Submission #987049

# Submission time Handle Problem Language Result Execution time Memory
987049 2024-05-21T18:47:40 Z VMaksimoski008 The Big Prize (IOI17_prize) C++17
90 / 100
56 ms 2388 KB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;

pii memo[200005];

pii query(int p) {
	if(memo[p] != pii{ -1, -1 }) return memo[p];
	vector<int> res = ask(p);
	return memo[p] = { res[0], res[1] };
}

int sum(int p) { return query(p).first + query(p).second; }
int L(int p) { return query(p).first; }
int R(int p) { return query(p).second; }

int find_best(int n) {
	for(int i=0; i<n; i++) memo[i] = { -1, -1 };

	if(n <= 4500) {
		for(int i=0; i<n; i++)
			if(sum(i) == 0) return i;
	}
	
	int curr = -1, mx = 0;
	set<int> s;
	for(int i=0; i<min(900, n); i++) {
		mx = max(mx, sum(i));
		if(sum(i) == 0) return i;
	}

	//cout << "<> lollipop: " << mx << '\n';

	for(int i=1; i<=mx; i++) {
		int l=curr+1, r=n-1, pos=n-1;

		//cout << "it " << i << '\n';

		while(l <= r) {
			int mid = (l + r) / 2;
			//cout << mid << '\n';
			if(sum(mid) == 0) return mid;

			if(sum(mid) == mx) {
				if(L(mid) >= i) pos = mid, r = mid - 1;
				else l = mid + 1;
			} else {
				pos = mid;
				r = mid - 1;
			}
		}
		//cout << "found at: " << pos << '\n';

