oj.uz

Submission #560196

# Submission time Handle Problem Language Result Execution time Memory
560196 2022-05-11T07:05:53 Z Ooops_sorry A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 3 ms 336 KB 
#include<bits/stdc++.h>

using namespace std;

#ifndef LOCAL
    #include "books.h"
#else
    long long skim(int i) {
        cout << "? " << i << endl;
        int val;
        cin >> val;
        return val;
    }
    void answer(vector<int> v) {
        for (auto to : v) {
            cout << to << ' ';
        }
        cout << endl;
    }
    void impossible() {
        cout << "NO WAY" << endl;
    }
#endif // LOCAL

#define pb push_back
#define ll long long

void solve(int n, int k, ll a, int s) {
    int l = -1, r = n;
    while (r - l > 1) {
        int mid = (r + l) / 2;
        if (skim(mid + 1) >= a) {
            r = mid;
        } else {
            l = mid;
        }
    }
    ll sum = 0;
    vector<int> arr;
    map<int, ll> mp;
    for (int j = 0; j < k - 1; j++) {
        ll res = skim(j + 1);
        mp[j + 1] = res;
        sum += res;
        arr.pb(j + 1);
    }
    vector<int> rem_arr = arr;
    ll val = skim(k), rem_sum = sum;
    mp[k] = val;
    sum += val;
    arr.pb(k);
    if (a <= sum && sum <= 2 * a) {
        answer(arr);
        return;
    }
    if (r >= k) {
        vector<int> nw;
        for (int j = 0; j < k; j++) {
            sum -= mp[k - j];
            sum += skim(r - j);
            nw.pb(r - j);
            arr.pop_back();
            if (a <= sum && sum <= 2 * a) {
                for (auto to : nw) arr.pb(to);
                answer(arr);
                return;
            }
        }
    }
    sum = rem_sum, arr = rem_arr;
    if (r < n) {
        if (r >= k - 1) {
            ll valr = skim(r + 1);
            sum += valr;
            if (a <= sum && sum <= 2 * a) {
                arr.pb(r + 1);
                answer(arr);
                return;
            }
        }
    }
    impossible();
}

#ifdef LOCAL
    signed main() {
        int n, k, s;
        long long a;
        cin >> n >> k >> a >> s;
        solve(n, k, a, s);
    }
#endif // LOCAL

Subtask #1
5.0 / 5.0

# 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 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct

Subtask #2
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 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 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 1 ms 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 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 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 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 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 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 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 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 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 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 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 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 208 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 1 ms 208 KB Output is correct
34 Correct 2 ms 208 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 2 ms 208 KB Output is correct
37 Correct 1 ms 268 KB Output is correct
38 Correct 2 ms 208 KB Output is correct
39 Correct 1 ms 208 KB Output is correct
40 Correct 1 ms 208 KB Output is correct
41 Correct 1 ms 208 KB Output is correct
42 Correct 1 ms 208 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 2 ms 208 KB Output is correct
47 Correct 1 ms 208 KB Output is correct
48 Correct 1 ms 208 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 3 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 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 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 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 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 208 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 2 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 1 ms 208 KB Output is correct
40 Correct 1 ms 208 KB Output is correct
41 Correct 1 ms 208 KB Output is correct
42 Correct 1 ms 208 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 208 KB Output is correct
47 Correct 2 ms 208 KB Output is correct
48 Correct 1 ms 288 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 2 ms 292 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 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 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 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 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 208 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 1 ms 208 KB Output is correct
34 Correct 2 ms 208 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 2 ms 208 KB Output is correct
37 Correct 1 ms 268 KB Output is correct
38 Correct 2 ms 208 KB Output is correct
39 Correct 1 ms 208 KB Output is correct
40 Correct 1 ms 208 KB Output is correct
41 Correct 1 ms 208 KB Output is correct
42 Correct 1 ms 208 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 2 ms 208 KB Output is correct
47 Correct 1 ms 208 KB Output is correct
48 Correct 1 ms 208 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 3 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 208 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 2 ms 208 KB Output is correct
59 Correct 1 ms 208 KB Output is correct
60 Correct 1 ms 208 KB Output is correct
61 Correct 1 ms 208 KB Output is correct
62 Correct 1 ms 208 KB Output is correct
63 Correct 1 ms 208 KB Output is correct
64 Correct 1 ms 208 KB Output is correct
65 Correct 1 ms 208 KB Output is correct
66 Correct 1 ms 208 KB Output is correct
67 Correct 1 ms 208 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 208 KB Output is correct
72 Correct 2 ms 208 KB Output is correct
73 Correct 1 ms 288 KB Output is correct
74 Correct 1 ms 208 KB Output is correct
75 Correct 2 ms 292 KB Output is correct
76 Correct 1 ms 208 KB Output is correct
77 Correct 1 ms 208 KB Output is correct
78 Correct 1 ms 208 KB Output is correct
79 Correct 1 ms 208 KB Output is correct
80 Correct 1 ms 208 KB Output is correct
81 Correct 0 ms 208 KB Output is correct
82 Correct 1 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 1 ms 292 KB Output is correct
86 Correct 1 ms 208 KB Output is correct
87 Correct 1 ms 296 KB Output is correct
88 Correct 1 ms 208 KB Output is correct
89 Correct 1 ms 208 KB Output is correct
90 Correct 1 ms 256 KB Output is correct
91 Correct 1 ms 208 KB Output is correct
92 Correct 1 ms 296 KB Output is correct
93 Correct 1 ms 208 KB Output is correct
94 Correct 1 ms 292 KB Output is correct
95 Correct 1 ms 208 KB Output is correct
96 Correct 1 ms 292 KB Output is correct
97 Correct 1 ms 292 KB Output is correct
98 Correct 1 ms 208 KB Output is correct
99 Correct 1 ms 208 KB Output is correct
100 Correct 1 ms 208 KB Output is correct
101 Correct 1 ms 288 KB Output is correct
102 Correct 1 ms 208 KB Output is correct
103 Correct 1 ms 288 KB Output is correct
104 Correct 1 ms 288 KB Output is correct
105 Correct 1 ms 208 KB Output is correct
106 Correct 0 ms 296 KB Output is correct
107 Correct 1 ms 336 KB Output is correct
108 Correct 1 ms 208 KB Output is correct
109 Correct 1 ms 208 KB Output is correct
110 Correct 1 ms 208 KB Output is correct
111 Correct 1 ms 208 KB Output is correct
112 Correct 1 ms 208 KB Output is correct
113 Correct 1 ms 288 KB Output is correct
114 Correct 1 ms 208 KB Output is correct
115 Correct 1 ms 208 KB Output is correct
116 Correct 1 ms 208 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 292 KB Output is correct
120 Correct 1 ms 292 KB Output is correct
121 Correct 1 ms 208 KB Output is correct
122 Correct 1 ms 208 KB Output is correct
123 Correct 1 ms 208 KB Output is correct
124 Correct 1 ms 208 KB Output is correct
125 Correct 1 ms 296 KB Output is correct
126 Correct 1 ms 208 KB Output is correct
127 Correct 1 ms 208 KB Output is correct
128 Correct 1 ms 292 KB Output is correct
129 Correct 1 ms 292 KB Output is correct
130 Correct 1 ms 208 KB Output is correct
131 Correct 1 ms 208 KB Output is correct
132 Correct 1 ms 208 KB Output is correct
133 Correct 1 ms 208 KB Output is correct
134 Correct 1 ms 208 KB Output is correct
135 Correct 1 ms 296 KB Output is correct