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Submission #600181

# Submission time Handle Problem Language Result Execution time Memory
600181 2022-07-20T13:57:03 Z alexander707070 A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 2 ms 308 KB 
#include<bits/stdc++.h>
#define LL __int128
#include "books.h"
using namespace std;

int n,k,s;
LL a,curr,val,sum,last;
vector< pair<LL,int> > w;
vector<int> ans;

void solve(int N,int K,long long A,int S){
    n=N; k=K; a=A; s=S;

    int l=0,r=n+1,mid;
    while(l+1<r){
        mid=(l+r)/2;
        curr=skim(mid);
        if(curr>=a){
            r=mid;
        }else{
            l=mid;
        }
    }

    if(r<k)impossible();

    for(int i=1;i<=k;i++){
        w.push_back({skim(i),i});
        if(i<k)sum+=w.back().first;
    }
    for(int i=max(k+1,r-k);i<=r-1;i++){
        w.push_back({skim(i),i});
    }

    if(r!=n+1)val=skim(r);

    for(int i=0;i+k-1<w.size();i++){
        curr=0; ans.clear();
        for(int f=i;f<=i+k-1;f++){
            curr+=w[f].first;
            ans.push_back(w[f].second);
        }
        if(curr>=a and curr<=2*a){
            answer(ans);
            return;   
        }
    }

    if(r==n+1 or val+sum>2*a){
        impossible();
    }else{
        ans.clear();
        for(int i=1;i<=k-1;i++){
            ans.push_back(i);
        }
        ans.push_back(r);
        answer(ans);
    }
}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<__int128, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(int i=0;i+k-1<w.size();i++){
      |                 ~~~~~^~~~~~~~~

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 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 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 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 296 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 308 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 276 KB Output is correct
3 Correct 1 ms 276 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 300 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 276 KB Output is correct
3 Correct 1 ms 276 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 300 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 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
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 276 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 304 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 296 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 276 KB Output is correct
3 Correct 1 ms 276 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 300 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 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
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 276 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 304 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 296 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 280 KB Output is correct
34 Correct 1 ms 288 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 304 KB Output is correct
40 Correct 1 ms 300 KB Output is correct
41 Correct 1 ms 300 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 300 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 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 276 KB Output is correct
3 Correct 1 ms 276 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 300 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 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
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 276 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 304 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 296 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 300 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 280 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 296 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 300 KB Output is correct
42 Correct 1 ms 300 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 208 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 ms 276 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 276 KB Output is correct
3 Correct 1 ms 276 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 300 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 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
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 276 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 304 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 296 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 280 KB Output is correct
34 Correct 1 ms 288 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 304 KB Output is correct
40 Correct 1 ms 300 KB Output is correct
41 Correct 1 ms 300 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 300 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 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 300 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 280 KB Output is correct
60 Correct 1 ms 208 KB Output is correct
61 Correct 1 ms 296 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 300 KB Output is correct
67 Correct 1 ms 300 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 208 KB Output is correct
74 Correct 1 ms 300 KB Output is correct
75 Correct 1 ms 276 KB Output is correct
76 Correct 1 ms 208 KB Output is correct
77 Correct 0 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 1 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 296 KB Output is correct
85 Correct 1 ms 208 KB Output is correct
86 Correct 1 ms 288 KB Output is correct
87 Correct 1 ms 208 KB Output is correct
88 Correct 1 ms 304 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 296 KB Output is correct
92 Correct 1 ms 208 KB Output is correct
93 Correct 1 ms 292 KB Output is correct
94 Correct 1 ms 288 KB Output is correct
95 Correct 1 ms 296 KB Output is correct
96 Correct 1 ms 292 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 288 KB Output is correct
100 Correct 1 ms 292 KB Output is correct
101 Correct 1 ms 208 KB Output is correct
102 Correct 1 ms 288 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 1 ms 208 KB Output is correct
107 Correct 1 ms 208 KB Output is correct
108 Correct 1 ms 288 KB Output is correct
109 Correct 1 ms 208 KB Output is correct
110 Correct 1 ms 296 KB Output is correct
111 Correct 1 ms 208 KB Output is correct
112 Correct 1 ms 288 KB Output is correct
113 Correct 1 ms 296 KB Output is correct
114 Correct 1 ms 284 KB Output is correct
115 Correct 1 ms 300 KB Output is correct
116 Correct 1 ms 288 KB Output is correct
117 Correct 1 ms 288 KB Output is correct
118 Correct 1 ms 208 KB Output is correct
119 Correct 1 ms 296 KB Output is correct
120 Correct 0 ms 296 KB Output is correct
121 Correct 1 ms 284 KB Output is correct
122 Correct 1 ms 288 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 288 KB Output is correct
126 Correct 1 ms 208 KB Output is correct
127 Correct 1 ms 296 KB Output is correct
128 Correct 1 ms 208 KB Output is correct
129 Correct 1 ms 288 KB Output is correct
130 Correct 1 ms 280 KB Output is correct
131 Correct 1 ms 292 KB Output is correct
132 Correct 1 ms 300 KB Output is correct
133 Correct 1 ms 208 KB Output is correct
134 Correct 1 ms 292 KB Output is correct
135 Correct 1 ms 296 KB Output is correct