 608 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 428 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 600 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 600 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 0 ms 428 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 1 ms 344 KB Output is correct
40 Correct 0 ms 600 KB Output is correct
41 Correct 0 ms 356 KB Output is correct
42 Correct 1 ms 424 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 424 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 0 ms 600 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 0 ms 600 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 608 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 428 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 600 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 428 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 600 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 600 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 600 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 600 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 0 ms 600 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 600 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 608 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 428 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 600 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 600 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 0 ms 428 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 1 ms 344 KB Output is correct
40 Correct 0 ms 600 KB Output is correct
41 Correct 0 ms 356 KB Output is correct
42 Correct 1 ms 424 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 424 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 0 ms 600 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 0 ms 600 KB Output is correct
51 Correct 0 ms 344 KB Output is correct
52 Correct 0 ms 428 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 600 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 0 ms 600 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 0 ms 600 KB Output is correct
59 Correct 1 ms 344 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 0 ms 344 KB Output is correct
62 Correct 0 ms 600 KB Output is correct
63 Correct 0 ms 344 KB Output is correct
64 Correct 0 ms 600 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 1 ms 344 KB Output is correct
67 Correct 1 ms 344 KB Output is correct
68 Correct 0 ms 344 KB Output is correct
69 Correct 1 ms 344 KB Output is correct
70 Correct 0 ms 600 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 0 ms 344 KB Output is correct
73 Correct 0 ms 344 KB Output is correct
74 Correct 0 ms 344 KB Output is correct
75 Correct 0 ms 600 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 0 ms 344 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 0 ms 344 KB Output is correct
81 Correct 1 ms 344 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 344 KB Output is correct
84 Correct 0 ms 600 KB Output is correct
85 Correct 0 ms 600 KB Output is correct
86 Correct 0 ms 596 KB Output is correct
87 Correct 0 ms 600 KB Output is correct
88 Correct 1 ms 344 KB Output is correct
89 Correct 0 ms 344 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 1 ms 344 KB Output is correct
92 Correct 1 ms 344 KB Output is correct
93 Correct 0 ms 344 KB Output is correct
94 Correct 0 ms 432 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 0 ms 600 KB Output is correct
97 Correct 0 ms 344 KB Output is correct
98 Correct 1 ms 344 KB Output is correct
99 Correct 0 ms 344 KB Output is correct
100 Correct 0 ms 344 KB Output is correct
101 Correct 0 ms 428 KB Output is correct
102 Correct 0 ms 344 KB Output is correct
103 Correct 0 ms 344 KB Output is correct
104 Correct 1 ms 608 KB Output is correct
105 Correct 1 ms 344 KB Output is correct
106 Correct 0 ms 344 KB Output is correct
107 Correct 0 ms 600 KB Output is correct
108 Correct 1 ms 344 KB Output is correct
109 Correct 0 ms 428 KB Output is correct
110 Correct 0 ms 344 KB Output is correct
111 Correct 0 ms 344 KB Output is correct
112 Correct 0 ms 428 KB Output is correct
113 Correct 0 ms 344 KB Output is correct
114 Correct 0 ms 344 KB Output is correct
115 Correct 1 ms 600 KB Output is correct
116 Correct 0 ms 344 KB Output is correct
117 Correct 0 ms 344 KB Output is correct
118 Correct 1 ms 344 KB Output is correct
119 Correct 0 ms 344 KB Output is correct
120 Correct 0 ms 424 KB Output is correct
121 Correct 1 ms 344 KB Output is correct
122 Correct 0 ms 600 KB Output is correct
123 Correct 0 ms 596 KB Output is correct
124 Correct 1 ms 344 KB Output is correct
125 Correct 0 ms 600 KB Output is correct
126 Correct 0 ms 344 KB Output is correct
127 Correct 1 ms 528 KB Output is correct
128 Correct 0 ms 428 KB Output is correct
129 Correct 1 ms 344 KB Output is correct
130 Correct 0 ms 600 KB Output is correct
131 Correct 0 ms 600 KB Output is correct
132 Correct 0 ms 600 KB Output is correct
133 Correct 0 ms 344 KB Output is correct
134 Correct 0 ms 676 KB Output is correct
135 Correct 0 ms 344 KB Output is correct