oj.uz

Submission #950903

# Submission time Handle Problem Language Result Execution time Memory
950903 2024-03-21T01:44:57 Z pcc A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 14 ms 608 KB 
#include <bits/stdc++.h>

#include "books.h"
#define ll long long
#define pll pair<ll,ll>
#define fs first
#define sc second

using namespace std;
/*
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
//     books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ books_sample.cpp sample_grader.cpp
// in this folder.
//

if (skim(2) == 42) {
	impossible();
} else {
	answer({1, 3});
}
*/

map<ll,ll> mp;
ll ask(ll p){
	if(mp.find(p) != mp.end())return mp[p];
	else return mp[p] = skim(p);
}

void solve(int N, int K, long long A, int S) {
	mp.clear();
	vector<pll> v;
	ll sum = 0;
	for(int i = 1;i<=K;i++){
		v.push_back(pll(i,ask(i)));
	}
	ll l = 1,r = N+1;
	while(l+1<r){
		ll mid = (l+r)>>1;
		if(ask(mid)>=A)r = mid;
		else l = mid;
	}
	if(r != N+1){
		ll sum = ask(r);
		int cnt = 1;
		vector<int> ans = {r};
		for(int i = 1;i<=K;i++){
			if(ans.size()>=K)break;
			if(i == ans[0])continue;
			ans.push_back(i);
			sum += ask(i);
		}
		if(sum>=A&&sum<=A*2){
			answer(ans);
			return;
		}
	}
	for(int i = 1;i<=K;i++){
		if(r-i>0)v.push_back(pll(r-i,ask(r-i)));
	}
	sort(v.begin(),v.end());
	v.erase(unique(v.begin(),v.end()),v.end());
	for(int i = 0;i<(1<<v.size());i++){
		if(__builtin_popcount(i) != K)continue;
		ll sum = 0;
		for(int j = 0;j<v.size();j++){
			if(i&(1<<j))sum += v[j].sc;
		}
		if(sum>=A&&sum<=A*2){
			vector<int> ans;
			for(int j = 0;j<v.size();j++){
				if(i&(1<<j))ans.push_back(v[j].fs);
			}
			answer(ans);
			return;
		}
	}
	impossible();
	return;
}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:50:22: warning: narrowing conversion of 'r' from 'long long int' to 'int' [-Wnarrowing]
   50 |   vector<int> ans = {r};
      |                      ^
books.cpp:50:22: warning: narrowing conversion of 'r' from 'long long int' to 'int' [-Wnarrowing]
books.cpp:52:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   52 |    if(ans.size()>=K)break;
      |       ~~~~~~~~~~^~~
books.cpp:49:7: warning: unused variable 'cnt' [-Wunused-variable]
   49 |   int cnt = 1;
      |       ^~~
books.cpp:70:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |   for(int j = 0;j<v.size();j++){
      |                 ~^~~~~~~~~
books.cpp:75:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |    for(int j = 0;j<v.size();j++){
      |                  ~^~~~~~~~~
books.cpp:37:5: warning: unused variable 'sum' [-Wunused-variable]
   37 |  ll sum = 0;
      |     ^~~

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 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

