답안 #931909

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
931909 2024-02-22T14:29:31 Z Lobo 커다란 상품 (IOI17_prize) C++17
90 / 100
37 ms 2092 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define fr first
#define sc second
map<int,pair<int,pair<int,int>>> qr;
 
int cnt = 0;
int cntnonlol;
int n;
pair<int,pair<int,int>> query(int i) {
	if(i == n) return mp(cntnonlol,mp(cntnonlol,0));
	if(qr.count(i)) return qr[i];
	++cnt;
	vector<int> perg = ask(i);
	return qr[i] = mp(perg[0]+perg[1],mp(perg[0],perg[1]));
}
 
int find_best(int N) {
 	n = N;
 	if(n <= 5000) {
 		for(int i = 0; i < n; i++) {
 			if(query(i).fr == 0) return i;
 		}
 	}
 	int S = n/420;
 	stack<pair<int,int>> q;

 	for(int i = 0; i*S < n; i++) {
 		// i*S,(i+1)*S
 		int l = i*S;
 		int r = min(n-1,(i+1)*S);

		q.push(mp(l,r));
 	}

 	while(q.size()) {
 		int l = q.top().fr;
 		int r = q.top().sc;
 		q.pop();
 		if(l > r) continue;

 		if(query(l).fr == 0) return l;
 		if(query(r).fr == 0) return r;
 		if(r-l+1 <= 2) continue;

 		if(query(l) == query(r)) continue;
 		// int mid = (l+r)/2;
 		// q.push(mp(l,mid));
 		// q.push(mp(mid,r));

 		int ml = (2*l+r)/3;
 		int mr = (l+2*r)/3;
 		q.push(mp(l,ml));
 		q.push(mp(ml,mr));
 		q.push(mp(mr,r));
 	}

 	assert(false);
 	return -1;


}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 468 KB Output is correct
2 Correct 1 ms 452 KB Output is correct
3 Correct 1 ms 448 KB Output is correct
4 Correct 1 ms 356 KB Output is correct
5 Correct 1 ms 452 KB Output is correct
6 Correct 3 ms 848 KB Output is correct
7 Correct 2 ms 356 KB Output is correct
8 Correct 1 ms 452 KB Output is correct
9 Correct 1 ms 452 KB Output is correct
10 Correct 2 ms 728 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 716 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 2 ms 968 KB Output is correct
7 Correct 1 ms 696 KB Output is correct
8 Correct 1 ms 892 KB Output is correct
9 Correct 1 ms 700 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 3 ms 704 KB Output is correct
12 Correct 4 ms 972 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 7 ms 984 KB Output is correct
15 Correct 28 ms 1296 KB Output is correct
16 Correct 5 ms 716 KB Output is correct
17 Partially correct 37 ms 1644 KB Partially correct - number of queries: 6012
18 Correct 0 ms 344 KB Output is correct
19 Partially correct 27 ms 1452 KB Partially correct - number of queries: 5682
20 Correct 17 ms 1476 KB Output is correct
21 Correct 18 ms 1544 KB Output is correct
22 Correct 22 ms 1868 KB Output is correct
23 Correct 2 ms 452 KB Output is correct
24 Correct 4 ms 732 KB Output is correct
25 Correct 11 ms 1236 KB Output is correct
26 Correct 14 ms 1304 KB Output is correct
27 Correct 2 ms 692 KB Output is correct
28 Correct 1 ms 436 KB Output is correct
29 Correct 3 ms 708 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Partially correct 31 ms 1740 KB Partially correct - number of queries: 5917
32 Correct 2 ms 700 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 22 ms 972 KB Output is correct
35 Correct 1 ms 440 KB Output is correct
36 Correct 23 ms 860 KB Output is correct
37 Correct 3 ms 732 KB Output is correct
38 Correct 3 ms 972 KB Output is correct
39 Correct 16 ms 976 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 12 ms 1076 KB Output is correct
42 Correct 12 ms 1508 KB Output is correct
43 Correct 12 ms 788 KB Output is correct
44 Correct 15 ms 1128 KB Output is correct
45 Correct 22 ms 1044 KB Output is correct
46 Partially correct 27 ms 1204 KB Partially correct - number of queries: 5941
47 Correct 14 ms 828 KB Output is correct
48 Correct 9 ms 1044 KB Output is correct
49 Partially correct 33 ms 1876 KB Partially correct - number of queries: 5542
50 Correct 1 ms 344 KB Output is correct
51 Correct 19 ms 1060 KB Output is correct
52 Partially correct 35 ms 956 KB Partially correct - number of queries: 5890
53 Correct 1 ms 440 KB Output is correct
54 Correct 20 ms 1268 KB Output is correct
55 Partially correct 28 ms 1708 KB Partially correct - number of queries: 5978
56 Correct 0 ms 344 KB Output is correct
57 Correct 9 ms 1400 KB Output is correct
58 Correct 8 ms 1024 KB Output is correct
59 Correct 12 ms 700 KB Output is correct
60 Correct 12 ms 1776 KB Output is correct
61 Correct 1 ms 440 KB Output is correct
62 Correct 2 ms 452 KB Output is correct
63 Correct 1 ms 444 KB Output is correct
64 Correct 1 ms 440 KB Output is correct
65 Correct 1 ms 344 KB Output is correct
66 Correct 0 ms 544 KB Output is correct
67 Correct 1 ms 600 KB Output is correct
68 Correct 2 ms 696 KB Output is correct
69 Correct 1 ms 500 KB Output is correct
70 Correct 1 ms 344 KB Output is correct
71 Partially correct 25 ms 1224 KB Partially correct - number of queries: 5510
72 Correct 3 ms 980 KB Output is correct
73 Partially correct 30 ms 1488 KB Partially correct - number of queries: 5447
74 Partially correct 31 ms 1300 KB Partially correct - number of queries: 5474
75 Correct 3 ms 612 KB Output is correct
76 Correct 27 ms 1688 KB Output is correct
77 Partially correct 29 ms 2092 KB Partially correct - number of queries: 6055
78 Correct 4 ms 1216 KB Output is correct
79 Correct 16 ms 1288 KB Output is correct
80 Partially correct 32 ms 1296 KB Partially correct - number of queries: 6015
81 Partially correct 29 ms 1900 KB Partially correct - number of queries: 5970
82 Partially correct 27 ms 1992 KB Partially correct - number of queries: 5972
83 Correct 2 ms 696 KB Output is correct
84 Partially correct 23 ms 1612 KB Partially correct - number of queries: 5069
85 Partially correct 28 ms 1968 KB Partially correct - number of queries: 6059
86 Correct 2 ms 696 KB Output is correct
87 Correct 3 ms 948 KB Output is correct
88 Correct 2 ms 948 KB Output is correct
89 Correct 3 ms 436 KB Output is correct
90 Correct 2 ms 704 KB Output is correct
91 Correct 3 ms 856 KB Output is correct
92 Correct 2 ms 692 KB Output is correct
93 Correct 4 ms 1212 KB Output is correct
94 Correct 4 ms 724 KB Output is correct
95 Correct 4 ms 480 KB Output is correct
96 Correct 3 ms 724 KB Output is correct
97 Correct 0 ms 436 KB Output is correct