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Submission #1028750

# Submission time Handle Problem Language Result Execution time Memory
1028750 2024-07-20T08:09:01 Z parsadox2 The Big Prize (IOI17_prize) C++17
20 / 100
 656 ms 4000 KB 
#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 2e5 + 10;
int n , cnt[N];
bool marked[N] , dead[N];

int Sq(int val)
{
	for(int i = 1 ; i <= val ; i++)  if(i * i >= val)
		return i;
	return val;
}

int Solve()
{
	int sq = Sq(n);
	int mx = 0;
	for(int i = 0 ; i < min(n , sq + 2) ; i++)
	{
		auto now = ask(i);
		mx = max(mx , now[0] + now[1]);
	}
	for(int asd = 0 ; asd < mx ; asd++)
	{
		vector <int> all;
		int tmp = 0;
		for(int i = 0 ; i < n ; i++) if(!dead[i])
		{
			if(marked[i])
				tmp++;
			else
			{
				cnt[i] = tmp;
				all.push_back(i);
			}
		}
		int low = -1 , high = all.size();
		while(high - low > 1)
		{
			int mid = (low + high) >> 1;
			int id = all[mid];
			auto now = ask(id);
			if(now[0] + now[1] != mx)
			{
				marked[id] = true;
				break;
			}
			now[0] -= cnt[id];
			if(now[0] != 0)
				high = mid;
			else
				low = mid;
			dead[id] = true;
		}
	}
	for(int i = 0 ; i < n ; i++)  if(marked[i])
	{
		auto now = ask(i);
		if(now[0] + now[1] == 0)
			return i;
	}
	return -1;
}

