답안 #828682

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
828682 2023-08-17T13:31:18 Z gromperen 커다란 상품 (IOI17_prize) C++14
90 / 100
77 ms 11364 KB
#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e5+5;
vector<vector<int>> memo(MAXN, vector<int>(2, -1));
vector<int> _ask(int i) {
	if (memo[i][0] != -1) return memo[i];
	return memo[i] = ask(i);
}

int find_best(int n) {
	int mx = 0;
	int sqrtn = sqrt(n);
	int k = 0;
	for(int i = 0; i < sqrtn; i++) {
		vector<int> res = _ask(i);
		if(res[0] + res[1] == 0) return i;
		mx = max(mx, res[0] + res[1]);
	}
	for (int i = sqrtn; i < n; ++i) {
		auto res = _ask(i);
		if (res[0] + res[1] < mx) {
			if (res[0] + res[1] == 0) return i;
			continue;
		}
		int l = i, r = n-1;
		int tmp = i;
		while(l<r) {
			int mid = (l+r)/2;
			auto rmid = _ask(mid);
			if (rmid[0]+rmid[1] < mx || rmid[1] < res[1]) {
				if (rmid[0]+rmid[1] == 0) return mid;
				r = mid;
			} else {
				l = mid+1;
				tmp = mid;
			}
		}
		i = tmp;
	}
	return 0;
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:16:6: warning: unused variable 'k' [-Wunused-variable]
   16 |  int k = 0;
      |      ^
# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 11216 KB Output is correct
2 Correct 10 ms 11344 KB Output is correct
3 Correct 13 ms 11216 KB Output is correct
4 Correct 12 ms 11216 KB Output is correct
5 Correct 16 ms 11216 KB Output is correct
6 Correct 9 ms 11264 KB Output is correct
7 Correct 12 ms 11264 KB Output is correct
8 Correct 12 ms 11268 KB Output is correct
9 Correct 10 ms 11216 KB Output is correct
10 Correct 12 ms 11216 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 11260 KB Output is correct
2 Correct 12 ms 11204 KB Output is correct
3 Correct 11 ms 11216 KB Output is correct
4 Correct 10 ms 11260 KB Output is correct
5 Correct 11 ms 11268 KB Output is correct
6 Correct 9 ms 11216 KB Output is correct
7 Correct 12 ms 11216 KB Output is correct
8 Correct 11 ms 11268 KB Output is correct
9 Correct 11 ms 11268 KB Output is correct
10 Correct 13 ms 11252 KB Output is correct
11 Correct 15 ms 11156 KB Output is correct
12 Correct 11 ms 11268 KB Output is correct
13 Correct 13 ms 11260 KB Output is correct
14 Correct 12 ms 11216 KB Output is correct
15 Correct 22 ms 11216 KB Output is correct
16 Partially correct 37 ms 11268 KB Partially correct - number of queries: 7088
17 Correct 11 ms 11260 KB Output is correct
18 Partially correct 56 ms 11260 KB Partially correct - number of queries: 8230
19 Correct 12 ms 11264 KB Output is correct
20 Correct 23 ms 11216 KB Output is correct
21 Correct 30 ms 11256 KB Output is correct
22 Correct 19 ms 11216 KB Output is correct
23 Correct 12 ms 11216 KB Output is correct
24 Correct 13 ms 11268 KB Output is correct
25 Correct 37 ms 11240 KB Output is correct
26 Correct 33 ms 11240 KB Output is correct
27 Correct 11 ms 11204 KB Output is correct
28 Partially correct 71 ms 11216 KB Partially correct - number of queries: 7790
29 Partially correct 60 ms 11248 KB Partially correct - number of queries: 6009
30 Partially correct 37 ms 11264 KB Partially correct - number of queries: 8186
31 Correct 16 ms 11220 KB Output is correct
32 Correct 14 ms 11216 KB Output is correct
33 Correct 9 ms 11216 KB Output is correct
34 Correct 34 ms 11216 KB Output is correct
35 Correct 14 ms 11364 KB Output is correct
36 Correct 34 ms 11260 KB Output is correct
