oj.uz

Submission #405005

# Submission time Handle Problem Language Result Execution time Memory
405005 2021-05-15T14:00:06 Z nicolaalexandra A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 4 ms 328 KB 
#include<bits/stdc++.h>

#include"books.h"
#define DIM 100010
using namespace std;
int n,k,s,i;
long long a;
long long v[DIM],d[DIM];
void solve(int n, int k, long long a, int s) {
    int i;

    long long sum = 0;
    for (i=1;i<=k;i++){
        d[i] = skim(i);
        sum += d[i];
    }

    if (sum > 2*a){
        impossible();
        return;
    }

    vector <int> ans;
    if (sum >= a){
        for (i=1;i<=k;i++)
            ans.push_back(i);
        answer(ans);
        return;
    }

    sum -= d[k];
    int st = k, dr = n, poz = n+1;
    long long val;

    while (st <= dr){
        int mid = (st + dr) >> 1;
        long long nr = skim (mid);
        d[mid] = nr;
        if (nr >= a){
            poz = mid, val = nr;
            dr = mid-1;
        } else st = mid+1;

    }

    if (poz <= n && sum + val >= a && sum + val <= 2*a){

        ans.push_back(poz);
        for (i=1;i<k;i++)
            ans.push_back(i);


    } else {

        sum += d[k];
        int st = 1, dr = poz-1;

        while (st <= k && sum < a){
            sum -= d[st];
            if (!d[dr])
                d[dr] = skim(dr);
            sum += d[dr];
            st++, dr--;
        }

        if (sum < a || sum > 2*a){
            impossible();
            return;
        }

        for (i=st;i<=k;i++)
            ans.push_back(i);
        for (i=dr+1;i<poz;i++)
            ans.push_back(i);
    }

    sort (ans.begin(),ans.end());
    answer(ans);


