oj.uz

Submission #943283

# Submission time Handle Problem Language Result Execution time Memory
943283 2024-03-11T09:59:22 Z teacup A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 1 ms 1368 KB 
#include <bits/stdc++.h>

#include "books.h"

using namespace std;
#define ll long long
#define ii pair<int,int>
#define vi vector<int>
typedef vector<ii> vii;
//
// --- 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.
//

void solve(int N, int K, long long A, int S) {
    // TODO implement this function
    vector<long long> V(N+5);
    vector<int> ans;
    for (int i=0; i<N+5; i++) V[i]=-1;
    long long sum=0;
    for (int i=1; i<=K; i++){
		V[i]=skim(i);
		sum+=V[i];
	}
	if (sum>2*A){
		impossible();
	}else if (sum>=A){
		//answer!!
		ans.clear();
		for (int i=1; i<=K; i++){
			ans.push_back(i);
		}
		answer(ans);
	}else{
		//sum<A
		ans.clear();
		//binary search from K+1 to N
		ll L=1, R=N+1, M;
		while (L<R) {
			M = (L+R)/2;
			ll temp;
			
			if(V[M] != -1) temp = V[M];
            else temp = skim(M);
            V[M] = temp;
            
			if (temp < A) L = M+1;
			else R = M;
		}
		
		if (L < K) impossible();
		if (L <= N){
            ll temp;
			
			if(V[L] != -1) temp = V[L];
            else temp = skim(L);
            V[L] = temp;
 
            if(sum - V[K] + temp <= 2*A){
				ans.clear();
                for(int i=1; i<K; i++){
                    ans.push_back(i);
                }
                ans.push_back(L);
                answer(ans);
            }
            N = L - 1;
        }
 
        set<int> S_;
 
        for(int i=1; i<=K; i++){
            S_.insert(i);
        }
 
        for(int i=0; i<K; i++){
            S_.erase(K - i);
            S_.insert(N - i);
 
            ll temp;
 
            if(V[N - i] != -1) temp = V[N - i];
            else temp = skim(N - i);
            V[N - i] = temp;
 
            sum -= V[K - i];
            sum += temp;
 
            if(A <= sum && sum <= 2*A){
				ans.clear();
                for(int i : S_){
                    ans.push_back(i);
                }
                answer(ans);
            }
        }
        impossible();
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 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 592 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 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 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 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 600 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 1 ms 428 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory 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

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory 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
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

# Verdict Execution time Memory 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
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 1364 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 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 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 1112 KB Output is correct
48 Correct 1 ms 1112 KB Output is correct
49 Correct 1 ms 1204 KB Output is correct
50 Correct 1 ms 1112 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory 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
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 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 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 1112 KB Output is correct
48 Correct 1 ms 1192 KB Output is correct
49 Correct 1 ms 1112 KB Output is correct
50 Correct 1 ms 1368 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory 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
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 1364 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 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 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 1112 KB Output is correct
48 Correct 1 ms 1112 KB Output is correct
49 Correct 1 ms 1204 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 1112 KB Output is correct
58 Correct 1 ms 1112 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 1112 KB Output is correct
73 Correct 1 ms 1192 KB Output is correct
74 Correct 1 ms 1112 KB Output is correct
75 Correct 1 ms 1368 KB Output is correct
76 Correct 1 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 0 ms 344 KB Output is correct
82 Correct 1 ms 344 KB Output is correct
83 Correct 1 ms 344 KB Output is correct
84 Correct 1 ms 428 KB Output is correct
85 Correct 1 ms 600 KB Output is correct
86 Correct 0 ms 600 KB Output is correct
87 Correct 1 ms 600 KB Output is correct
88 Correct 1 ms 600 KB Output is correct
89 Correct 0 ms 600 KB Output is correct
90 Correct 1 ms 600 KB Output is correct
91 Correct 1 ms 600 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 1368 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 1112 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 1368 KB Output is correct
103 Correct 1 ms 1112 KB Output is correct
104 Correct 1 ms 1196 KB Output is correct
105 Correct 1 ms 1112 KB Output is correct
106 Correct 1 ms 1108 KB Output is correct
107 Correct 1 ms 1112 KB Output is correct
108 Correct 1 ms 1368 KB Output is correct
109 Correct 1 ms 1112 KB Output is correct
110 Correct 1 ms 1368 KB Output is correct
111 Correct 1 ms 1112 KB Output is correct
112 Correct 1 ms 1196 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 1368 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 1192 KB Output is correct
119 Correct 1 ms 1112 KB Output is correct
120 Correct 1 ms 1196 KB Output is correct
121 Correct 1 ms 1112 KB Output is correct
122 Correct 1 ms 1192 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 1192 KB Output is correct
126 Correct 1 ms 1112 KB Output is correct
127 Correct 1 ms 1196 KB Output is correct
128 Correct 1 ms 1112 KB Output is correct
129 Correct 1 ms 1200 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 1200 KB Output is correct
134 Correct 1 ms 1368 KB Output is correct
135 Correct 1 ms 1112 KB Output is correct