Submission #1072439

# Submission time Handle Problem Language Result Execution time Memory
1072439 2024-08-23T19:05:35 Z Joshua_Andersson The Big Prize (IOI17_prize) C++14
94.61 / 100
41 ms 1368 KB
#include "prize.h"

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const ll linf = ll(1e18);

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> p2;

#define rep(i, high) for (int i = 0; i < high; i++)
#define repp(i, low, high) for (int i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define sz(container) ((int)container.size())
#define all(x) begin(x),end(x)

#if _LOCAL
#define assert(x) if (!(x)) __debugbreak()
#endif

map<int, vi> cache;
vi q(int i)
{
	if (cache.find(i) != cache.end()) return cache[i];
	return cache[i] = ask(i);
}

int find_best(int n)
{
	int lollipop_cnt = 0;
	rep(i, 500)
	{
		vi res = q(i);
		if (res[0]+res[1]==0)
		{
			return i;
		}
		lollipop_cnt = max(lollipop_cnt, res[0] + res[1]);
	}
	
	int jump = 250;
	int i = 500;
	while (true)
	{
		vi base = q(i);
		if (base[0]+base[1]==0)
		{
			return i;
		}
		
		if (base[0]+base[1]==lollipop_cnt)
		{
			if (i+ jump <n)
			{
				vi b2 = q(i + jump);
				if (b2 == base)
				{
					i += jump;
					continue;
				}
			}
			
			int lo = i;
			int hi = min(n, i+ jump);
			while (lo+1<hi)
			{
				int mid = (lo + hi) / 2;
				vi m = q(mid);
				if (m == base)
				{
					lo = mid;
				}
				else hi = mid;
			}
			i = hi;
		}
		else
		{
			i++;
		}
	}

	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 7 ms 344 KB Output is correct
3 Correct 6 ms 460 KB Output is correct
4 Correct 4 ms 464 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 4 ms 472 KB Output is correct
8 Correct 5 ms 340 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 8 ms 600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 9 ms 344 KB Output is correct
11 Correct 6 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 8 ms 600 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 6 ms 440 KB Output is correct
16 Correct 16 ms 852 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Partially correct 33 ms 948 KB Partially correct - number of queries: 5507
19 Correct 3 ms 344 KB Output is correct
20 Correct 10 ms 720 KB Output is correct
21 Correct 12 ms 600 KB Output is correct
22 Correct 5 ms 344 KB Output is correct
23 Correct 4 ms 612 KB Output is correct
24 Correct 3 ms 600 KB Output is correct
25 Correct 15 ms 916 KB Output is correct
26 Correct 23 ms 728 KB Output is correct
27 Correct 6 ms 600 KB Output is correct
28 Partially correct 25 ms 848 KB Partially correct - number of queries: 5222
29 Correct 20 ms 848 KB Output is correct
30 Partially correct 27 ms 804 KB Partially correct - number of queries: 5539
31 Correct 2 ms 344 KB Output is correct
32 Correct 6 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 11 ms 684 KB Output is correct
35 Correct 8 ms 344 KB Output is correct
36 Correct 11 ms 600 KB Output is correct
37 Correct 5 ms 712 KB Output is correct
38 Correct 2 ms 344 KB Output is correct
39 Correct 14 ms 600 KB Output is correct
40 Correct 25 ms 848 KB Output is correct
41 Correct 12 ms 760 KB Output is correct
42 Correct 15 ms 848 KB Output is correct
43 Correct 14 ms 600 KB Output is correct
44 Correct 8 ms 600 KB Output is correct
45 Correct 14 ms 856 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 19 ms 720 KB Output is correct
48 Correct 23 ms 848 KB Output is correct
49 Correct 6 ms 344 KB Output is correct
50 Partially correct 30 ms 1208 KB Partially correct - number of queries: 5489
51 Correct 13 ms 600 KB Output is correct
52 Correct 3 ms 344 KB Output is correct
53 Correct 6 ms 344 KB Output is correct
54 Correct 12 ms 600 KB Output is correct
55 Correct 3 ms 344 KB Output is correct
56 Partially correct 31 ms 1260 KB Partially correct - number of queries: 5501
57 Correct 18 ms 856 KB Output is correct
58 Correct 19 ms 856 KB Output is correct
59 Correct 15 ms 788 KB Output is correct
60 Correct 22 ms 600 KB Output is correct
61 Correct 4 ms 344 KB Output is correct
62 Correct 2 ms 344 KB Output is correct
63 Correct 8 ms 600 KB Output is correct
64 Correct 7 ms 344 KB Output is correct
65 Correct 6 ms 344 KB Output is correct
66 Correct 8 ms 600 KB Output is correct
67 Correct 6 ms 460 KB Output is correct
68 Correct 2 ms 344 KB Output is correct
69 Correct 9 ms 592 KB Output is correct
70 Correct 6 ms 344 KB Output is correct
71 Partially correct 25 ms 936 KB Partially correct - number of queries: 5074
72 Correct 8 ms 576 KB Output is correct
73 Partially correct 22 ms 848 KB Partially correct - number of queries: 5018
74 Partially correct 27 ms 1176 KB Partially correct - number of queries: 5042
75 Correct 11 ms 344 KB Output is correct
76 Correct 31 ms 852 KB Output is correct
77 Partially correct 19 ms 1100 KB Partially correct - number of queries: 5317
78 Correct 11 ms 600 KB Output is correct
79 Correct 14 ms 848 KB Output is correct
80 Partially correct 22 ms 896 KB Partially correct - number of queries: 5301
81 Partially correct 41 ms 1200 KB Partially correct - number of queries: 5311
82 Partially correct 25 ms 848 KB Partially correct - number of queries: 5270
83 Correct 7 ms 344 KB Output is correct
84 Correct 22 ms 1236 KB Output is correct
85 Partially correct 29 ms 952 KB Partially correct - number of queries: 5266
86 Correct 7 ms 600 KB Output is correct
87 Correct 7 ms 600 KB Output is correct
88 Correct 10 ms 1368 KB Output is correct
89 Correct 7 ms 344 KB Output is correct
90 Correct 5 ms 344 KB Output is correct
91 Correct 9 ms 596 KB Output is correct
92 Correct 6 ms 600 KB Output is correct
93 Correct 5 ms 596 KB Output is correct
94 Correct 5 ms 600 KB Output is correct
95 Correct 5 ms 600 KB Output is correct
96 Correct 5 ms 344 KB Output is correct
97 Correct 6 ms 600 KB Output is correct