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답안 #1045227

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1045227 2024-08-05T19:13:30 Z beaconmc 커다란 상품 (IOI17_prize) C++14
96.79 / 100
 253 ms 2152 KB 
#include "prize.h"

#include <bits/stdc++.h>
 
typedef int ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
 
using namespace std;


map<ll, vector<ll>> cache;

vector<ll> query(int n){

	if (cache.count(n)) return cache[n];
	else return cache[n] = ask(n);
}


int find_best(int n) {
	cache.clear();
	vector<ll> stuff(n);

	FOR(i,0,n) stuff[i] = i;
	ll maxi = -1;
	FOR(i,0,min(500, n)){
		vector<ll> sus = query(i);
		maxi = max(maxi, sus[0]+sus[1]);
	}
	

	vector<ll> found;

	ll ans = -1;


	while (ans == -1){


		ll lo = 0;
		ll hi = stuff.size()-1;
		bool skip = false;

		while (lo < hi){




			ll mid = (lo+hi)/2;
			FOR(i, max(lo, mid-10000), min(hi, mid+10000)){
				if (cache.count(stuff[i])){
					mid = i;
					break;
				}
			}


			vector<ll> sus = query(stuff[mid]);


			if (sus[0] + sus[1] < maxi){
					
				if (sus[0]+sus[1]==0) return stuff[mid];
				found.push_back(stuff[mid]);
				stuff.erase(stuff.begin()+mid);
				skip = true;
				break;
			}else{
				sort(found.begin(), found.end());
				ll idk = upper_bound(found.begin(), found.end(), stuff[mid]) - found.begin();

				if (idk < sus[0]){
					hi = mid;
				}else{
					lo = mid+1;
				}
			}
		}

		if (skip) continue;

		vector<ll> sus = query(stuff[lo]);
		if (sus[0]+sus[1] == maxi) break;
		if (sus[0]+sus[1]==0) return stuff[lo];
		found.push_back(stuff[lo]);
		stuff.erase(stuff.begin()+lo);

	}

	return 0;

}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 1112 KB Output is correct
2 Correct 4 ms 1112 KB Output is correct
3 Correct 4 ms 1196 KB Output is correct
4 Correct 4 ms 1108 KB Output is correct
5 Correct 4 ms 1512 KB Output is correct
6 Correct 5 ms 1112 KB Output is correct
7 Correct 5 ms 1112 KB Output is correct
8 Correct 6 ms 1112 KB Output is correct
9 Correct 3 ms 1112 KB Output is correct
10 Correct 3 ms 1112 KB Output is correct

Subtask #2
76.79 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 1112 KB Output is correct
2 Correct 3 ms 1112 KB Output is correct
3 Correct 3 ms 1112 KB Output is correct
4 Correct 3 ms 1112 KB Output is correct
5 Correct 4 ms 1192 KB Output is correct
6 Correct 3 ms 1112 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 4 ms 1500 KB Output is correct
9 Correct 2 ms 1112 KB Output is correct
10 Correct 3 ms 1368 KB Output is correct
11 Correct 10 ms 1112 KB Output is correct
12 Correct 3 ms 1112 KB Output is correct
13 Correct 18 ms 1112 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 28 ms 1300 KB Output is correct
16 Correct 162 ms 1616 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 209 ms 1616 KB Output is correct
19 Correct 4 ms 1112 KB Output is correct
20 Correct 35 ms 1104 KB Output is correct
21 Correct 80 ms 1360 KB Output is correct
22 Correct 15 ms 1112 KB Output is correct
23 Correct 5 ms 1112 KB Output is correct
24 Correct 5 ms 1276 KB Output is correct
25 Correct 109 ms 1360 KB Output is correct
26 Correct 99 ms 1360 KB Output is correct
27 Correct 5 ms 1112 KB Output is correct
28 Correct 181 ms 1616 KB Output is correct
29 Correct 142 ms 1320 KB Output is correct
30 Correct 224 ms 1568 KB Output is correct
31 Correct 3 ms 1112 KB Output is correct
32 Correct 19 ms 1308 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 56 ms 1336 KB Output is correct
35 Correct 8 ms 1112 KB Output is correct
36 Correct 43 ms 1360 KB Output is correct
37 Correct 8 ms 1112 KB Output is correct
38 Correct 4 ms 1112 KB Output is correct
39 Correct 88 ms 1356 KB Output is correct
40 Correct 169 ms 1636 KB Output is correct
41 Correct 107 ms 1360 KB Output is correct
42 Correct 113 ms 1876 KB Output is correct
43 Correct 100 ms 1412 KB Output is correct
44 Correct 74 ms 1368 KB Output is correct
45 Correct 62 ms 1352 KB Output is correct
46 Correct 3 ms 1112 KB Output is correct
47 Correct 80 ms 1372 KB Output is correct
48 Correct 136 ms 1760 KB Output is correct
49 Correct 17 ms 1296 KB Output is correct
50 Correct 207 ms 2152 KB Output is correct
51 Correct 76 ms 1360 KB Output is correct
52 Correct 5 ms 1112 KB Output is correct
53 Correct 8 ms 1112 KB Output is correct
54 Correct 73 ms 1376 KB Output is correct
55 Correct 3 ms 1112 KB Output is correct
56 Correct 207 ms 1616 KB Output is correct
57 Correct 140 ms 1544 KB Output is correct
58 Correct 139 ms 1872 KB Output is correct
59 Correct 105 ms 1540 KB Output is correct
60 Correct 98 ms 1368 KB Output is correct
61 Correct 10 ms 1112 KB Output is correct
62 Correct 4 ms 1112 KB Output is correct
63 Correct 10 ms 1112 KB Output is correct
64 Correct 7 ms 1112 KB Output is correct
65 Correct 15 ms 1112 KB Output is correct
66 Correct 200 ms 1276 KB Output is correct
67 Correct 68 ms 1288 KB Output is correct
68 Correct 179 ms 1268 KB Output is correct
69 Correct 194 ms 1112 KB Output is correct
70 Correct 82 ms 1280 KB Output is correct
71 Partially correct 212 ms 1616 KB Partially correct - number of queries: 5321
72 Correct 23 ms 1308 KB Output is correct
73 Partially correct 206 ms 1856 KB Partially correct - number of queries: 5259
74 Partially correct 223 ms 1616 KB Partially correct - number of queries: 5285
75 Correct 9 ms 1112 KB Output is correct
76 Correct 185 ms 1996 KB Output is correct
77 Correct 212 ms 1516 KB Output is correct
78 Correct 19 ms 1296 KB Output is correct
79 Correct 72 ms 1616 KB Output is correct
80 Correct 200 ms 1520 KB Output is correct
81 Correct 199 ms 1616 KB Output is correct
82 Correct 253 ms 1620 KB Output is correct
83 Correct 10 ms 1112 KB Output is correct
84 Correct 154 ms 1628 KB Output is correct
85 Correct 196 ms 1616 KB Output is correct
86 Correct 177 ms 1112 KB Output is correct
87 Correct 16 ms 1252 KB Output is correct
88 Correct 167 ms 1112 KB Output is correct
89 Correct 182 ms 1112 KB Output is correct
90 Correct 6 ms 1112 KB Output is correct
91 Correct 105 ms 1624 KB Output is correct
92 Correct 168 ms 1112 KB Output is correct
93 Correct 189 ms 1268 KB Output is correct
94 Correct 182 ms 1268 KB Output is correct
95 Correct 197 ms 1536 KB Output is correct
96 Correct 187 ms 1360 KB Output is correct
97 Correct 184 ms 1112 KB Output is correct