oj.uz

Submission #721169

# Submission time Handle Problem Language Result Execution time Memory
721169 2023-04-10T12:26:21 Z FatihSolak A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 2 ms 296 KB 
#include <bits/stdc++.h>

#include "books.h"

using namespace std;
int cnt = 0;
long long get(int pos){
    assert(cnt++ <= 40);
    return skim(pos);
}
void solve(int n, int k, long long a, int s){
    int l = 1,r = n+1;
    while(l < r){
        int m = (l+r)/2;
        if(get(m) < a){
            l = m + 1;
        }
        else r = m;
    }
    vector<pair<int,long long>> x;
    vector<pair<int,long long>> y;
    for(int i = 1;i<=k;i++){
        x.push_back({i,get(i)});
    }
    if(l < k){
        impossible();
    }
    if(l != n+1){
        long long sum = get(l);
        for(int i = 0;i<k-1;i++){
            sum += x[i].second;
        }
        if(a <= sum && sum <= 2*a){
            vector<int> ret;
            for(int i = 1;i<=k-1;i++){
                ret.push_back(i);
            }
            ret.push_back(l);
            assert(ret.size()  == k);
            answer(ret);
        }
    }
    if(l == k){
        impossible();
    }
    for(int i = k;i>=1;i--){
        y.push_back({l-i,get(l-i)});
    }
    long long sum = 0;
    for(auto u:x){
        sum += u.second;
    }
    if(a <= sum && sum <= 2*a){
        vector<int> ret;
        for(int i = 1;i<=k;i++){
            ret.push_back(i);
        }
        assert(ret.size()  == k);
        answer(ret);
    }
    if(sum > 2*a){
        impossible();
    }
    for(int i = 1;i<=k;i++){
        sum -= x[k-i].second;
        sum += y[k-i].second;
        if(a <= sum && sum <= 2*a){
            vector<int> ret;
            for(int j = 1;j<=k-i;j++){
                ret.push_back(j);
            }
            for(int j = k-1;j>=k-i;j--){
                ret.push_back(y[j].first);
            }
            assert(ret.size()  == k);
            sort(ret.begin(),ret.end());
            answer(ret);
        }
        assert(sum < a);
    }
    impossible();
}

Compilation message

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from books.cpp:1:
books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:39:32: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |             assert(ret.size()  == k);
      |                    ~~~~~~~~~~~~^~~~
books.cpp:58:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   58 |         assert(ret.size()  == k);
      |                ~~~~~~~~~~~~^~~~
books.cpp:75:32: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   75 |             assert(ret.size()  == k);
      |                    ~~~~~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 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 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 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 0 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 0 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
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 0 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
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 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 1 ms 288 KB Output is correct
48 Correct 1 ms 208 KB Output is correct
49 Correct 1 ms 288 KB Output is correct
50 Correct 1 ms 268 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 0 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
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 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 1 ms 208 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 1 ms 208 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 0 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
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 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 1 ms 288 KB Output is correct
48 Correct 1 ms 208 KB Output is correct
49 Correct 1 ms 288 KB Output is correct
50 Correct 1 ms 268 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 1 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 1 ms 208 KB Output is correct
73 Correct 1 ms 296 KB Output is correct
74 Correct 1 ms 208 KB Output is correct
75 Correct 1 ms 208 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 224 KB Output is correct
84 Correct 1 ms 208 KB Output is correct
85 Correct 1 ms 208 KB Output is correct
86 Correct 1 ms 208 KB Output is correct
87 Correct 1 ms 208 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 208 KB Output is correct
91 Correct 1 ms 208 KB Output is correct
92 Correct 1 ms 208 KB Output is correct
93 Correct 1 ms 208 KB Output is correct
94 Correct 1 ms 208 KB Output is correct
95 Correct 1 ms 208 KB Output is correct
96 Correct 1 ms 208 KB Output is correct
97 Correct 1 ms 208 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 208 KB Output is correct
102 Correct 1 ms 208 KB Output is correct
103 Correct 1 ms 208 KB Output is correct
104 Correct 1 ms 208 KB Output is correct
105 Correct 1 ms 220 KB Output is correct
106 Correct 1 ms 208 KB Output is correct
107 Correct 1 ms 208 KB Output is correct
108 Correct 1 ms 208 KB Output is correct
109 Correct 2 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 208 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 208 KB Output is correct
120 Correct 1 ms 208 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 256 KB Output is correct
124 Correct 1 ms 208 KB Output is correct
125 Correct 1 ms 208 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 208 KB Output is correct
129 Correct 1 ms 208 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 208 KB Output is correct