Submission #777002

# Submission time Handle Problem Language Result Execution time Memory
777002 2023-07-08T13:21:25 Z faruk The Big Prize (IOI17_prize) C++17
90 / 100
78 ms 11376 KB
#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

int sqrtn = 473;

vector<vector<int>> memo(2e5+1, vector<int>(2, -1));
vector<int> myask(int a) {
	if (memo[a][0] != -1)
		return memo[a];
	return memo[a]= ask(a);
}

int find_best(int n) {
	sqrtn = min(sqrtn, n);
	int max_sum = 0;
	for (int i = 0; i < sqrtn; i++)
	{
		auto a = myask(i);
		max_sum = max(max_sum, a[0] + a[1]);
		if (a[0] + a[1] == 0) {
			return i;
		}
	}

	for (int i = sqrtn; i < n; i++) {
		auto val = myask(i);
		if (val[0] + val[1] != max_sum) {
			if (val[0] + val[1] == 0)
				return i;
			continue;
		}
		
		int rval = val[1];
		int l = i, r = n - 1, ans = -1;
		while (l < r) {
			int mid = (l + r) / 2;
			auto midval = myask(mid);
			if (midval[0] + midval[1] != max_sum || midval[1] < rval)
				r = mid;
			else
				l = mid + 1, ans = mid;
		}

