답안 #61777 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
61777	2018-07-26T16:30:41 Z	zadrga	커다란 상품 (IOI17_prize)	C++14	100 / 100	82 ms	10392 KB

prize

#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF (1 << 30)
#define MOD (1000 * 1000 * 1000 + 7)
#define maxn 201111

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;

map<int, pii> m[maxn];
int ans;

pii ASK(int x){
	vector<int> v = ask(x);
	return mp(v[0], v[1]);
}

void solve(int l, int d){
	if(ans != -1 || l > d)
		return;

	int mid = (l + d) / 2;
	pii cur = ASK(mid);
	int sum = cur.fi + cur.se;
	if(sum == 0){
		ans = mid;
		return;
	}

	auto it = m[sum].upper_bound(mid);

	bool left = 1, right = 1;
	if(it != m[sum].begin()){
		it--;
		if(cur.se == it -> se.se)
			left = 0;
		it++;
	}

	if(it != m[sum].end()){
		if(cur.se == it -> se.se)
			right = 0;
	}

	m[sum][mid] = cur;
	if(left)
		solve(l, mid - 1);

	if(right)
		solve(mid + 1, d);
}

int find_best(int n){
	ans = -1;
	solve(0, n - 1);
	return ans;
}

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	9636 KB	Output is correct
2	Correct	16 ms	9780 KB	Output is correct
3	Correct	16 ms	9860 KB	Output is correct
4	Correct	13 ms	9860 KB	Output is correct
5	Correct	15 ms	10012 KB	Output is correct
6	Correct	12 ms	10012 KB	Output is correct
7	Correct	13 ms	10012 KB	Output is correct
8	Correct	15 ms	10012 KB	Output is correct
9	Correct	12 ms	10012 KB	Output is correct
10	Correct	13 ms	10012 KB	Output is correct

Subtask #2
80.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	10012 KB	Output is correct
2	Correct	12 ms	10012 KB	Output is correct
3	Correct	13 ms	10012 KB	Output is correct
4	Correct	13 ms	10012 KB	Output is correct
5	Correct	14 ms	10012 KB	Output is correct
6	Correct	14 ms	10012 KB	Output is correct
7	Correct	12 ms	10012 KB	Output is correct
8	Correct	12 ms	10012 KB	Output is correct
9	Correct	15 ms	10012 KB	Output is correct
10	Correct	15 ms	10012 KB	Output is correct
11	Correct	15 ms	10012 KB	Output is correct
12	Correct	15 ms	10012 KB	Output is correct
13	Correct	19 ms	10012 KB	Output is correct
14	Correct	13 ms	10012 KB	Output is correct
15	Correct	21 ms	10044 KB	Output is correct
16	Correct	48 ms	10344 KB	Output is correct
17	Correct	15 ms	10344 KB	Output is correct
18	Correct	61 ms	10344 KB	Output is correct
19	Correct	16 ms	10344 KB	Output is correct
20	Correct	26 ms	10344 KB	Output is correct
21	Correct	29 ms	10344 KB	Output is correct
22	Correct	14 ms	10344 KB	Output is correct
23	Correct	14 ms	10344 KB	Output is correct
24	Correct	12 ms	10344 KB	Output is correct
25	Correct	37 ms	10344 KB	Output is correct
26	Correct	35 ms	10344 KB	Output is correct
27	Correct	14 ms	10344 KB	Output is correct
28	Correct	78 ms	10344 KB	Output is correct
29	Correct	59 ms	10344 KB	Output is correct
30	Correct	82 ms	10344 KB	Output is correct
31	Correct	14 ms	10344 KB	Output is correct
32	Correct	17 ms	10344 KB	Output is correct
33	Correct	11 ms	10344 KB	Output is correct
34	Correct	36 ms	10344 KB	Output is correct
35	Correct	14 ms	10344 KB	Output is correct
36	Correct	21 ms	10344 KB	Output is correct
37	Correct	14 ms	10344 KB	Output is correct
38	Correct	14 ms	10344 KB	Output is correct
39	Correct	30 ms	10344 KB	Output is correct
40	Correct	48 ms	10344 KB	Output is correct
41	Correct	41 ms	10344 KB	Output is correct
42	Correct	30 ms	10344 KB	Output is correct
43	Correct	37 ms	10344 KB	Output is correct
44	Correct	24 ms	10344 KB	Output is correct
45	Correct	34 ms	10344 KB	Output is correct
46	Correct	13 ms	10344 KB	Output is correct
47	Correct	26 ms	10344 KB	Output is correct
48	Correct	63 ms	10344 KB	Output is correct
49	Correct	18 ms	10344 KB	Output is correct
50	Correct	64 ms	10392 KB	Output is correct
51	Correct	27 ms	10392 KB	Output is correct
52	Correct	11 ms	10392 KB	Output is correct
53	Correct	16 ms	10392 KB	Output is correct
54	Correct	34 ms	10392 KB	Output is correct
55	Correct	13 ms	10392 KB	Output is correct
56	Correct	57 ms	10392 KB	Output is correct
57	Correct	43 ms	10392 KB	Output is correct
58	Correct	43 ms	10392 KB	Output is correct
59	Correct	41 ms	10392 KB	Output is correct
60	Correct	45 ms	10392 KB	Output is correct
61	Correct	15 ms	10392 KB	Output is correct
62	Correct	12 ms	10392 KB	Output is correct
63	Correct	14 ms	10392 KB	Output is correct
64	Correct	16 ms	10392 KB	Output is correct
65	Correct	14 ms	10392 KB	Output is correct
66	Correct	11 ms	10392 KB	Output is correct
67	Correct	14 ms	10392 KB	Output is correct
68	Correct	13 ms	10392 KB	Output is correct
69	Correct	15 ms	10392 KB	Output is correct
70	Correct	16 ms	10392 KB	Output is correct
71	Correct	72 ms	10392 KB	Output is correct
72	Correct	16 ms	10392 KB	Output is correct
73	Correct	72 ms	10392 KB	Output is correct
74	Correct	60 ms	10392 KB	Output is correct
75	Correct	12 ms	10392 KB	Output is correct
76	Correct	55 ms	10392 KB	Output is correct
77	Correct	76 ms	10392 KB	Output is correct
78	Correct	19 ms	10392 KB	Output is correct
79	Correct	25 ms	10392 KB	Output is correct
80	Correct	61 ms	10392 KB	Output is correct
81	Correct	71 ms	10392 KB	Output is correct
82	Correct	54 ms	10392 KB	Output is correct
83	Correct	14 ms	10392 KB	Output is correct
84	Correct	61 ms	10392 KB	Output is correct
85	Correct	50 ms	10392 KB	Output is correct
86	Correct	19 ms	10392 KB	Output is correct
87	Correct	16 ms	10392 KB	Output is correct
88	Correct	17 ms	10392 KB	Output is correct
89	Correct	17 ms	10392 KB	Output is correct
90	Correct	14 ms	10392 KB	Output is correct
91	Correct	16 ms	10392 KB	Output is correct
92	Correct	12 ms	10392 KB	Output is correct
93	Correct	15 ms	10392 KB	Output is correct
94	Correct	14 ms	10392 KB	Output is correct
95	Correct	17 ms	10392 KB	Output is correct
96	Correct	14 ms	10392 KB	Output is correct
97	Correct	13 ms	10392 KB	Output is correct

답안 #61777

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 80.0 / 80.0

Subtask #1
20.0 / 20.0

Subtask #2
80.0 / 80.0