oj.uz

Submission #953900

# Submission time Handle Problem Language Result Execution time Memory
953900 2024-03-26T20:20:57 Z Dec0Dedd A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 1 ms 1108 KB 
#include <bits/stdc++.h>
#include "books.h"

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int N = 1e5+10;
const int X = 12;

ll n, k, a, s;
bool us[N];
ll val[N];

ll ask(int x) {
    if (us[x]) return val[x];
    us[x]=true;
    return val[x]=skim(x);
}

bool check(vector<int> v) {
    ll sm=0;
    for (auto u : v) sm+=ask(u);
    return a <= sm && sm <= 2*a;
}

void solve(int _n, int _k, ll _a, int _s) {
    n=_n, k=_k, a=_a, s=_s;

    ll sm=0;
    vector<int> v;
    for (int i=1; i<k; ++i) v.push_back(i), sm+=ask(i);
    if (sm+ask(k) > 2*a) {
        impossible();
        return;
    } else if (a <= sm+ask(k) && sm+ask(k) <= 2*a) {
        v.push_back(k);
        answer(v);
        return;
    } sm+=ask(k);

    int l=k, r=n, res=l;
    while (l <= r) {
        int m=(l+r)/2;
        if (ask(m) <= a) res=m, l=m+1;
        else r=m-1;
    }

    set<int> sx;
    for (int i=1; i<=k; ++i) sx.insert(i);

    if (res+1 <= n && sm-ask(k)+ask(res+1) <= 2*a && sm-ask(k)+ask(res+1) >= a) {
        sx.erase(k), sx.insert(res+1);
        answer(vector<int>(sx.begin(), sx.end()));
        return;
    }

    int lp=k, rp=res;
    while (sm < a && lp > 0) {
        if (sm-ask(lp)+ask(rp) <= 2*a) {
            sm=sm-ask(lp)+ask(rp);
            sx.erase(lp), sx.insert(rp);
            --lp, --rp;
        } else {
            int lf=lp, rf=rp, res=lp;

            while (lf <= rf) {
                int m=(lf+rf)/2;
                if (sm-ask(lp)+ask(m) <= 2*a) res=m, lf=m+1;
                else rf=m-1;
            }

            sx.erase(lp), sx.insert(res);
            sm=sm-ask(lp)+ask(res);
            assert(a <= sm && sm <= 2*a);

            vector<int> v(sx.begin(), sx.end());
            answer(v);
        }
    } 

    if (sm >= a && sm <= 2*a) answer(vector<int>{sx.begin(), sx.end()});
    else 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 600 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 344 KB Output is correct
8 Correct 1 ms 600 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 600 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 340 KB Output is correct
10 Correct 0 ms 596 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 600 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 1 ms 600 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 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 1 ms 600 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 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 448 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 540 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 1 ms 600 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 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 448 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 540 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 448 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 1 ms 452 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 448 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 1 ms 596 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 1 ms 600 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 0 ms 448 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 600 KB Output is correct
50 Correct 1 ms 1108 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 1 ms 600 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 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 448 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 540 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 600 KB Output is correct
27 Correct 0 ms 452 KB Output is correct
28 Correct 0 ms 444 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 0 ms 596 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 416 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 0 ms 600 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 1 ms 600 KB Output is correct
47 Correct 1 ms 448 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 448 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 1 ms 600 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 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 448 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 540 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 448 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 1 ms 452 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 448 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 1 ms 596 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 1 ms 600 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 0 ms 448 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 600 KB Output is correct
50 Correct 1 ms 1108 KB Output is correct
51 Correct 0 ms 600 KB Output is correct
52 Correct 0 ms 452 KB Output is correct
53 Correct 0 ms 444 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 0 ms 596 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 0 ms 416 KB Output is correct
58 Correct 1 ms 344 KB Output is correct
59 Correct 1 ms 344 KB Output is correct
60 Correct 1 ms 344 KB Output is correct
61 Correct 1 ms 600 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 1 ms 344 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 1 ms 344 KB Output is correct
66 Correct 0 ms 600 KB Output is correct
67 Correct 1 ms 344 KB Output is correct
68 Correct 0 ms 344 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 1 ms 600 KB Output is correct
72 Correct 1 ms 448 KB Output is correct
73 Correct 1 ms 344 KB Output is correct
74 Correct 0 ms 344 KB Output is correct
75 Correct 0 ms 448 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 1 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 1 ms 588 KB Output is correct
81 Correct 0 ms 596 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 1 ms 444 KB Output is correct
87 Correct 0 ms 344 KB Output is correct
88 Correct 0 ms 344 KB Output is correct
89 Correct 0 ms 600 KB Output is correct
90 Correct 1 ms 852 KB Output is correct
91 Correct 1 ms 600 KB Output is correct
92 Correct 0 ms 600 KB Output is correct
93 Correct 1 ms 444 KB Output is correct
94 Correct 1 ms 596 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 1 ms 344 KB Output is correct
97 Correct 0 ms 344 KB Output is correct
98 Correct 0 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 1 ms 344 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 344 KB Output is correct
105 Correct 0 ms 448 KB Output is correct
106 Correct 1 ms 344 KB Output is correct
107 Correct 0 ms 600 KB Output is correct
108 Correct 0 ms 340 KB Output is correct
109 Correct 0 ms 344 KB Output is correct
110 Correct 0 ms 344 KB Output is correct
111 Correct 0 ms 408 KB Output is correct
112 Correct 0 ms 344 KB Output is correct
113 Correct 1 ms 340 KB Output is correct
114 Correct 1 ms 344 KB Output is correct
115 Correct 0 ms 344 KB Output is correct
116 Correct 0 ms 600 KB Output is correct
117 Correct 0 ms 344 KB Output is correct
118 Correct 0 ms 344 KB Output is correct
119 Correct 1 ms 344 KB Output is correct
120 Correct 1 ms 344 KB Output is correct
121 Correct 1 ms 344 KB Output is correct
122 Correct 0 ms 344 KB Output is correct
123 Correct 0 ms 600 KB Output is correct
124 Correct 1 ms 344 KB Output is correct
125 Correct 1 ms 344 KB Output is correct
126 Correct 0 ms 444 KB Output is correct
127 Correct 0 ms 596 KB Output is correct
128 Correct 1 ms 600 KB Output is correct
129 Correct 1 ms 344 KB Output is correct
130 Correct 0 ms 452 KB Output is correct
131 Correct 1 ms 612 KB Output is correct
132 Correct 0 ms 344 KB Output is correct
133 Correct 0 ms 600 KB Output is correct
134 Correct 1 ms 344 KB Output is correct
135 Correct 1 ms 344 KB Output is correct