}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:46:25: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |     if (poz <= n && sum + val >= a && sum + val <= 2*a){
      |                     ~~~~^~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 2 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 200 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 2 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 2 ms 296 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 2 ms 200 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 2 ms 200 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 2 ms 200 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 3 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 3 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 276 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 4 ms 280 KB Output is correct
20 Correct 3 ms 276 KB Output is correct
21 Correct 2 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 2 ms 300 KB Output is correct
25 Correct 1 ms 200 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 3 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 276 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 4 ms 280 KB Output is correct
20 Correct 3 ms 276 KB Output is correct
21 Correct 2 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 2 ms 300 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 296 KB Output is correct
27 Correct 2 ms 292 KB Output is correct
28 Correct 1 ms 280 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 320 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 280 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 1 ms 300 KB Output is correct
40 Correct 1 ms 292 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 2 ms 300 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 2 ms 200 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 292 KB Output is correct
47 Correct 2 ms 304 KB Output is correct
48 Correct 1 ms 200 KB Output is correct
49 Correct 2 ms 328 KB Output is correct
50 Correct 1 ms 288 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 3 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 276 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 4 ms 280 KB Output is correct
20 Correct 3 ms 276 KB Output is correct
21 Correct 2 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 2 ms 300 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 284 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 2 ms 200 KB Output is correct
36 Correct 2 ms 200 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 1 ms 296 KB Output is correct
41 Correct 1 ms 200 KB Output is correct
42 Correct 1 ms 284 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 1 ms 200 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 200 KB Output is correct
47 Correct 1 ms 280 KB Output is correct
48 Correct 1 ms 328 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 200 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 3 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 276 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 4 ms 280 KB Output is correct
20 Correct 3 ms 276 KB Output is correct
21 Correct 2 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 2 ms 300 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 296 KB Output is correct
27 Correct 2 ms 292 KB Output is correct
28 Correct 1 ms 280 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 320 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 280 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 1 ms 300 KB Output is correct
40 Correct 1 ms 292 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 2 ms 300 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 2 ms 200 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 292 KB Output is correct
47 Correct 2 ms 304 KB Output is correct
48 Correct 1 ms 200 KB Output is correct
49 Correct 2 ms 328 KB Output is correct
50 Correct 1 ms 288 KB Output is correct
51 Correct 1 ms 200 KB Output is correct
52 Correct 1 ms 296 KB Output is correct
53 Correct 1 ms 200 KB Output is correct
54 Correct 1 ms 200 KB Output is correct
55 Correct 1 ms 200 KB Output is correct
56 Correct 1 ms 200 KB Output is correct
57 Correct 1 ms 200 KB Output is correct
58 Correct 1 ms 284 KB Output is correct
59 Correct 1 ms 200 KB Output is correct
60 Correct 2 ms 200 KB Output is correct
61 Correct 2 ms 200 KB Output is correct
62 Correct 1 ms 200 KB Output is correct
63 Correct 1 ms 200 KB Output is correct
64 Correct 1 ms 328 KB Output is correct
65 Correct 1 ms 296 KB Output is correct
66 Correct 1 ms 200 KB Output is correct
67 Correct 1 ms 284 KB Output is correct
68 Correct 1 ms 200 KB Output is correct
69 Correct 1 ms 200 KB Output is correct
70 Correct 1 ms 200 KB Output is correct
71 Correct 1 ms 200 KB Output is correct
72 Correct 1 ms 280 KB Output is correct
73 Correct 1 ms 328 KB Output is correct
74 Correct 1 ms 328 KB Output is correct
75 Correct 1 ms 200 KB Output is correct
76 Correct 1 ms 200 KB Output is correct
77 Correct 1 ms 200 KB Output is correct
78 Correct 1 ms 200 KB Output is correct
79 Correct 1 ms 200 KB Output is correct
80 Correct 1 ms 200 KB Output is correct
81 Correct 1 ms 200 KB Output is correct
82 Correct 1 ms 200 KB Output is correct
83 Correct 1 ms 200 KB Output is correct
84 Correct 1 ms 200 KB Output is correct
85 Correct 1 ms 200 KB Output is correct
86 Correct 2 ms 200 KB Output is correct
87 Correct 1 ms 300 KB Output is correct
88 Correct 1 ms 200 KB Output is correct
89 Correct 1 ms 200 KB Output is correct
90 Correct 1 ms 200 KB Output is correct
91 Correct 1 ms 200 KB Output is correct
92 Correct 1 ms 300 KB Output is correct
93 Correct 1 ms 276 KB Output is correct
94 Correct 1 ms 200 KB Output is correct
95 Correct 1 ms 200 KB Output is correct
96 Correct 1 ms 200 KB Output is correct
97 Correct 1 ms 200 KB Output is correct
98 Correct 1 ms 200 KB Output is correct
99 Correct 1 ms 276 KB Output is correct
100 Correct 1 ms 200 KB Output is correct
101 Correct 1 ms 304 KB Output is correct
102 Correct 1 ms 284 KB Output is correct
103 Correct 1 ms 200 KB Output is correct
104 Correct 1 ms 200 KB Output is correct
105 Correct 1 ms 328 KB Output is correct
106 Correct 1 ms 200 KB Output is correct
107 Correct 1 ms 300 KB Output is correct
108 Correct 2 ms 284 KB Output is correct
109 Correct 1 ms 200 KB Output is correct
110 Correct 1 ms 292 KB Output is correct
111 Correct 1 ms 200 KB Output is correct
112 Correct 1 ms 288 KB Output is correct
113 Correct 1 ms 200 KB Output is correct
114 Correct 2 ms 300 KB Output is correct
115 Correct 1 ms 328 KB Output is correct
116 Correct 1 ms 200 KB Output is correct
117 Correct 2 ms 292 KB Output is correct
118 Correct 1 ms 200 KB Output is correct
119 Correct 1 ms 200 KB Output is correct
120 Correct 1 ms 200 KB Output is correct
121 Correct 1 ms 276 KB Output is correct
122 Correct 1 ms 284 KB Output is correct
123 Correct 1 ms 296 KB Output is correct
124 Correct 1 ms 288 KB Output is correct
125 Correct 1 ms 300 KB Output is correct
126 Correct 1 ms 200 KB Output is correct
127 Correct 1 ms 200 KB Output is correct
128 Correct 1 ms 200 KB Output is correct
129 Correct 1 ms 276 KB Output is correct
130 Correct 1 ms 296 KB Output is correct
131 Correct 1 ms 328 KB Output is correct
132 Correct 1 ms 200 KB Output is correct
133 Correct 1 ms 328 KB Output is correct
134 Correct 2 ms 200 KB Output is correct
135 Correct 2 ms 328 KB Output is correct