oj.uz

Submission #652490

# Submission time Handle Problem Language Result Execution time Memory
652490 2022-10-22T18:22:09 Z flappybird A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 2 ms 336 KB 
#include <bits/stdc++.h>

#include "books.h"
typedef long long ll;
using namespace std;

#define MAX 101010
ll arr[MAX];

ll query(int x) {
	if (arr[x]) return arr[x];
	return arr[x] = skim(x);
}

void solve(int N, int K, long long A, int S) {
	int i;
	ll sum = 0;
	for (i = 1; i < K; i++) sum += query(i);
	int l, r;
	l = K;
	r = N + 1;
	while (r - l > 1) {
		int mid = (l + r) / 2;
		if (query(mid) + sum > 2ll * A) r = mid;
		else l = mid;
	}
	if (sum + query(l) > 2ll * A) {
		impossible();
		return;
	}
	if (sum + query(l) >= A) {
		vector<int> v;
		int i;
		for (i = 1; i < K; i++) v.push_back(i);
		v.push_back(l);
		answer(v);
	}
	for (i = K; i >= 0; i--) {
		int j;
		ll sum = 0;
		for (j = 1; j <= i; j++) sum += query(j);
		for (j = 1; j <= K - i; j++) sum += query(l - j + 1);
		if (A <= sum && sum <= 2 * A) {
			vector<int> v;
			for (j = 1; j <= i; j++) v.push_back(j);
			for (j = 1; j <= K - i; j++) v.push_back(l - j + 1);
			answer(v);
			return;
		}
	}
	impossible();
}

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 308 KB Output is correct
10 Correct 1 ms 336 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 312 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 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 284 KB Output is correct
5 Correct 1 ms 284 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 308 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 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 284 KB Output is correct
5 Correct 1 ms 284 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 304 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 300 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 308 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 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 284 KB Output is correct
5 Correct 1 ms 284 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 304 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 300 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 304 KB Output is correct
29 Correct 1 ms 296 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 284 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 300 KB Output is correct
35 Correct 1 ms 312 KB Output is correct
36 Correct 1 ms 288 KB Output is correct
37 Correct 1 ms 296 KB Output is correct
38 Correct 1 ms 308 KB Output is correct
39 Correct 1 ms 304 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 324 KB Output is correct
42 Correct 1 ms 284 KB Output is correct
43 Correct 1 ms 288 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 288 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 1 ms 300 KB Output is correct
48 Correct 1 ms 208 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 2 ms 308 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 284 KB Output is correct
5 Correct 1 ms 284 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 304 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 300 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 1 ms 300 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 312 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 296 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 1 ms 296 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 300 KB Output is correct
37 Correct 1 ms 300 KB Output is correct
38 Correct 1 ms 284 KB Output is correct
39 Correct 1 ms 312 KB Output is correct
40 Correct 1 ms 336 KB Output is correct
41 Correct 1 ms 336 KB Output is correct
42 Correct 1 ms 296 KB Output is correct
43 Correct 1 ms 284 KB Output is correct
44 Correct 1 ms 296 KB Output is correct
45 Correct 1 ms 208 KB Output is correct
46 Correct 1 ms 296 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 308 KB Output is correct
50 Correct 1 ms 288 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 284 KB Output is correct
5 Correct 1 ms 284 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 304 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 300 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 304 KB Output is correct
29 Correct 1 ms 296 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 284 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 300 KB Output is correct
35 Correct 1 ms 312 KB Output is correct
36 Correct 1 ms 288 KB Output is correct
37 Correct 1 ms 296 KB Output is correct
38 Correct 1 ms 308 KB Output is correct
39 Correct 1 ms 304 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 324 KB Output is correct
42 Correct 1 ms 284 KB Output is correct
43 Correct 1 ms 288 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 288 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 1 ms 300 KB Output is correct
48 Correct 1 ms 208 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 2 ms 308 KB Output is correct
51 Correct 1 ms 300 KB Output is correct
52 Correct 1 ms 308 KB Output is correct
53 Correct 1 ms 312 KB Output is correct
54 Correct 1 ms 304 KB Output is correct
55 Correct 1 ms 296 KB Output is correct
56 Correct 1 ms 208 KB Output is correct
57 Correct 1 ms 296 KB Output is correct
58 Correct 1 ms 300 KB Output is correct
59 Correct 1 ms 336 KB Output is correct
60 Correct 1 ms 208 KB Output is correct
61 Correct 1 ms 300 KB Output is correct
62 Correct 1 ms 300 KB Output is correct
63 Correct 1 ms 284 KB Output is correct
64 Correct 1 ms 312 KB Output is correct
65 Correct 1 ms 336 KB Output is correct
66 Correct 1 ms 336 KB Output is correct
67 Correct 1 ms 296 KB Output is correct
68 Correct 1 ms 284 KB Output is correct
69 Correct 1 ms 296 KB Output is correct
70 Correct 1 ms 208 KB Output is correct
71 Correct 1 ms 296 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 308 KB Output is correct
75 Correct 1 ms 288 KB Output is correct
76 Correct 0 ms 208 KB Output is correct
77 Correct 1 ms 208 KB Output is correct
78 Correct 0 ms 304 KB Output is correct
79 Correct 0 ms 208 KB Output is correct
80 Correct 1 ms 208 KB Output is correct
81 Correct 1 ms 308 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 308 KB Output is correct
85 Correct 1 ms 308 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 300 KB Output is correct
93 Correct 1 ms 304 KB Output is correct
94 Correct 1 ms 300 KB Output is correct
95 Correct 1 ms 208 KB Output is correct
96 Correct 1 ms 300 KB Output is correct
97 Correct 1 ms 284 KB Output is correct
98 Correct 1 ms 208 KB Output is correct
99 Correct 1 ms 308 KB Output is correct
100 Correct 1 ms 296 KB Output is correct
101 Correct 1 ms 300 KB Output is correct
102 Correct 1 ms 312 KB Output is correct
103 Correct 1 ms 304 KB Output is correct
104 Correct 1 ms 316 KB Output is correct
105 Correct 1 ms 304 KB Output is correct
106 Correct 1 ms 288 KB Output is correct
107 Correct 1 ms 308 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 304 KB Output is correct
111 Correct 1 ms 208 KB Output is correct
112 Correct 1 ms 300 KB Output is correct
113 Correct 1 ms 308 KB Output is correct
114 Correct 1 ms 304 KB Output is correct
115 Correct 1 ms 208 KB Output is correct
116 Correct 1 ms 308 KB Output is correct
117 Correct 1 ms 308 KB Output is correct
118 Correct 1 ms 296 KB Output is correct
119 Correct 1 ms 296 KB Output is correct
120 Correct 1 ms 336 KB Output is correct
121 Correct 1 ms 284 KB Output is correct
122 Correct 1 ms 312 KB Output is correct
123 Correct 1 ms 312 KB Output is correct
124 Correct 1 ms 312 KB Output is correct
125 Correct 1 ms 308 KB Output is correct
126 Correct 1 ms 300 KB Output is correct
127 Correct 1 ms 296 KB Output is correct
128 Correct 1 ms 296 KB Output is correct
129 Correct 1 ms 288 KB Output is correct
130 Correct 1 ms 308 KB Output is correct
131 Correct 1 ms 208 KB Output is correct
132 Correct 1 ms 308 KB Output is correct
133 Correct 1 ms 336 KB Output is correct
134 Correct 1 ms 304 KB Output is correct
135 Correct 1 ms 308 KB Output is correct