Submission #777001

# Submission time Handle Problem Language Result Execution time Memory
777001 2023-07-08T13:19:00 Z faruk The Big Prize (IOI17_prize) C++17
90 / 100
71 ms 11344 KB
#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

int sqrtn = 500;

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 12 ms 11200 KB Output is correct
2 Correct 11 ms 11264 KB Output is correct
3 Correct 11 ms 11268 KB Output is correct
4 Correct 11 ms 11344 KB Output is correct
5 Correct 12 ms 11216 KB Output is correct
6 Correct 9 ms 11268 KB Output is correct
7 Correct 13 ms 11216 KB Output is correct
8 Correct 12 ms 11260 KB Output is correct
9 Correct 12 ms 11216 KB Output is correct
10 Correct 13 ms 11216 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 11216 KB Output is correct
2 Correct 17 ms 11156 KB Output is correct
3 Correct 11 ms 11264 KB Output is correct
4 Correct 11 ms 11260 KB Output is correct
5 Correct 13 ms 11216 KB Output is correct
6 Correct 11 ms 11216 KB Output is correct
7 Correct 13 ms 11212 KB Output is correct
8 Correct 12 ms 11216 KB Output is correct
9 Correct 15 ms 11272 KB Output is correct
10 Correct 13 ms 11216 KB Output is correct
11 Correct 13 ms 11268 KB Output is correct
12 Correct 11 ms 11268 KB Output is correct
13 Correct 20 ms 11216 KB Output is correct
14 Correct 14 ms 11216 KB Output is correct
15 Correct 21 ms 11228 KB Output is correct
16 Partially correct 71 ms 11260 KB Partially correct - number of queries: 7144
17 Correct 11 ms 11344 KB Output is correct
18 Partially correct 70 ms 11264 KB Partially correct - number of queries: 8284
19 Correct 12 ms 11216 KB Output is correct
20 Correct 24 ms 11160 KB Output is correct
21 Correct 40 ms 11260 KB Output is correct
22 Correct 16 ms 11344 KB Output is correct
23 Correct 10 ms 11216 KB Output is correct
24 Correct 11 ms 11344 KB Output is correct
25 Correct 29 ms 11260 KB Output is correct
26 Correct 48 ms 11216 KB Output is correct
27 Correct 12 ms 11216 KB Output is correct
28 Partially correct 36 ms 11264 KB Partially correct - number of queries: 7844
29 Partially correct 30 ms 11264 KB Partially correct - number of queries: 6063
30 Partially correct 47 ms 11344 KB Partially correct - number of queries: 8240
31 Correct 12 ms 11248 KB Output is correct
32 Correct 22 ms 11216 KB Output is correct
33 Correct 8 ms 11216 KB Output is correct
34 Correct 20 ms 11264 KB Output is correct
35 Correct 13 ms 11216 KB Output is correct
36 Correct 24 ms 11272 KB Output is correct
37 Correct 11 ms 11344 KB Output is correct
38 Correct 19 ms 11260 KB Output is correct
39 Correct 36 ms 11216 KB Output is correct
40 Partially correct 36 ms 11344 KB Partially correct - number of queries: 7118
41 Partially correct 30 ms 11344 KB Partially correct - number of queries: 5175
42 Partially correct 32 ms 11216 KB Partially correct - number of queries: 5175
43 Correct 38 ms 11216 KB Output is correct
44 Correct 22 ms 11264 KB Output is correct
45 Correct 32 ms 11260 KB Output is correct
46 Correct 12 ms 11344 KB Output is correct
47 Correct 41 ms 11148 KB Output is correct
48 Partially correct 35 ms 11344 KB Partially correct - number of queries: 6276
49 Correct 14 ms 11216 KB Output is correct
50 Partially correct 41 ms 11264 KB Partially correct - number of queries: 8279
51 Correct 28 ms 11232 KB Output is correct
52 Correct 14 ms 11340 KB Output is correct
53 Correct 15 ms 11264 KB Output is correct
54 Correct 39 ms 11216 KB Output is correct
55 Correct 12 ms 11216 KB Output is correct
56 Partially correct 61 ms 11264 KB Partially correct - number of queries: 8285
57 Partially correct 36 ms 11264 KB Partially correct - number of queries: 6164
58 Partially correct 50 ms 11264 KB Partially correct - number of queries: 6254
59 Partially correct 36 ms 11216 KB Partially correct - number of queries: 5176
60 Correct 37 ms 11268 KB Output is correct
61 Correct 14 ms 11268 KB Output is correct
62 Correct 17 ms 11216 KB Output is correct
63 Correct 13 ms 11216 KB Output is correct
64 Correct 11 ms 11344 KB Output is correct
65 Correct 11 ms 11216 KB Output is correct
66 Correct 14 ms 11216 KB Output is correct
67 Correct 12 ms 11260 KB Output is correct
68 Correct 11 ms 11260 KB Output is correct
69 Correct 15 ms 11216 KB Output is correct
70 Correct 13 ms 11216 KB Output is correct
71 Partially correct 60 ms 11216 KB Partially correct - number of queries: 8301
72 Correct 20 ms 11216 KB Output is correct
73 Partially correct 57 ms 11216 KB Partially correct - number of queries: 8197
74 Partially correct 43 ms 11216 KB Partially correct - number of queries: 8225
75 Correct 13 ms 11216 KB Output is correct
76 Partially correct 69 ms 11216 KB Partially correct - number of queries: 7131
77 Partially correct 53 ms 11216 KB Partially correct - number of queries: 8358
78 Correct 17 ms 11216 KB Output is correct
79 Correct 32 ms 11216 KB Output is correct
80 Partially correct 63 ms 11216 KB Partially correct - number of queries: 8377
81 Partially correct 47 ms 11216 KB Partially correct - number of queries: 8351
82 Partially correct 62 ms 11216 KB Partially correct - number of queries: 8252
83 Correct 12 ms 11216 KB Output is correct
84 Partially correct 56 ms 11184 KB Partially correct - number of queries: 6883
85 Partially correct 64 ms 11236 KB Partially correct - number of queries: 8332
86 Correct 17 ms 11216 KB Output is correct
87 Correct 16 ms 11216 KB Output is correct
88 Correct 16 ms 11216 KB Output is correct
89 Correct 15 ms 11216 KB Output is correct
90 Correct 16 ms 11216 KB Output is correct
91 Correct 22 ms 11268 KB Output is correct
92 Correct 15 ms 11208 KB Output is correct
93 Correct 23 ms 11184 KB Output is correct
94 Correct 18 ms 11216 KB Output is correct
95 Correct 18 ms 11216 KB Output is correct
96 Correct 17 ms 11216 KB Output is correct
97 Correct 17 ms 11220 KB Output is correct