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Submission #969044

# Submission time Handle Problem Language Result Execution time Memory
969044 2024-04-24T12:17:23 Z NotLinux A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 1 ms 1380 KB 
#include <bits/stdc++.h>
#include "books.h"
using namespace std;
vector < long long > dp;
long long ask(int p){
    if(dp[p] == -1)dp[p] = skim(p);
    return dp[p];
}
void solve(int N, int K, long long A, int S) {
    dp.assign(N + 1 , -1);
    vector < long long > v = {0};
    // cout << "flag0" << endl;
    for(int i = 1;i<=K;i++){
        long long res = ask(i);
        v.push_back(res + v.back());
    }
    // cout << "flag1" << endl;
    auto is_valid = [&](long long x){
        if(x >= A and x <= A * 2)return true;
        else return false;
    };
    if(v[K] > 2 * A)impossible();
    else if(v[K] >= A){
        vector < int > v(K);
        iota(v.begin() , v.end() , 1);
        answer(v);
    }
    else{
        int l = 1 , r = N+1;
        long long tar = A;
        while(l < r){
            int mid = (l + r) >> 1;
            if(ask(mid) < tar){
                l = mid+1;
            }
            else{
                r = mid;
            }
        }
        // cout << "bs results : " << l << endl;
        if((l - K) <= 0)impossible();
        if(l <= N and is_valid(ask(l) + v[K-1])){
            vector < int > v(K);
            iota(v.begin() , v.end() , 1);
            v[K-1] = l;
            answer(v);
        }
        // cout << "flag2" << endl;
        long long sum = 0;
        for(int i = 1;i<=K;i++){
            sum += ask(l - i);
            // cout << i << " : " << sum + v[K - i] << endl;
            if(is_valid(sum + v[K - i])){
                vector < int > ans;
                for(int j = l - i;j<l;j++){
                    ans.push_back(j);
                }
                for(int j = 1;j <= K - i;j++){
                    ans.push_back(j);
                }
                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 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 344 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 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 344 KB Output is correct
9 Correct 1 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 852 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 600 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 1372 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 1368 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 1372 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 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1124 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 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1372 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 1196 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1196 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 1368 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 1372 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 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1124 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 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1372 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 1196 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1196 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 1368 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 1368 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 1204 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 1 ms 1368 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 1196 KB Output is correct
37 Correct 1 ms 1112 KB Output is correct
38 Correct 1 ms 1368 KB Output is correct
39 Correct 1 ms 1112 KB Output is correct
40 Correct 1 ms 1368 KB Output is correct
41 Correct 1 ms 1112 KB Output is correct
42 Correct 1 ms 1368 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 1368 KB Output is correct
46 Correct 1 ms 1112 KB Output is correct
47 Correct 1 ms 1196 KB Output is correct
48 Correct 1 ms 1112 KB Output is correct
49 Correct 1 ms 1368 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 1372 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 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1124 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 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1372 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 1196 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1196 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 1368 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 1368 KB Output is correct
28 Correct 1 ms 1112 KB Output is correct
29 Correct 1 ms 1196 KB Output is correct
30 Correct 1 ms 1124 KB Output is correct
31 Correct 1 ms 1120 KB Output is correct
32 Correct 1 ms 1376 KB Output is correct
33 Correct 1 ms 1120 KB Output is correct
34 Correct 1 ms 1120 KB Output is correct
35 Correct 1 ms 1120 KB Output is correct
36 Correct 1 ms 1124 KB Output is correct
37 Correct 1 ms 1204 KB Output is correct
38 Correct 1 ms 1380 KB Output is correct
39 Correct 1 ms 1124 KB Output is correct
40 Correct 1 ms 1124 KB Output is correct
41 Correct 1 ms 1124 KB Output is correct
42 Correct 1 ms 1120 KB Output is correct
43 Correct 1 ms 1124 KB Output is correct
44 Correct 1 ms 1380 KB Output is correct
45 Correct 1 ms 1124 KB Output is correct
46 Correct 1 ms 1124 KB Output is correct
47 Correct 1 ms 1208 KB Output is correct
48 Correct 1 ms 1124 KB Output is correct
49 Correct 1 ms 1372 KB Output is correct
50 Correct 1 ms 1112 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 1372 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 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1124 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 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1372 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 1196 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1196 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 1368 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 1368 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 1204 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 1 ms 1368 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 1196 KB Output is correct
37 Correct 1 ms 1112 KB Output is correct
38 Correct 1 ms 1368 KB Output is correct
39 Correct 1 ms 1112 KB Output is correct
40 Correct 1 ms 1368 KB Output is correct
41 Correct 1 ms 1112 KB Output is correct
42 Correct 1 ms 1368 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 1368 KB Output is correct
46 Correct 1 ms 1112 KB Output is correct
47 Correct 1 ms 1196 KB Output is correct
48 Correct 1 ms 1112 KB Output is correct
49 Correct 1 ms 1368 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 1368 KB Output is correct
53 Correct 1 ms 1112 KB Output is correct
54 Correct 1 ms 1196 KB Output is correct
55 Correct 1 ms 1124 KB Output is correct
56 Correct 1 ms 1120 KB Output is correct
57 Correct 1 ms 1376 KB Output is correct
58 Correct 1 ms 1120 KB Output is correct
59 Correct 1 ms 1120 KB Output is correct
60 Correct 1 ms 1120 KB Output is correct
61 Correct 1 ms 1124 KB Output is correct
62 Correct 1 ms 1204 KB Output is correct
63 Correct 1 ms 1380 KB Output is correct
64 Correct 1 ms 1124 KB Output is correct
65 Correct 1 ms 1124 KB Output is correct
66 Correct 1 ms 1124 KB Output is correct
67 Correct 1 ms 1120 KB Output is correct
68 Correct 1 ms 1124 KB Output is correct
69 Correct 1 ms 1380 KB Output is correct
70 Correct 1 ms 1124 KB Output is correct
71 Correct 1 ms 1124 KB Output is correct
72 Correct 1 ms 1208 KB Output is correct
73 Correct 1 ms 1124 KB Output is correct
74 Correct 1 ms 1372 KB Output is correct
75 Correct 1 ms 1112 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 0 ms 344 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 1 ms 344 KB Output is correct
84 Correct 1 ms 600 KB Output is correct
85 Correct 1 ms 600 KB Output is correct
86 Correct 1 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 0 ms 608 KB Output is correct
91 Correct 0 ms 600 KB Output is correct
92 Correct 1 ms 1368 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 1368 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 1200 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 1368 KB Output is correct
105 Correct 1 ms 1112 KB Output is correct
106 Correct 1 ms 1368 KB Output is correct
107 Correct 1 ms 1112 KB Output is correct
108 Correct 1 ms 1192 KB Output is correct
109 Correct 1 ms 1112 KB Output is correct
110 Correct 1 ms 1364 KB Output is correct
111 Correct 1 ms 1368 KB Output is correct
112 Correct 1 ms 1112 KB Output is correct
113 Correct 1 ms 1368 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 1368 KB Output is correct
117 Correct 1 ms 1112 KB Output is correct
118 Correct 1 ms 1368 KB Output is correct
119 Correct 1 ms 1112 KB Output is correct
120 Correct 1 ms 1368 KB Output is correct
121 Correct 1 ms 1112 KB Output is correct
122 Correct 1 ms 1112 KB Output is correct
123 Correct 1 ms 1112 KB Output is correct
124 Correct 1 ms 1196 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 1368 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 1368 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 1368 KB Output is correct
135 Correct 1 ms 1112 KB Output is correct