		curr = pos;
	}

	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1880 KB Output is correct
2 Correct 5 ms 1880 KB Output is correct
3 Correct 5 ms 1880 KB Output is correct
4 Correct 4 ms 1880 KB Output is correct
5 Correct 5 ms 1880 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 5 ms 1880 KB Output is correct
8 Correct 5 ms 1880 KB Output is correct
9 Correct 5 ms 1880 KB Output is correct
10 Correct 4 ms 1880 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1880 KB Output is correct
2 Correct 6 ms 1880 KB Output is correct
3 Correct 6 ms 1888 KB Output is correct
4 Correct 7 ms 1880 KB Output is correct
5 Correct 7 ms 1880 KB Output is correct
6 Correct 2 ms 1880 KB Output is correct
7 Correct 5 ms 1880 KB Output is correct
8 Correct 4 ms 1876 KB Output is correct
9 Correct 5 ms 1880 KB Output is correct
10 Correct 5 ms 1880 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 5 ms 1880 KB Output is correct
13 Correct 8 ms 1888 KB Output is correct
14 Correct 5 ms 600 KB Output is correct
15 Correct 10 ms 1880 KB Output is correct
16 Partially correct 33 ms 1880 KB Partially correct - number of queries: 7385
17 Correct 3 ms 1880 KB Output is correct
18 Partially correct 54 ms 1880 KB Partially correct - number of queries: 8491
19 Correct 3 ms 1880 KB Output is correct
20 Correct 12 ms 1112 KB Output is correct
21 Correct 21 ms 1880 KB Output is correct
22 Correct 7 ms 2136 KB Output is correct
23 Correct 5 ms 1880 KB Output is correct
24 Correct 5 ms 1880 KB Output is correct
25 Partially correct 22 ms 1880 KB Partially correct - number of queries: 5194
26 Partially correct 22 ms 1880 KB Partially correct - number of queries: 5162
27 Correct 7 ms 1880 KB Output is correct
28 Partially correct 38 ms 1880 KB Partially correct - number of queries: 8064
29 Partially correct 26 ms 1880 KB Partially correct - number of queries: 6340
30 Partially correct 56 ms 1880 KB Partially correct - number of queries: 8431
31 Correct 3 ms 1880 KB Output is correct
32 Correct 6 ms 1880 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 15 ms 2132 KB Output is correct
35 Correct 7 ms 1880 KB Output is correct
36 Correct 11 ms 1880 KB Output is correct
37 Correct 5 ms 1880 KB Output is correct
38 Correct 4 ms 1880 KB Output is correct
39 Correct 21 ms 1880 KB Output is correct
40 Partially correct 40 ms 1880 KB Partially correct - number of queries: 7347
41 Partially correct 35 ms 1880 KB Partially correct - number of queries: 5465
42 Partially correct 30 ms 1880 KB Partially correct - number of queries: 5465
43 Partially correct 26 ms 1880 KB Partially correct - number of queries: 5005
44 Correct 23 ms 1880 KB Output is correct
45 Correct 13 ms 1880 KB Output is correct
46 Correct 3 ms 1880 KB Output is correct
47 Correct 21 ms 1880 KB Output is correct
48 Partially correct 32 ms 1880 KB Partially correct - number of queries: 6531
49 Correct 7 ms 1880 KB Output is correct
50 Partially correct 44 ms 1880 KB Partially correct - number of queries: 8484
51 Correct 21 ms 1880 KB Output is correct
52 Correct 7 ms 1880 KB Output is correct
53 Correct 5 ms 2388 KB Output is correct
54 Correct 17 ms 1880 KB Output is correct
55 Correct 3 ms 1880 KB Output is correct
56 Partially correct 44 ms 1880 KB Partially correct - number of queries: 8492
57 Partially correct 30 ms 1880 KB Partially correct - number of queries: 6440
58 Partially correct 31 ms 2136 KB Partially correct - number of queries: 6508
59 Partially correct 23 ms 1880 KB Partially correct - number of queries: 5461
60 Partially correct 31 ms 1880 KB Partially correct - number of queries: 5107
61 Correct 6 ms 2136 KB Output is correct
62 Correct 6 ms 2136 KB Output is correct
63 Correct 6 ms 1880 KB Output is correct
64 Correct 7 ms 1880 KB Output is correct
65 Correct 8 ms 1880 KB Output is correct
66 Correct 7 ms 1880 KB Output is correct
67 Correct 6 ms 1880 KB Output is correct
68 Correct 3 ms 1880 KB Output is correct
69 Correct 6 ms 1880 KB Output is correct
70 Correct 6 ms 1880 KB Output is correct
71 Partially correct 38 ms 1880 KB Partially correct - number of queries: 8675
72 Correct 7 ms 1880 KB Output is correct
73 Partially correct 39 ms 1880 KB Partially correct - number of queries: 8566
74 Partially correct 50 ms 1880 KB Partially correct - number of queries: 8624
75 Correct 5 ms 1880 KB Output is correct
76 Partially correct 49 ms 1880 KB Partially correct - number of queries: 7506
77 Partially correct 44 ms 1880 KB Partially correct - number of queries: 8491
78 Correct 7 ms 1880 KB Output is correct
79 Correct 23 ms 1880 KB Output is correct
80 Partially correct 46 ms 1880 KB Partially correct - number of queries: 8502
81 Partially correct 36 ms 1880 KB Partially correct - number of queries: 8510
82 Partially correct 55 ms 1880 KB Partially correct - number of queries: 8436
83 Correct 5 ms 1880 KB Output is correct
84 Partially correct 31 ms 1880 KB Partially correct - number of queries: 7098
85 Partially correct 50 ms 1880 KB Partially correct - number of queries: 8534
86 Correct 21 ms 2132 KB Output is correct
87 Correct 7 ms 1880 KB Output is correct
88 Correct 21 ms 1880 KB Output is correct
89 Correct 19 ms 1880 KB Output is correct
90 Correct 5 ms 1880 KB Output is correct
91 Correct 15 ms 1880 KB Output is correct
92 Correct 20 ms 1880 KB Output is correct
93 Correct 20 ms 1880 KB Output is correct
94 Correct 23 ms 1880 KB Output is correct
95 Correct 22 ms 1880 KB Output is correct
96 Correct 20 ms 1880 KB Output is correct
97 Correct 17 ms 1880 KB Output is correct