답안 #216662

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
216662 2020-03-27T19:01:23 Z davitmarg 커다란 상품 (IOI17_prize) C++17
90 / 100
87 ms 6236 KB
/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
#include "prize.h"
using namespace std;

const int N = 200005;

int used[N],n;
vector<int> res[N];

vector<int> Ask(int pos)
{
	if (used[pos])
		return res[pos];
	used[pos] = 1;
	return res[pos] = ask(pos);
}

int get(int pos)
{
	return Ask(pos)[0] + Ask(pos)[1];
}

int find_best(int nn)
{
	n = nn;
	int mx = 0, ans = -1;
	for (int i = 0; i < min(500, n); i++)
		mx = max(mx, get(i));
	for (int i = 0; i < n; i++)
	{
		int now = get(i);
		if (now == mx)
		{
			int l = i, r = n - 1, m, pos;
			while (l <= r)
			{
				m = (l + r) / 2;
				if (Ask(m)==Ask(i))
				{
					pos = m;
					l = m + 1;
				}
				else
					r = m - 1;
			}
			i = pos;
		}
		else if (now == 0)
		{
			ans = i;
			break;
		}
	}
	return ans;
}

//int main()
//{
//	
//	return 0;
//}



/*




*/

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:51:2: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
  for (int i = 0; i < n; i++)
  ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 5120 KB Output is correct
2 Correct 14 ms 4992 KB Output is correct
3 Correct 10 ms 5112 KB Output is correct
4 Correct 10 ms 5136 KB Output is correct
5 Correct 10 ms 5128 KB Output is correct
6 Correct 9 ms 5128 KB Output is correct
7 Correct 12 ms 5112 KB Output is correct
8 Correct 10 ms 5136 KB Output is correct
9 Correct 10 ms 5112 KB Output is correct
10 Correct 12 ms 5112 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 5120 KB Output is correct
2 Correct 12 ms 5120 KB Output is correct
3 Correct 12 ms 5128 KB Output is correct
4 Correct 10 ms 5128 KB Output is correct
5 Correct 12 ms 5120 KB Output is correct
6 Correct 12 ms 4992 KB Output is correct
7 Correct 10 ms 5120 KB Output is correct
8 Correct 12 ms 5120 KB Output is correct
9 Correct 13 ms 5112 KB Output is correct
10 Correct 12 ms 5120 KB Output is correct
11 Correct 15 ms 5368 KB Output is correct
12 Correct 11 ms 5112 KB Output is correct
13 Correct 17 ms 5624 KB Output is correct
14 Correct 15 ms 5120 KB Output is correct
15 Correct 23 ms 5368 KB Output is correct
16 Partially correct 71 ms 6008 KB Partially correct - number of queries: 7218
17 Correct 12 ms 5112 KB Output is correct
18 Partially correct 52 ms 6152 KB Partially correct - number of queries: 8378
19 Correct 12 ms 4992 KB Output is correct
20 Correct 29 ms 5368 KB Output is correct
21 Correct 33 ms 5696 KB Output is correct
22 Correct 18 ms 5340 KB Output is correct
23 Correct 15 ms 4992 KB Output is correct
24 Correct 12 ms 5120 KB Output is correct
25 Correct 44 ms 5748 KB Output is correct
26 Correct 51 ms 5712 KB Output is correct
27 Correct 12 ms 5112 KB Output is correct
28 Partially correct 75 ms 6008 KB Partially correct - number of queries: 7903
29 Partially correct 53 ms 5880 KB Partially correct - number of queries: 6143
30 Partially correct 79 ms 6236 KB Partially correct - number of queries: 8307
31 Correct 15 ms 5112 KB Output is correct
32 Correct 12 ms 5552 KB Output is correct
33 Correct 9 ms 4992 KB Output is correct
34 Correct 23 ms 5668 KB Output is correct
35 Correct 16 ms 5348 KB Output is correct
36 Correct 27 ms 5500 KB Output is correct