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

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 596 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 428 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 1 ms 504 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 596 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 428 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 424 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 13 ms 600 KB Output is correct
18 Correct 0 ms 608 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 600 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 596 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 428 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 424 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 13 ms 600 KB Output is correct
18 Correct 0 ms 608 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 0 ms 600 KB Output is correct
29 Correct 0 ms 428 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 596 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 13 ms 600 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 600 KB Output is correct
36 Correct 1 ms 428 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 600 KB Output is correct
39 Correct 1 ms 344 KB Output is correct
40 Correct 0 ms 440 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 0 ms 592 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 600 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 1 ms 600 KB Output is correct
50 Correct 13 ms 344 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 596 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 428 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 424 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 13 ms 600 KB Output is correct
18 Correct 0 ms 608 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 600 KB Output is correct
28 Correct 1 ms 436 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 0 ms 600 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 14 ms 600 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 432 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 1 ms 432 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 1 ms 600 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 0 ms 600 KB Output is correct
46 Correct 1 ms 596 KB Output is correct
47 Correct 13 ms 600 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 0 ms 344 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 596 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 428 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 424 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 13 ms 600 KB Output is correct
18 Correct 0 ms 608 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 0 ms 600 KB Output is correct
29 Correct 0 ms 428 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 596 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 13 ms 600 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 600 KB Output is correct
36 Correct 1 ms 428 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 600 KB Output is correct
39 Correct 1 ms 344 KB Output is correct
40 Correct 0 ms 440 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 0 ms 592 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 600 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 1 ms 600 KB Output is correct
50 Correct 13 ms 344 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 0 ms 600 KB Output is correct
53 Correct 1 ms 436 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 0 ms 600 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 600 KB Output is correct
58 Correct 14 ms 600 KB Output is correct
59 Correct 1 ms 344 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 0 ms 344 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 0 ms 432 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 1 ms 432 KB Output is correct
67 Correct 0 ms 344 KB Output is correct
68 Correct 1 ms 600 KB Output is correct
69 Correct 1 ms 344 KB Output is correct
70 Correct 0 ms 600 KB Output is correct
71 Correct 1 ms 596 KB Output is correct
72 Correct 13 ms 600 KB Output is correct
73 Correct 0 ms 340 KB Output is correct
74 Correct 1 ms 344 KB Output is correct
75 Correct 0 ms 344 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 0 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 344 KB Output is correct
81 Correct 1 ms 344 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 344 KB Output is correct
86 Correct 1 ms 344 KB Output is correct
87 Correct 13 ms 344 KB Output is correct
88 Correct 1 ms 344 KB Output is correct
89 Correct 0 ms 344 KB Output is correct
90 Correct 0 ms 600 KB Output is correct
91 Correct 13 ms 596 KB Output is correct
92 Correct 0 ms 344 KB Output is correct
93 Correct 0 ms 344 KB Output is correct
94 Correct 1 ms 344 KB Output is correct
95 Correct 1 ms 344 KB Output is correct
96 Correct 1 ms 344 KB Output is correct
97 Correct 1 ms 600 KB Output is correct
98 Correct 1 ms 344 KB Output is correct
99 Correct 13 ms 344 KB Output is correct
100 Correct 1 ms 344 KB Output is correct
101 Correct 1 ms 604 KB Output is correct
102 Correct 1 ms 344 KB Output is correct
103 Correct 1 ms 600 KB Output is correct
104 Correct 1 ms 344 KB Output is correct
105 Correct 0 ms 344 KB Output is correct
106 Correct 1 ms 428 KB Output is correct
107 Correct 0 ms 344 KB Output is correct
108 Correct 1 ms 600 KB Output is correct
109 Correct 1 ms 344 KB Output is correct
110 Correct 0 ms 600 KB Output is correct
111 Correct 0 ms 600 KB Output is correct
112 Correct 0 ms 340 KB Output is correct
113 Correct 1 ms 344 KB Output is correct
114 Correct 1 ms 608 KB Output is correct
115 Correct 1 ms 344 KB Output is correct
116 Correct 14 ms 600 KB Output is correct
117 Correct 1 ms 344 KB Output is correct
118 Correct 0 ms 344 KB Output is correct
119 Correct 0 ms 600 KB Output is correct
120 Correct 1 ms 344 KB Output is correct
121 Correct 1 ms 600 KB Output is correct
122 Correct 13 ms 344 KB Output is correct
123 Correct 0 ms 344 KB Output is correct
124 Correct 0 ms 600 KB Output is correct
125 Correct 1 ms 344 KB Output is correct
126 Correct 1 ms 344 KB Output is correct
127 Correct 1 ms 600 KB Output is correct
128 Correct 1 ms 600 KB Output is correct
129 Correct 1 ms 344 KB Output is correct
130 Correct 1 ms 600 KB Output is correct
131 Correct 13 ms 600 KB Output is correct
132 Correct 1 ms 600 KB Output is correct
133 Correct 0 ms 344 KB Output is correct
134 Correct 1 ms 440 KB Output is correct
135 Correct 13 ms 344 KB Output is correct