oj.uz

Submission #229052

# Submission time Handle Problem Language Result Execution time Memory
229052 2020-05-03T10:05:36 Z stefdasca The Big Prize (IOI17_prize) C++14
100 / 100
 63 ms 10104 KB 
#include<bits/stdc++.h>
#include "prize.h"
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front

// #define fisier 1

using namespace std;

typedef long long ll;

const int mod = 1000000007;
const double dancila = 3.14159265359; // PI 
const double eps = 1e-9;

int ans;
map<int, pair<int, int> > m[200002];
pair<int, int> qu(int x)
{
	vector<int> v = ask(x);
	return {v[0], v[1]};
}

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

	int mid = (st + dr) / 2;
	pair<int, int> cur = qu(mid);
	int sum = cur.fi + cur.se;
	if(sum == 0)
	{
		ans = mid;
		return;
	}
	
	auto it = m[sum].upper_bound(mid);
	bool L = 1, R = 1;
	if(it != m[sum].begin())
	{
		it--;
		if(cur.se == it -> se.se)
			L = 0;
		it++;
	}
	if(it != m[sum].end())
	{
		if(cur.se == it -> se.se)
			R = 0;
	}
	m[sum][mid] = cur;
	if(L)
		solve(st, mid - 1);
	if(R)
		solve(mid + 1, dr);
}

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

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 11 ms 9864 KB Output is correct
3 Correct 12 ms 9728 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 11 ms 9728 KB Output is correct
6 Correct 11 ms 9728 KB Output is correct
7 Correct 12 ms 9856 KB Output is correct
8 Correct 11 ms 9728 KB Output is correct
9 Correct 10 ms 9856 KB Output is correct
10 Correct 10 ms 9772 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9728 KB Output is correct
2 Correct 10 ms 9772 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 10 ms 9728 KB Output is correct
5 Correct 10 ms 9856 KB Output is correct
6 Correct 11 ms 9728 KB Output is correct
7 Correct 11 ms 9728 KB Output is correct
8 Correct 11 ms 9856 KB Output is correct
9 Correct 10 ms 9764 KB Output is correct
10 Correct 10 ms 9728 KB Output is correct
11 Correct 12 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 15 ms 9728 KB Output is correct
14 Correct 11 ms 9728 KB Output is correct
15 Correct 16 ms 9728 KB Output is correct
16 Correct 45 ms 9916 KB Output is correct
17 Correct 12 ms 9728 KB Output is correct
18 Correct 62 ms 9948 KB Output is correct
19 Correct 11 ms 9728 KB Output is correct
20 Correct 16 ms 9932 KB Output is correct
21 Correct 23 ms 9848 KB Output is correct
22 Correct 13 ms 9728 KB Output is correct
23 Correct 10 ms 9728 KB Output is correct
24 Correct 10 ms 9728 KB Output is correct
25 Correct 31 ms 9848 KB Output is correct
26 Correct 32 ms 9848 KB Output is correct
27 Correct 13 ms 9728 KB Output is correct
28 Correct 55 ms 9976 KB Output is correct
29 Correct 42 ms 9848 KB Output is correct
30 Correct 58 ms 10084 KB Output is correct
31 Correct 12 ms 9728 KB Output is correct
32 Correct 13 ms 9728 KB Output is correct
33 Correct 10 ms 9856 KB Output is correct
34 Correct 19 ms 9924 KB Output is correct
35 Correct 11 ms 9728 KB Output is correct
36 Correct 20 ms 9728 KB Output is correct
37 Correct 11 ms 9728 KB Output is correct
38 Correct 10 ms 9852 KB Output is correct
39 Correct 30 ms 9848 KB Output is correct
40 Correct 44 ms 10028 KB Output is correct
41 Correct 32 ms 9988 KB Output is correct
42 Correct 23 ms 10008 KB Output is correct
43 Correct 23 ms 9988 KB Output is correct
44 Correct 19 ms 9944 KB Output is correct
45 Correct 23 ms 9728 KB Output is correct
46 Correct 11 ms 9788 KB Output is correct
47 Correct 33 ms 9848 KB Output is correct
48 Correct 42 ms 9976 KB Output is correct
49 Correct 12 ms 9776 KB Output is correct
50 Correct 58 ms 9960 KB Output is correct
51 Correct 28 ms 9976 KB Output is correct
52 Correct 11 ms 9728 KB Output is correct
53 Correct 11 ms 9728 KB Output is correct
54 Correct 29 ms 9748 KB Output is correct
55 Correct 10 ms 9728 KB Output is correct
56 Correct 48 ms 9992 KB Output is correct
57 Correct 40 ms 9848 KB Output is correct
58 Correct 40 ms 9848 KB Output is correct
59 Correct 35 ms 9848 KB Output is correct
60 Correct 25 ms 9988 KB Output is correct
61 Correct 11 ms 9728 KB Output is correct
62 Correct 10 ms 9760 KB Output is correct
63 Correct 12 ms 9868 KB Output is correct
64 Correct 11 ms 9728 KB Output is correct
65 Correct 10 ms 9856 KB Output is correct
66 Correct 11 ms 9856 KB Output is correct
67 Correct 10 ms 9728 KB Output is correct
68 Correct 11 ms 9848 KB Output is correct
69 Correct 11 ms 9728 KB Output is correct
70 Correct 10 ms 9728 KB Output is correct
71 Correct 52 ms 9976 KB Output is correct
72 Correct 13 ms 9728 KB Output is correct
73 Correct 63 ms 10104 KB Output is correct
74 Correct 47 ms 9976 KB Output is correct
75 Correct 12 ms 9728 KB Output is correct
76 Correct 46 ms 9976 KB Output is correct
77 Correct 53 ms 10052 KB Output is correct
78 Correct 16 ms 9728 KB Output is correct
79 Correct 30 ms 9856 KB Output is correct
80 Correct 59 ms 9976 KB Output is correct
81 Correct 49 ms 9976 KB Output is correct
82 Correct 36 ms 10104 KB Output is correct
83 Correct 11 ms 9728 KB Output is correct
84 Correct 48 ms 9976 KB Output is correct
85 Correct 55 ms 9976 KB Output is correct
86 Correct 15 ms 9728 KB Output is correct
87 Correct 12 ms 9728 KB Output is correct
88 Correct 15 ms 9728 KB Output is correct
89 Correct 15 ms 9728 KB Output is correct
90 Correct 11 ms 9728 KB Output is correct
91 Correct 12 ms 9728 KB Output is correct
92 Correct 11 ms 9728 KB Output is correct
93 Correct 12 ms 9728 KB Output is correct
94 Correct 12 ms 9788 KB Output is correct
95 Correct 15 ms 9728 KB Output is correct
96 Correct 13 ms 9728 KB Output is correct
97 Correct 10 ms 9728 KB Output is correct