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Submission #1028767

# Submission time Handle Problem Language Result Execution time Memory
1028767 2024-07-20T08:25:13 Z parsadox2 The Big Prize (IOI17_prize) C++17
20 / 100
 616 ms 4052 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 Q = 0;
	int sq = Sq(n);
	int mx = 0;
	for(int i = 0 ; i < min(n , sq + 2) ; i++)
	{
		Q++;
		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)
		{
			Q++;
			int mid = (low + high) >> 1;
			int id = all[mid];
			auto now = ask(id);
			//cout << low << " " << high << " " << mid << endl;
			if(now[0] + now[1] != mx)
			{
				//cout << id << "! " << endl;
				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])
	{
		Q++;
		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 3 ms 2000 KB Output is correct
2 Correct 4 ms 2000 KB Output is correct
3 Correct 4 ms 2000 KB Output is correct
4 Correct 5 ms 2104 KB Output is correct
5 Correct 5 ms 2100 KB Output is correct
6 Correct 5 ms 2000 KB Output is correct
7 Correct 4 ms 2040 KB Output is correct
8 Correct 4 ms 2100 KB Output is correct
9 Correct 3 ms 2100 KB Output is correct
10 Correct 4 ms 2256 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2092 KB Output is correct
2 Correct 5 ms 2088 KB Output is correct
3 Correct 4 ms 1968 KB Output is correct
4 Correct 4 ms 2092 KB Output is correct
5 Correct 5 ms 2000 KB Output is correct
6 Correct 4 ms 2108 KB Output is correct
7 Correct 5 ms 2088 KB Output is correct
8 Correct 3 ms 2096 KB Output is correct
9 Correct 4 ms 2100 KB Output is correct
10 Correct 4 ms 2000 KB Output is correct
11 Correct 46 ms 3456 KB Output is correct
12 Correct 48 ms 3564 KB Output is correct
13 Correct 46 ms 3404 KB Output is correct
14 Correct 36 ms 924 KB Output is correct
15 Partially correct 566 ms 3464 KB Partially correct - number of queries: 7902
16 Partially correct 546 ms 3524 KB Partially correct - number of queries: 8695
17 Partially correct 560 ms 3428 KB Partially correct - number of queries: 8366
18 Partially correct 553 ms 3448 KB Partially correct - number of queries: 8750
19 Partially correct 504 ms 3544 KB Partially correct - number of queries: 7819
20 Partially correct 196 ms 2140 KB Partially correct - number of queries: 5529
21 Partially correct 579 ms 3424 KB Partially correct - number of queries: 8380
22 Partially correct 416 ms 3580 KB Partially correct - number of queries: 6205
23 Correct 12 ms 3172 KB Output is correct
24 Correct 43 ms 3272 KB Output is correct
25 Partially correct 591 ms 3480 KB Partially correct - number of queries: 8430
26 Partially correct 602 ms 3468 KB Partially correct - number of queries: 8541
27 Correct 12 ms 3080 KB Output is correct
28 Partially correct 563 ms 3552 KB Partially correct - number of queries: 8631
29 Partially correct 459 ms 3700 KB Partially correct - number of queries: 7069
30 Partially correct 532 ms 3512 KB Partially correct - number of queries: 8654
31 Partially correct 521 ms 3476 KB Partially correct - number of queries: 8164
32 Correct 42 ms 3500 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Partially correct 546 ms 3716 KB Partially correct - number of queries: 8342
35 Correct 21 ms 3224 KB Output is correct
36 Partially correct 616 ms 3360 KB Partially correct - number of queries: 8292
37 Correct 40 ms 3288 KB Output is correct
38 Correct 10 ms 3188 KB Output is correct
39 Partially correct 495 ms 3420 KB Partially correct - number of queries: 8400
40 Partially correct 466 ms 3476 KB Partially correct - number of queries: 7458
41 Partially correct 492 ms 3720 KB Partially correct - number of queries: 8541
42 Partially correct 526 ms 3792 KB Partially correct - number of queries: 8541
43 Partially correct 512 ms 3448 KB Partially correct - number of queries: 8250
44 Partially correct 570 ms 3412 KB Partially correct - number of queries: 8445
45 Partially correct 558 ms 3860 KB Partially correct - number of queries: 8335
46 Partially correct 546 ms 3564 KB Partially correct - number of queries: 8217
47 Partially correct 548 ms 3784 KB Partially correct - number of queries: 8391
48 Partially correct 545 ms 3824 KB Partially correct - number of queries: 8666
49 Partially correct 545 ms 3684 KB Partially correct - number of queries: 8253
50 Partially correct 554 ms 4052 KB Partially correct - number of queries: 8744
51 Partially correct 550 ms 3540 KB Partially correct - number of queries: 8455
52 Partially correct 565 ms 3588 KB Partially correct - number of queries: 8220
53 Correct 12 ms 3188 KB Output is correct
54 Partially correct 536 ms 3484 KB Partially correct - number of queries: 8453
55 Partially correct 518 ms 3560 KB Partially correct - number of queries: 8265
56 Partially correct 530 ms 3496 KB Partially correct - number of queries: 8751
57 Partially correct 541 ms 3412 KB Partially correct - number of queries: 8565
58 Partially correct 524 ms 3600 KB Partially correct - number of queries: 8596
59 Partially correct 508 ms 3460 KB Partially correct - number of queries: 8540
60 Partially correct 535 ms 3472 KB Partially correct - number of queries: 8492
61 Correct 11 ms 3188 KB Output is correct
62 Correct 16 ms 3160 KB Output is correct
63 Correct 12 ms 3188 KB Output is correct
64 Correct 13 ms 3188 KB Output is correct
65 Correct 41 ms 3180 KB Output is correct
66 Partially correct 521 ms 3372 KB Partially correct - number of queries: 5931
67 Partially correct 535 ms 3316 KB Partially correct - number of queries: 5428
68 Partially correct 482 ms 3160 KB Partially correct - number of queries: 5676
69 Partially correct 557 ms 3412 KB Partially correct - number of queries: 5914
70 Correct 329 ms 3164 KB Output is correct
71 Partially correct 557 ms 3664 KB Partially correct - number of queries: 9418
72 Correct 43 ms 3348 KB Output is correct
73 Partially correct 544 ms 3684 KB Partially correct - number of queries: 9285
74 Partially correct 539 ms 3524 KB Partially correct - number of queries: 9342
75 Correct 11 ms 3188 KB Output is correct
76 Partially correct 452 ms 3428 KB Partially correct - number of queries: 8050
77 Partially correct 557 ms 3612 KB Partially correct - number of queries: 8806
78 Correct 53 ms 3396 KB Output is correct
79 Correct 245 ms 3456 KB Output is correct
80 Partially correct 563 ms 3580 KB Partially correct - number of queries: 8785
81 Partially correct 557 ms 3724 KB Partially correct - number of queries: 8802
82 Partially correct 530 ms 3460 KB Partially correct - number of queries: 8710
83 Correct 12 ms 3180 KB Output is correct
84 Partially correct 429 ms 3544 KB Partially correct - number of queries: 7195
85 Partially correct 519 ms 3428 KB Partially correct - number of queries: 8666
86 Incorrect 31 ms 3120 KB Integer -1 violates the range [0, 199999]
87 Halted 0 ms 0 KB -