37 Correct 14 ms 5240 KB Output is correct
38 Correct 12 ms 5120 KB Output is correct
39 Correct 37 ms 5752 KB Output is correct
40 Partially correct 61 ms 6056 KB Partially correct - number of queries: 7178
41 Partially correct 57 ms 5760 KB Partially correct - number of queries: 5238
42 Partially correct 56 ms 5728 KB Partially correct - number of queries: 5238
43 Correct 46 ms 5752 KB Output is correct
44 Correct 42 ms 5752 KB Output is correct
45 Correct 34 ms 5692 KB Output is correct
46 Correct 12 ms 5120 KB Output is correct
47 Correct 30 ms 5800 KB Output is correct
48 Partially correct 72 ms 5904 KB Partially correct - number of queries: 6334
49 Correct 13 ms 5324 KB Output is correct
50 Partially correct 84 ms 6008 KB Partially correct - number of queries: 8379
51 Correct 38 ms 5624 KB Output is correct
52 Correct 10 ms 5120 KB Output is correct
53 Correct 13 ms 5240 KB Output is correct
54 Correct 41 ms 5752 KB Output is correct
55 Correct 12 ms 5112 KB Output is correct
56 Partially correct 78 ms 6196 KB Partially correct - number of queries: 8374
57 Partially correct 70 ms 5880 KB Partially correct - number of queries: 6238
58 Partially correct 57 ms 5880 KB Partially correct - number of queries: 6320
59 Partially correct 68 ms 5788 KB Partially correct - number of queries: 5235
60 Correct 49 ms 5752 KB Output is correct
61 Correct 14 ms 5240 KB Output is correct
62 Correct 12 ms 5112 KB Output is correct
63 Correct 16 ms 5240 KB Output is correct
64 Correct 13 ms 5112 KB Output is correct
65 Correct 12 ms 5068 KB Output is correct
66 Correct 16 ms 5112 KB Output is correct
67 Correct 12 ms 5120 KB Output is correct
68 Correct 11 ms 5096 KB Output is correct
69 Correct 16 ms 5160 KB Output is correct
70 Correct 12 ms 5112 KB Output is correct
71 Partially correct 75 ms 6028 KB Partially correct - number of queries: 8270
72 Correct 17 ms 5632 KB Output is correct
73 Partially correct 77 ms 6008 KB Partially correct - number of queries: 8159
74 Partially correct 66 ms 6132 KB Partially correct - number of queries: 8219
75 Correct 19 ms 5240 KB Output is correct
76 Partially correct 69 ms 5988 KB Partially correct - number of queries: 7113
77 Partially correct 66 ms 5984 KB Partially correct - number of queries: 7051
78 Correct 18 ms 5632 KB Output is correct
79 Correct 37 ms 5880 KB Output is correct
80 Partially correct 73 ms 6008 KB Partially correct - number of queries: 8409
81 Partially correct 75 ms 6008 KB Partially correct - number of queries: 8420
82 Partially correct 87 ms 6080 KB Partially correct - number of queries: 8353
83 Correct 13 ms 5248 KB Output is correct
84 Partially correct 66 ms 6008 KB Partially correct - number of queries: 6970
85 Partially correct 77 ms 6008 KB Partially correct - number of queries: 8433
86 Correct 12 ms 5120 KB Output is correct
87 Correct 12 ms 5120 KB Output is correct
88 Correct 12 ms 5120 KB Output is correct
89 Correct 12 ms 5120 KB Output is correct
90 Correct 13 ms 5120 KB Output is correct
91 Correct 12 ms 5120 KB Output is correct
92 Correct 15 ms 5120 KB Output is correct
93 Correct 16 ms 5496 KB Output is correct
94 Correct 16 ms 5504 KB Output is correct
95 Correct 15 ms 5496 KB Output is correct
96 Correct 14 ms 5504 KB Output is correct
97 Correct 12 ms 5120 KB Output is correct