oj.uz

Submission #596639

# Submission time Handle Problem Language Result Execution time Memory
596639 2022-07-14T23:14:07 Z farhan132 The Big Prize (IOI17_prize) C++17
100 / 100
 53 ms 436 KB 
#include "prize.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef int ll;
typedef pair<ll , ll> ii;
 
#define ff first
#define ss second
#define pb push_back
#define in insert

const ll Q = 5e3;

int ans = 0;
int god_number = 0;

void find(ll l, ll r, ll L, ll M, ll R){
	if(M <= 0 || r < l) return;
	ll m = (l + r)/2;
	auto v = ask(m);
	if(v[0] + v[1] == god_number){
		find(l, m-1, L, v[0] - L, v[1]);
		find(m+1, r, v[0], v[1] - R, R);
		return;
	}
	if(v[0] + v[1] == 0){
		ans = m;
		return;
	}
	ll L1 = l, R1 = m-1; ll c = 1; M--;
	while(L1 <= R1 && M){
		v = ask(R1);
		if(v[0] + v[1] == 0){
			ans = R1; return;
		}
		if(v[0] + v[1] == god_number){
			if(L1 <= R1-1){
				find(L1, R1-1, L, v[0] - L, v[1]);
			}
			find(m+1, r, v[0] + c, v[1] - c - R, R);
			return;
		}
		M--;
		R1--;
		c++;
	}
	if(!M) return;
	find(m+1, r, L + c, M, R);
	return;
}
ll _try(ll n, ll c){
	return 0;
}

int find_best(int n) {
	if(n < Q){
		for(ll i = 0; i < n; i++){
			auto v = ask(i);
			if(v[0] + v[1] == 0) return i; 
		}
	}
	vector < ll > c(500, 0);
	ll fact = 475;
	for(int i = 0; i <= fact; i++){
		auto v = ask(i);
		if(v[0] + v[1] == 0) return i;
		c[i] = v[0] + v[1];
		if(c[i] != god_number){
			god_number = max(c[i], god_number);
			continue;
		}
		if(c[i] * c[i] > n){
			fact = i;
			break;
		}

	}
	ll L = 0;
	for(ll i = 0; i <= fact; i++){
		if(c[i] != god_number) L++;
	}
	find(fact + 1, n-1, L , god_number - L, 0);

	return ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 348 KB Output is correct
2 Correct 6 ms 288 KB Output is correct
3 Correct 5 ms 292 KB Output is correct
4 Correct 2 ms 300 KB Output is correct
5 Correct 3 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 5 ms 208 KB Output is correct
8 Correct 2 ms 288 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 300 KB Output is correct
2 Correct 4 ms 436 KB Output is correct
3 Correct 3 ms 276 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 4 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 5 ms 208 KB Output is correct
8 Correct 6 ms 284 KB Output is correct
9 Correct 3 ms 272 KB Output is correct
10 Correct 6 ms 304 KB Output is correct
11 Correct 11 ms 208 KB Output is correct
12 Correct 10 ms 296 KB Output is correct
13 Correct 6 ms 284 KB Output is correct
14 Correct 9 ms 300 KB Output is correct
15 Correct 40 ms 296 KB Output is correct
16 Correct 43 ms 208 KB Output is correct
17 Correct 17 ms 292 KB Output is correct
18 Correct 36 ms 208 KB Output is correct
19 Correct 3 ms 272 KB Output is correct
20 Correct 20 ms 208 KB Output is correct
21 Correct 31 ms 256 KB Output is correct
22 Correct 27 ms 296 KB Output is correct
23 Correct 3 ms 396 KB Output is correct
24 Correct 7 ms 208 KB Output is correct
25 Correct 32 ms 208 KB Output is correct
26 Correct 41 ms 208 KB Output is correct
27 Correct 4 ms 292 KB Output is correct
28 Correct 36 ms 208 KB Output is correct
29 Correct 37 ms 284 KB Output is correct
30 Correct 35 ms 208 KB Output is correct
31 Correct 16 ms 288 KB Output is correct
32 Correct 9 ms 208 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 30 ms 208 KB Output is correct
35 Correct 6 ms 276 KB Output is correct
36 Correct 47 ms 208 KB Output is correct
37 Correct 8 ms 208 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 29 ms 208 KB Output is correct
40 Correct 36 ms 208 KB Output is correct
41 Correct 31 ms 208 KB Output is correct
42 Correct 32 ms 208 KB Output is correct
43 Correct 32 ms 296 KB Output is correct
44 Correct 37 ms 292 KB Output is correct
45 Correct 40 ms 296 KB Output is correct
46 Correct 29 ms 292 KB Output is correct
47 Correct 36 ms 288 KB Output is correct
48 Correct 33 ms 288 KB Output is correct
49 Correct 21 ms 296 KB Output is correct
50 Correct 32 ms 208 KB Output is correct
51 Correct 33 ms 208 KB Output is correct
52 Correct 32 ms 296 KB Output is correct
53 Correct 6 ms 272 KB Output is correct
54 Correct 17 ms 296 KB Output is correct
55 Correct 25 ms 272 KB Output is correct
56 Correct 37 ms 288 KB Output is correct
57 Correct 43 ms 208 KB Output is correct
58 Correct 31 ms 288 KB Output is correct
59 Correct 53 ms 208 KB Output is correct
60 Correct 32 ms 208 KB Output is correct
61 Correct 5 ms 292 KB Output is correct
62 Correct 4 ms 208 KB Output is correct
63 Correct 6 ms 208 KB Output is correct
64 Correct 6 ms 292 KB Output is correct
65 Correct 4 ms 288 KB Output is correct
66 Correct 3 ms 420 KB Output is correct
67 Correct 1 ms 288 KB Output is correct
68 Correct 4 ms 292 KB Output is correct
69 Correct 5 ms 208 KB Output is correct
70 Correct 4 ms 208 KB Output is correct
71 Correct 36 ms 208 KB Output is correct
72 Correct 8 ms 300 KB Output is correct
73 Correct 32 ms 208 KB Output is correct
74 Correct 19 ms 304 KB Output is correct
75 Correct 6 ms 208 KB Output is correct
76 Correct 37 ms 296 KB Output is correct
77 Correct 46 ms 208 KB Output is correct
78 Correct 11 ms 300 KB Output is correct
79 Correct 21 ms 208 KB Output is correct
80 Correct 31 ms 208 KB Output is correct
81 Correct 32 ms 208 KB Output is correct
82 Correct 40 ms 208 KB Output is correct
83 Correct 4 ms 208 KB Output is correct
84 Correct 37 ms 288 KB Output is correct
85 Correct 19 ms 344 KB Output is correct
86 Correct 5 ms 208 KB Output is correct
87 Correct 4 ms 288 KB Output is correct
88 Correct 4 ms 208 KB Output is correct
89 Correct 4 ms 208 KB Output is correct
90 Correct 7 ms 300 KB Output is correct
91 Correct 4 ms 296 KB Output is correct
92 Correct 3 ms 208 KB Output is correct
93 Correct 6 ms 208 KB Output is correct
94 Correct 8 ms 208 KB Output is correct
95 Correct 6 ms 300 KB Output is correct
96 Correct 10 ms 296 KB Output is correct
97 Correct 4 ms 208 KB Output is correct