Submission #975474

# Submission time Handle Problem Language Result Execution time Memory
975474 2024-05-05T08:59:00 Z pirhosig The Big Prize (IOI17_prize) C++17
20 / 100
39 ms 684 KB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> ii;



int solve(int low, int upp, int less, int more, int large) {
	if (less + more == large) return 0;

	int mid = (low + upp) / 2;
	auto a = ask(mid);
	int tot = a[0] + a[1];
	if (tot == 0) return mid;

	if (low == upp) return 0;

	int res = 0;
	if (tot == large) {
		if (low < mid) res += solve(low, mid - 1, less, a[1], large);
		if (mid < upp) res += solve(mid + 1, upp, a[0], more, large);
	}
	else {
		int mdx = mid;
		while (mdx++ < upp && tot < large) {
			a = ask(mdx);
			tot = a[0] + a[1];
			if (tot == 0) return mdx;
		}
		if (tot == large) {
			if (low < mid) res += solve(low, mid - 1, less, a[1] + mdx - mid, large);
			if (mdx < upp) res += solve(mdx + 1, upp, a[0], more, large);
		}
		else if (low < mid) res += solve(low, mid - 1, less, more + mdx - mid, large);
	}

	return res;
}


	
int find_best(int n) {
	if (n < 5000) {
		for (int i = 0; i < n; ++i) {
			auto a = ask(i);
			if (a[0] + a[1] == 0) return i;
		}
	}
	
	int large = 0;
	vector<int> val(450);
	for (int i = 0; i < 450; ++i) {
		auto a = ask(i);
		val[i] = a[0] + a[1];
		if (val[i] == 0) return i;
		large = max(large, val[i]);
	}
	
	int found = 0;
	for (int a : val) if (a != large) found++;
	
	return solve(450, n - 1, found, 0, large);
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 432 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 436 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 2 ms 436 KB Output is correct
8 Correct 2 ms 432 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 2 ms 432 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 436 KB Output is correct
2 Correct 2 ms 436 KB Output is correct
3 Correct 3 ms 432 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 436 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 2 ms 436 KB Output is correct
8 Correct 2 ms 436 KB Output is correct
9 Correct 3 ms 432 KB Output is correct
10 Correct 2 ms 432 KB Output is correct
11 Correct 4 ms 592 KB Output is correct
12 Correct 4 ms 436 KB Output is correct
13 Correct 4 ms 436 KB Output is correct
14 Correct 5 ms 436 KB Output is correct
15 Partially correct 21 ms 432 KB Partially correct - number of queries: 5103
16 Partially correct 23 ms 436 KB Partially correct - number of queries: 5334
17 Correct 2 ms 344 KB Output is correct
18 Partially correct 26 ms 440 KB Partially correct - number of queries: 5377
19 Partially correct 21 ms 432 KB Partially correct - number of queries: 5101
20 Correct 17 ms 436 KB Output is correct
21 Partially correct 23 ms 432 KB Partially correct - number of queries: 5280
22 Correct 20 ms 436 KB Output is correct
23 Correct 2 ms 432 KB Output is correct
24 Correct 4 ms 436 KB Output is correct
25 Correct 28 ms 436 KB Output is correct
26 Correct 21 ms 432 KB Output is correct
27 Correct 3 ms 440 KB Output is correct
28 Correct 23 ms 432 KB Output is correct
29 Correct 26 ms 432 KB Output is correct
30 Partially correct 22 ms 432 KB Partially correct - number of queries: 5312
31 Correct 2 ms 344 KB Output is correct
32 Correct 7 ms 436 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Partially correct 24 ms 608 KB Partially correct - number of queries: 5343
35 Correct 3 ms 436 KB Output is correct
36 Partially correct 17 ms 436 KB Partially correct - number of queries: 5315
37 Correct 5 ms 436 KB Output is correct
38 Correct 3 ms 608 KB Output is correct
39 Partially correct 25 ms 432 KB Partially correct - number of queries: 5317
40 Correct 18 ms 444 KB Output is correct
41 Partially correct 23 ms 684 KB Partially correct - number of queries: 5334
42 Partially correct 28 ms 608 KB Partially correct - number of queries: 5334
43 Partially correct 25 ms 432 KB Partially correct - number of queries: 5179
44 Partially correct 26 ms 440 KB Partially correct - number of queries: 5369
45 Correct 21 ms 440 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 25 ms 436 KB Output is correct
48 Partially correct 29 ms 436 KB Partially correct - number of queries: 5359
49 Partially correct 25 ms 436 KB Partially correct - number of queries: 5347
50 Partially correct 28 ms 432 KB Partially correct - number of queries: 5347
51 Partially correct 25 ms 436 KB Partially correct - number of queries: 5363
52 Partially correct 23 ms 436 KB Partially correct - number of queries: 5369
53 Correct 3 ms 432 KB Output is correct
54 Partially correct 25 ms 432 KB Partially correct - number of queries: 5314
55 Correct 2 ms 344 KB Output is correct
56 Partially correct 25 ms 436 KB Partially correct - number of queries: 5343
57 Partially correct 27 ms 436 KB Partially correct - number of queries: 5320
58 Partially correct 27 ms 432 KB Partially correct - number of queries: 5327
59 Partially correct 33 ms 440 KB Partially correct - number of queries: 5332
60 Partially correct 24 ms 436 KB Partially correct - number of queries: 5325
61 Correct 3 ms 432 KB Output is correct
62 Correct 3 ms 428 KB Output is correct
63 Correct 3 ms 608 KB Output is correct
64 Correct 3 ms 436 KB Output is correct
65 Correct 2 ms 436 KB Output is correct
66 Correct 3 ms 432 KB Output is correct
67 Correct 4 ms 440 KB Output is correct
68 Correct 2 ms 344 KB Output is correct
69 Correct 3 ms 436 KB Output is correct
70 Correct 3 ms 436 KB Output is correct
71 Partially correct 21 ms 436 KB Partially correct - number of queries: 5209
72 Correct 3 ms 432 KB Output is correct
73 Partially correct 25 ms 500 KB Partially correct - number of queries: 5146
74 Partially correct 20 ms 436 KB Partially correct - number of queries: 5173
75 Correct 3 ms 436 KB Output is correct
76 Correct 25 ms 436 KB Output is correct
77 Partially correct 30 ms 440 KB Partially correct - number of queries: 5455
78 Correct 4 ms 432 KB Output is correct
79 Correct 16 ms 440 KB Output is correct
80 Partially correct 39 ms 432 KB Partially correct - number of queries: 5432
81 Partially correct 26 ms 436 KB Partially correct - number of queries: 5444
82 Partially correct 25 ms 432 KB Partially correct - number of queries: 5402
83 Correct 3 ms 436 KB Output is correct
84 Correct 20 ms 440 KB Output is correct
85 Partially correct 27 ms 440 KB Partially correct - number of queries: 5415
86 Incorrect 3 ms 436 KB answer is not correct
87 Halted 0 ms 0 KB -