37 Correct 14 ms 11216 KB Output is correct
38 Correct 10 ms 11264 KB Output is correct
39 Correct 45 ms 11268 KB Output is correct
40 Partially correct 60 ms 11272 KB Partially correct - number of queries: 7082
41 Partially correct 28 ms 11284 KB Partially correct - number of queries: 5122
42 Partially correct 36 ms 11216 KB Partially correct - number of queries: 5122
43 Correct 39 ms 11260 KB Output is correct
44 Correct 42 ms 11268 KB Output is correct
45 Correct 35 ms 11268 KB Output is correct
46 Correct 17 ms 11216 KB Output is correct
47 Correct 23 ms 11264 KB Output is correct
48 Partially correct 30 ms 11252 KB Partially correct - number of queries: 6221
49 Correct 12 ms 11264 KB Output is correct
50 Partially correct 53 ms 11216 KB Partially correct - number of queries: 8218
51 Correct 23 ms 11344 KB Output is correct
52 Correct 17 ms 11216 KB Output is correct
53 Correct 13 ms 11264 KB Output is correct
54 Correct 22 ms 11264 KB Output is correct
55 Correct 12 ms 11264 KB Output is correct
56 Partially correct 37 ms 11268 KB Partially correct - number of queries: 8232
57 Partially correct 67 ms 11216 KB Partially correct - number of queries: 6108
58 Partially correct 62 ms 11264 KB Partially correct - number of queries: 6200
59 Partially correct 57 ms 11140 KB Partially correct - number of queries: 5123
60 Correct 32 ms 11256 KB Output is correct
61 Correct 12 ms 11264 KB Output is correct
62 Correct 12 ms 11216 KB Output is correct
63 Correct 12 ms 11264 KB Output is correct
64 Correct 14 ms 11216 KB Output is correct
65 Correct 13 ms 11160 KB Output is correct
66 Correct 16 ms 11264 KB Output is correct
67 Correct 11 ms 11336 KB Output is correct
68 Correct 11 ms 11268 KB Output is correct
69 Correct 15 ms 11264 KB Output is correct
70 Correct 13 ms 11216 KB Output is correct
71 Partially correct 53 ms 11208 KB Partially correct - number of queries: 8253
72 Correct 16 ms 11216 KB Output is correct
73 Partially correct 61 ms 11216 KB Partially correct - number of queries: 8126
74 Partially correct 52 ms 11256 KB Partially correct - number of queries: 8180
75 Correct 13 ms 11216 KB Output is correct
76 Partially correct 51 ms 11212 KB Partially correct - number of queries: 7067
77 Partially correct 77 ms 11216 KB Partially correct - number of queries: 8313
78 Correct 17 ms 11216 KB Output is correct
79 Correct 41 ms 11216 KB Output is correct
80 Partially correct 75 ms 11216 KB Partially correct - number of queries: 8310
81 Partially correct 47 ms 11216 KB Partially correct - number of queries: 8281
82 Partially correct 63 ms 11216 KB Partially correct - number of queries: 8216
83 Correct 12 ms 11216 KB Output is correct
84 Partially correct 62 ms 11228 KB Partially correct - number of queries: 6819
85 Partially correct 63 ms 11264 KB Partially correct - number of queries: 8260
86 Correct 12 ms 11216 KB Output is correct
87 Correct 11 ms 11216 KB Output is correct
88 Correct 12 ms 11216 KB Output is correct
89 Correct 11 ms 11172 KB Output is correct
90 Correct 11 ms 11216 KB Output is correct
91 Correct 13 ms 11216 KB Output is correct
92 Correct 11 ms 11216 KB Output is correct
93 Correct 16 ms 11216 KB Output is correct
94 Correct 16 ms 11148 KB Output is correct
95 Correct 18 ms 11216 KB Output is correct
96 Correct 14 ms 11216 KB Output is correct
97 Correct 12 ms 11216 KB Output is correct