		i = ans;
	}

	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 13 ms 11344 KB Output is correct
2 Correct 11 ms 11260 KB Output is correct
3 Correct 18 ms 11260 KB Output is correct
4 Correct 11 ms 11268 KB Output is correct
5 Correct 12 ms 11216 KB Output is correct
6 Correct 14 ms 11264 KB Output is correct
7 Correct 18 ms 11216 KB Output is correct
8 Correct 17 ms 11216 KB Output is correct
9 Correct 15 ms 11216 KB Output is correct
10 Correct 12 ms 11216 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 15 ms 11264 KB Output is correct
2 Correct 15 ms 11252 KB Output is correct
3 Correct 15 ms 11156 KB Output is correct
4 Correct 11 ms 11272 KB Output is correct
5 Correct 17 ms 11272 KB Output is correct
6 Correct 9 ms 11216 KB Output is correct
7 Correct 12 ms 11268 KB Output is correct
8 Correct 11 ms 11344 KB Output is correct
9 Correct 11 ms 11264 KB Output is correct
10 Correct 10 ms 11216 KB Output is correct
11 Correct 14 ms 11216 KB Output is correct
12 Correct 13 ms 11264 KB Output is correct
13 Correct 21 ms 11220 KB Output is correct
14 Correct 14 ms 11252 KB Output is correct
15 Correct 18 ms 11268 KB Output is correct
16 Partially correct 58 ms 11264 KB Partially correct - number of queries: 7116
17 Correct 13 ms 11292 KB Output is correct
18 Partially correct 75 ms 11260 KB Partially correct - number of queries: 8256
19 Correct 15 ms 11256 KB Output is correct
20 Correct 33 ms 11216 KB Output is correct
21 Correct 31 ms 11272 KB Output is correct
22 Correct 22 ms 11264 KB Output is correct
23 Correct 17 ms 11260 KB Output is correct
24 Correct 13 ms 11216 KB Output is correct
25 Correct 28 ms 11260 KB Output is correct
26 Correct 49 ms 11264 KB Output is correct
27 Correct 15 ms 11344 KB Output is correct
28 Partially correct 59 ms 11216 KB Partially correct - number of queries: 7815
29 Partially correct 48 ms 11208 KB Partially correct - number of queries: 6036
30 Partially correct 78 ms 11216 KB Partially correct - number of queries: 8213
31 Correct 14 ms 11220 KB Output is correct
32 Correct 18 ms 11268 KB Output is correct
33 Correct 8 ms 11216 KB Output is correct
34 Correct 27 ms 11308 KB Output is correct
35 Correct 11 ms 11260 KB Output is correct
36 Correct 26 ms 11216 KB Output is correct
37 Correct 14 ms 11260 KB Output is correct
38 Correct 15 ms 11376 KB Output is correct
39 Correct 43 ms 11216 KB Output is correct
40 Partially correct 43 ms 11328 KB Partially correct - number of queries: 7107
41 Partially correct 46 ms 11268 KB Partially correct - number of queries: 5148
42 Partially correct 54 ms 11260 KB Partially correct - number of queries: 5148
43 Correct 26 ms 11268 KB Output is correct
44 Correct 23 ms 11264 KB Output is correct
45 Correct 26 ms 11264 KB Output is correct
46 Correct 11 ms 11216 KB Output is correct
47 Correct 39 ms 11216 KB Output is correct
48 Partially correct 55 ms 11180 KB Partially correct - number of queries: 6248
49 Correct 16 ms 11264 KB Output is correct
50 Partially correct 69 ms 11260 KB Partially correct - number of queries: 8251
51 Correct 32 ms 11216 KB Output is correct
52 Correct 15 ms 11264 KB Output is correct
53 Correct 12 ms 11216 KB Output is correct
54 Correct 35 ms 11264 KB Output is correct
55 Correct 10 ms 11216 KB Output is correct
56 Partially correct 53 ms 11184 KB Partially correct - number of queries: 8257
57 Partially correct 50 ms 11264 KB Partially correct - number of queries: 6136
58 Partially correct 33 ms 11344 KB Partially correct - number of queries: 6228
59 Partially correct 44 ms 11264 KB Partially correct - number of queries: 5149
60 Correct 29 ms 11276 KB Output is correct
61 Correct 12 ms 11216 KB Output is correct
62 Correct 13 ms 11264 KB Output is correct
63 Correct 12 ms 11260 KB Output is correct
64 Correct 11 ms 11264 KB Output is correct
65 Correct 11 ms 11344 KB Output is correct
66 Correct 13 ms 11216 KB Output is correct
67 Correct 12 ms 11216 KB Output is correct
68 Correct 15 ms 11252 KB Output is correct
69 Correct 20 ms 11208 KB Output is correct
70 Correct 17 ms 11240 KB Output is correct
71 Partially correct 55 ms 11216 KB Partially correct - number of queries: 8281
72 Correct 15 ms 11216 KB Output is correct
73 Partially correct 70 ms 11216 KB Partially correct - number of queries: 8185
74 Partially correct 50 ms 11228 KB Partially correct - number of queries: 8217
75 Correct 13 ms 11216 KB Output is correct
76 Partially correct 56 ms 11216 KB Partially correct - number of queries: 7104
77 Partially correct 66 ms 11212 KB Partially correct - number of queries: 8337
78 Correct 16 ms 11216 KB Output is correct
79 Correct 43 ms 11188 KB Output is correct
80 Partially correct 75 ms 11164 KB Partially correct - number of queries: 8326
81 Partially correct 73 ms 11216 KB Partially correct - number of queries: 8326
82 Partially correct 71 ms 11216 KB Partially correct - number of queries: 8227
83 Correct 13 ms 11216 KB Output is correct
84 Partially correct 57 ms 11220 KB Partially correct - number of queries: 6848
85 Partially correct 72 ms 11180 KB Partially correct - number of queries: 8274
86 Correct 17 ms 11216 KB Output is correct
87 Correct 17 ms 11148 KB Output is correct
88 Correct 16 ms 11208 KB Output is correct
89 Correct 16 ms 11168 KB Output is correct
90 Correct 15 ms 11216 KB Output is correct
91 Correct 16 ms 11160 KB Output is correct
92 Correct 12 ms 11216 KB Output is correct
93 Correct 15 ms 11200 KB Output is correct
94 Correct 15 ms 11216 KB Output is correct
95 Correct 14 ms 11216 KB Output is correct
96 Correct 14 ms 11256 KB Output is correct
97 Correct 15 ms 11208 KB Output is correct