Submission #776962

# Submission time Handle Problem Language Result Execution time Memory
776962 2023-07-08T12:32:32 Z faruk The Big Prize (IOI17_prize) C++17
90 / 100
85 ms 336 KB
#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

int sqrtn = 500;

int find_best(int n) {
	sqrtn = min(sqrtn, n);
	int max_sum = 0;
	for (int i = 0; i < sqrtn; i++)
	{
		auto a = ask(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 = ask(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 = ask(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 2 ms 288 KB Output is correct
2 Correct 3 ms 292 KB Output is correct
3 Correct 3 ms 288 KB Output is correct
4 Correct 2 ms 292 KB Output is correct
5 Correct 4 ms 208 KB Output is correct
6 Correct 0 ms 288 KB Output is correct
7 Correct 2 ms 292 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 296 KB Output is correct
2 Correct 2 ms 288 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 5 ms 288 KB Output is correct
5 Correct 4 ms 292 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 3 ms 292 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 5 ms 292 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 3 ms 300 KB Output is correct
12 Correct 2 ms 292 KB Output is correct
13 Correct 4 ms 292 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 7 ms 292 KB Output is correct
16 Partially correct 54 ms 208 KB Partially correct - number of queries: 7826
17 Correct 5 ms 296 KB Output is correct
18 Partially correct 73 ms 208 KB Partially correct - number of queries: 9112
19 Correct 2 ms 276 KB Output is correct
20 Correct 20 ms 288 KB Output is correct
21 Correct 30 ms 288 KB Output is correct
22 Correct 10 ms 288 KB Output is correct
23 Correct 4 ms 296 KB Output is correct
24 Correct 2 ms 296 KB Output is correct
25 Partially correct 22 ms 280 KB Partially correct - number of queries: 5334
26 Partially correct 43 ms 208 KB Partially correct - number of queries: 5274
27 Correct 5 ms 208 KB Output is correct
28 Partially correct 68 ms 208 KB Partially correct - number of queries: 8664
29 Partially correct 39 ms 288 KB Partially correct - number of queries: 6673
30 Partially correct 66 ms 208 KB Partially correct - number of queries: 9019
31 Correct 2 ms 208 KB Output is correct
32 Correct 4 ms 288 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 29 ms 208 KB Output is correct
35 Correct 6 ms 288 KB Output is correct
36 Correct 20 ms 208 KB Output is correct
37 Correct 7 ms 208 KB Output is correct
38 Correct 5 ms 208 KB Output is correct
39 Correct 37 ms 288 KB Output is correct
40 Partially correct 50 ms 296 KB Partially correct - number of queries: 7781
41 Partially correct 18 ms 288 KB Partially correct - number of queries: 5625
42 Partially correct 38 ms 208 KB Partially correct - number of queries: 5625
43 Partially correct 43 ms 292 KB Partially correct - number of queries: 5129
44 Correct 19 ms 276 KB Output is correct
45 Correct 12 ms 288 KB Output is correct
46 Correct 2 ms 328 KB Output is correct
47 Correct 15 ms 292 KB Output is correct
48 Partially correct 23 ms 328 KB Partially correct - number of queries: 6846
49 Correct 11 ms 292 KB Output is correct
50 Partially correct 72 ms 208 KB Partially correct - number of queries: 9107
51 Correct 14 ms 292 KB Output is correct
52 Correct 2 ms 296 KB Output is correct
53 Correct 2 ms 336 KB Output is correct
54 Correct 32 ms 292 KB Output is correct
55 Correct 2 ms 288 KB Output is correct
56 Partially correct 57 ms 256 KB Partially correct - number of queries: 9094
57 Partially correct 33 ms 292 KB Partially correct - number of queries: 6751
58 Partially correct 59 ms 208 KB Partially correct - number of queries: 6870
59 Partially correct 30 ms 208 KB Partially correct - number of queries: 5625
60 Partially correct 47 ms 208 KB Partially correct - number of queries: 5259
61 Correct 6 ms 208 KB Output is correct
62 Correct 4 ms 288 KB Output is correct
63 Correct 6 ms 208 KB Output is correct
64 Correct 3 ms 296 KB Output is correct
65 Correct 5 ms 292 KB Output is correct
66 Correct 6 ms 208 KB Output is correct
67 Correct 5 ms 208 KB Output is correct
68 Correct 4 ms 208 KB Output is correct
69 Correct 6 ms 288 KB Output is correct
70 Correct 5 ms 268 KB Output is correct
71 Partially correct 67 ms 288 KB Partially correct - number of queries: 9286
72 Correct 6 ms 208 KB Output is correct
73 Partially correct 76 ms 208 KB Partially correct - number of queries: 9167
74 Partially correct 50 ms 208 KB Partially correct - number of queries: 9214
75 Correct 5 ms 208 KB Output is correct
76 Partially correct 64 ms 208 KB Partially correct - number of queries: 7960
77 Partially correct 76 ms 208 KB Partially correct - number of queries: 9163
78 Correct 7 ms 292 KB Output is correct
79 Correct 36 ms 208 KB Output is correct
80 Partially correct 85 ms 208 KB Partially correct - number of queries: 9147
81 Partially correct 66 ms 208 KB Partially correct - number of queries: 9140
82 Partially correct 59 ms 292 KB Partially correct - number of queries: 9005
83 Correct 3 ms 208 KB Output is correct
84 Partially correct 65 ms 292 KB Partially correct - number of queries: 7527
85 Partially correct 82 ms 256 KB Partially correct - number of queries: 9097
86 Correct 5 ms 208 KB Output is correct
87 Correct 5 ms 208 KB Output is correct
88 Correct 3 ms 288 KB Output is correct
89 Correct 5 ms 208 KB Output is correct
90 Correct 5 ms 208 KB Output is correct
91 Correct 3 ms 208 KB Output is correct
92 Correct 5 ms 208 KB Output is correct
93 Correct 9 ms 208 KB Output is correct
94 Correct 6 ms 208 KB Output is correct
95 Correct 8 ms 208 KB Output is correct
96 Correct 6 ms 208 KB Output is correct
97 Correct 2 ms 208 KB Output is correct