Submission #1072432

# Submission time Handle Problem Language Result Execution time Memory
1072432 2024-08-23T19:00:08 Z Joshua_Andersson The Big Prize (IOI17_prize) C++14
90.07 / 100
40 ms 1292 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 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+200<n)
			{
				vi b2 = q(i + 200);
				if (b2 == base)
				{
					i += 200;
					continue;
				}
			}
			
			int lo = i;
			int hi = min(n, i+200);
			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 4 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 8 ms 856 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 7 ms 340 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 7 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 7 ms 600 KB Output is correct
3 Correct 5 ms 492 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 6 ms 452 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 5 ms 600 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 7 ms 344 KB Output is correct
11 Correct 6 ms 344 KB Output is correct
12 Correct 4 ms 600 KB Output is correct
13 Correct 8 ms 576 KB Output is correct
14 Correct 4 ms 600 KB Output is correct
15 Correct 7 ms 688 KB Output is correct
16 Partially correct 25 ms 908 KB Partially correct - number of queries: 5028
17 Correct 2 ms 344 KB Output is correct
18 Partially correct 29 ms 852 KB Partially correct - number of queries: 5976
19 Correct 2 ms 344 KB Output is correct
20 Correct 6 ms 600 KB Output is correct
21 Correct 17 ms 856 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 3 ms 476 KB Output is correct
25 Correct 16 ms 816 KB Output is correct
26 Correct 16 ms 620 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Partially correct 40 ms 796 KB Partially correct - number of queries: 5359
29 Correct 23 ms 864 KB Output is correct
30 Partially correct 30 ms 1180 KB Partially correct - number of queries: 5993
31 Correct 3 ms 344 KB Output is correct
32 Correct 7 ms 600 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 10 ms 576 KB Output is correct
35 Correct 4 ms 536 KB Output is correct
36 Correct 10 ms 732 KB Output is correct
37 Correct 3 ms 344 KB Output is correct
38 Correct 2 ms 344 KB Output is correct
39 Correct 9 ms 600 KB Output is correct
40 Partially correct 18 ms 732 KB Partially correct - number of queries: 5027
41 Correct 15 ms 1112 KB Output is correct
42 Correct 18 ms 848 KB Output is correct
43 Correct 12 ms 616 KB Output is correct
44 Correct 10 ms 600 KB Output is correct
45 Correct 7 ms 600 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 14 ms 508 KB Output is correct
48 Correct 28 ms 1000 KB Output is correct
49 Correct 5 ms 344 KB Output is correct
50 Partially correct 20 ms 1192 KB Partially correct - number of queries: 5958
51 Correct 12 ms 584 KB Output is correct
52 Correct 2 ms 344 KB Output is correct
53 Correct 7 ms 544 KB Output is correct
54 Correct 12 ms 700 KB Output is correct
55 Correct 2 ms 340 KB Output is correct
56 Partially correct 34 ms 848 KB Partially correct - number of queries: 5967
57 Correct 18 ms 848 KB Output is correct
58 Correct 21 ms 1024 KB Output is correct
59 Correct 16 ms 600 KB Output is correct
60 Correct 18 ms 600 KB Output is correct
61 Correct 5 ms 344 KB Output is correct
62 Correct 3 ms 344 KB Output is correct
63 Correct 9 ms 464 KB Output is correct
64 Correct 6 ms 344 KB Output is correct
65 Correct 6 ms 344 KB Output is correct
66 Correct 10 ms 536 KB Output is correct
67 Correct 8 ms 344 KB Output is correct
68 Correct 2 ms 344 KB Output is correct
69 Correct 6 ms 596 KB Output is correct
70 Correct 8 ms 344 KB Output is correct
71 Partially correct 39 ms 1120 KB Partially correct - number of queries: 5274
72 Correct 13 ms 684 KB Output is correct
73 Partially correct 36 ms 848 KB Partially correct - number of queries: 5218
74 Partially correct 19 ms 848 KB Partially correct - number of queries: 5242
75 Correct 8 ms 540 KB Output is correct
76 Correct 27 ms 1112 KB Output is correct
77 Partially correct 32 ms 848 KB Partially correct - number of queries: 5548
78 Correct 9 ms 856 KB Output is correct
79 Correct 22 ms 1004 KB Output is correct
80 Partially correct 29 ms 1068 KB Partially correct - number of queries: 5534
81 Partially correct 27 ms 1104 KB Partially correct - number of queries: 5538
82 Partially correct 38 ms 924 KB Partially correct - number of queries: 5489
83 Correct 7 ms 600 KB Output is correct
84 Correct 19 ms 848 KB Output is correct
85 Partially correct 33 ms 1120 KB Partially correct - number of queries: 5510
86 Correct 6 ms 344 KB Output is correct
87 Correct 10 ms 1292 KB Output is correct
88 Correct 8 ms 600 KB Output is correct
89 Correct 9 ms 784 KB Output is correct
90 Correct 9 ms 600 KB Output is correct
91 Correct 6 ms 344 KB Output is correct
92 Correct 6 ms 344 KB Output is correct
93 Correct 9 ms 584 KB Output is correct
94 Correct 8 ms 600 KB Output is correct
95 Correct 8 ms 600 KB Output is correct
96 Correct 10 ms 556 KB Output is correct
97 Correct 8 ms 600 KB Output is correct