int find_best(int nn) {
	n = nn;
	if(n == 1)
		return 0;
	return Solve();
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2256 KB Output is correct
2 Correct 3 ms 2000 KB Output is correct
3 Correct 3 ms 2000 KB Output is correct
4 Correct 3 ms 2000 KB Output is correct
5 Correct 5 ms 2088 KB Output is correct
6 Correct 3 ms 2000 KB Output is correct
7 Correct 4 ms 2000 KB Output is correct
8 Correct 3 ms 2000 KB Output is correct
9 Correct 5 ms 2064 KB Output is correct
10 Correct 4 ms 2000 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2252 KB Output is correct
2 Correct 4 ms 2000 KB Output is correct
3 Correct 3 ms 2000 KB Output is correct
4 Correct 3 ms 2096 KB Output is correct
5 Correct 4 ms 2000 KB Output is correct
6 Correct 4 ms 2000 KB Output is correct
7 Correct 3 ms 2000 KB Output is correct
8 Correct 3 ms 2000 KB Output is correct
9 Correct 4 ms 2000 KB Output is correct
10 Correct 4 ms 2000 KB Output is correct
11 Correct 36 ms 3656 KB Output is correct
12 Correct 38 ms 3288 KB Output is correct
13 Correct 37 ms 3412 KB Output is correct
14 Correct 20 ms 776 KB Output is correct
15 Partially correct 442 ms 3468 KB Partially correct - number of queries: 7902
16 Partially correct 477 ms 3452 KB Partially correct - number of queries: 8695
17 Partially correct 515 ms 3368 KB Partially correct - number of queries: 8366
18 Partially correct 487 ms 3908 KB Partially correct - number of queries: 8750
19 Partially correct 448 ms 3692 KB Partially correct - number of queries: 7819
20 Partially correct 181 ms 1940 KB Partially correct - number of queries: 5529
21 Partially correct 507 ms 3584 KB Partially correct - number of queries: 8380
22 Partially correct 345 ms 3508 KB Partially correct - number of queries: 6205
23 Correct 11 ms 3188 KB Output is correct
24 Correct 34 ms 3344 KB Output is correct
25 Partially correct 486 ms 3704 KB Partially correct - number of queries: 8430
26 Partially correct 479 ms 3476 KB Partially correct - number of queries: 8541
27 Correct 11 ms 3096 KB Output is correct
28 Partially correct 492 ms 3884 KB Partially correct - number of queries: 8631
29 Partially correct 400 ms 3480 KB Partially correct - number of queries: 7069
30 Partially correct 510 ms 3640 KB Partially correct - number of queries: 8654
31 Partially correct 486 ms 3732 KB Partially correct - number of queries: 8164
32 Correct 38 ms 3404 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Partially correct 575 ms 3360 KB Partially correct - number of queries: 8342
35 Correct 19 ms 3188 KB Output is correct
36 Partially correct 556 ms 3812 KB Partially correct - number of queries: 8292
37 Correct 51 ms 3324 KB Output is correct
38 Correct 11 ms 3200 KB Output is correct
39 Partially correct 547 ms 3740 KB Partially correct - number of queries: 8400
40 Partially correct 462 ms 3624 KB Partially correct - number of queries: 7458
41 Partially correct 583 ms 4000 KB Partially correct - number of queries: 8541
42 Partially correct 612 ms 3460 KB Partially correct - number of queries: 8541
43 Partially correct 498 ms 3552 KB Partially correct - number of queries: 8250
44 Partially correct 569 ms 3912 KB Partially correct - number of queries: 8445
45 Partially correct 557 ms 3708 KB Partially correct - number of queries: 8335
46 Partially correct 574 ms 3568 KB Partially correct - number of queries: 8217
47 Partially correct 656 ms 3820 KB Partially correct - number of queries: 8391
48 Partially correct 571 ms 3396 KB Partially correct - number of queries: 8666
49 Partially correct 539 ms 3488 KB Partially correct - number of queries: 8253
50 Partially correct 593 ms 3572 KB Partially correct - number of queries: 8744
51 Partially correct 567 ms 3968 KB Partially correct - number of queries: 8455
52 Partially correct 539 ms 3952 KB Partially correct - number of queries: 8220
53 Correct 12 ms 3164 KB Output is correct
54 Partially correct 554 ms 3780 KB Partially correct - number of queries: 8453
55 Partially correct 541 ms 3504 KB Partially correct - number of queries: 8265
56 Partially correct 591 ms 3904 KB Partially correct - number of queries: 8751
57 Partially correct 547 ms 3720 KB Partially correct - number of queries: 8565
58 Partially correct 561 ms 4000 KB Partially correct - number of queries: 8596
59 Partially correct 582 ms 3548 KB Partially correct - number of queries: 8540
60 Partially correct 534 ms 3468 KB Partially correct - number of queries: 8492
61 Correct 11 ms 3188 KB Output is correct
62 Correct 19 ms 3188 KB Output is correct
63 Correct 11 ms 3188 KB Output is correct
64 Correct 12 ms 3188 KB Output is correct
65 Correct 52 ms 3136 KB Output is correct
66 Partially correct 564 ms 3512 KB Partially correct - number of queries: 5931
67 Partially correct 602 ms 3556 KB Partially correct - number of queries: 5428
68 Partially correct 574 ms 3192 KB Partially correct - number of queries: 5676
69 Partially correct 559 ms 3580 KB Partially correct - number of queries: 5914
70 Correct 302 ms 3280 KB Output is correct
71 Partially correct 504 ms 3508 KB Partially correct - number of queries: 9418
72 Correct 36 ms 3356 KB Output is correct
73 Partially correct 491 ms 3644 KB Partially correct - number of queries: 9285
74 Partially correct 548 ms 3584 KB Partially correct - number of queries: 9342
75 Correct 12 ms 3188 KB Output is correct
76 Partially correct 471 ms 3548 KB Partially correct - number of queries: 8050
77 Partially correct 580 ms 3488 KB Partially correct - number of queries: 8806
78 Correct 42 ms 3436 KB Output is correct
79 Correct 245 ms 3512 KB Output is correct
80 Partially correct 583 ms 3808 KB Partially correct - number of queries: 8785
81 Partially correct 570 ms 3640 KB Partially correct - number of queries: 8802
82 Partially correct 517 ms 3752 KB Partially correct - number of queries: 8710
83 Correct 11 ms 3188 KB Output is correct
84 Partially correct 459 ms 3428 KB Partially correct - number of queries: 7195
85 Partially correct 534 ms 3768 KB Partially correct - number of queries: 8666
86 Incorrect 31 ms 3256 KB Integer -1 violates the range [0, 199999]
87 Halted 0 ms 0 KB -