Submission #647940

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
647940	2022-10-04T16:46:17 Z	rainboy	Broken Device 2 (JOI22_device2)	C++17	40 / 100	568 ms	24868 KB

Anna

/* https://www.ioi-jp.org/camp/2022/2022-sp-tasks/contest3/device2-review.pdf */
#include "Anna.h"
#include <vector>

using namespace std;

const int L = 2000;

typedef vector<int> vi;

namespace {
	long long f(int l) {
		return (long long) (l / 3 + 1) * ((l + 1) / 3 + 1) * ((l + 2) / 3 * 2 + 1);
	}
}

int Declare() {
	return L;
}

pair<vi, vi> Anna(long long x) {
	x--;
	int l = 1;
	while (x >= f(l))
		x -= f(l++);
	vi aa(l, 0), bb(l, 0);
	int l0 = l / 3, l1 = (l + 1) / 3, l2 = (l + 2) / 3;
	int kl = x % (l0 + 1), kr = x / (l0 + 1) % (l1 + 1), km = x / (l0 + 1) / (l1 + 1);
	for (int i = 0; i < kl; i++)
		aa[i] = bb[l0 - 1 - i] = 1;
	for (int i = l - 1; i >= l - kr; i--)
		aa[i] = bb[l - l1 + l - 1 - i] = 1;
	if (km <= l2)
		for (int i = 0; i < km; i++)
			aa[l0 + i] = 1;
	else {
		for (int i = 0; i < l2; i++)
			aa[l0 + i] = 1;
		for (int i = 0; i < km - l2; i++)
			bb[l0 + i] = 1;
	}
	return make_pair(aa, bb);
}

Bruno

/* https://www.ioi-jp.org/camp/2022/2022-sp-tasks/contest3/device2-review.pdf */
#include "Bruno.h"
#include <vector>

using namespace std;

typedef vector<int> vi;

namespace {
	long long f(int l) {
		return (long long) (l / 3 + 1) * ((l + 1) / 3 + 1) * ((l + 2) / 3 * 2 + 1);
	}
}

long long Bruno(vi cc) {
	int l = cc.size() / 2;
	long long x = 1;
	for (int l_ = 1; l_ < l; l_++)
		x += f(l_);
	int l0 = l / 3;
	int l1 = (l + 1) / 3;
	int kl = 0;
	for (int i = 0; i < l0; i++)
		if (cc[i] == 1)
			kl++;
	int kr = 0;
	for (int i = l * 2 - 1; i >= l * 2 - l1; i--)
		if (cc[i] == 1)
			kr++;
	int km = 0;
	for (int i = 0; i < l * 2; i++)
		if (cc[i] == 1)
			km++;
	km -= (kl + kr) * 2;
	return x + ((long long) km * (l1 + 1) + kr) * (l0 + 1) + kl;
}

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	11 ms	772 KB	Output is correct
3	Correct	13 ms	768 KB	Output is correct

Subtask #2

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	11 ms	772 KB	Output is correct
3	Correct	13 ms	768 KB	Output is correct
4	Correct	44 ms	2236 KB	Output is correct
5	Correct	44 ms	2236 KB	Output is correct
6	Correct	45 ms	2192 KB	Output is correct
7	Correct	41 ms	2256 KB	Output is correct
8	Correct	43 ms	2212 KB	Output is correct
9	Correct	52 ms	2520 KB	Output is correct
10	Correct	47 ms	2420 KB	Output is correct

Subtask #3

3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	11 ms	772 KB	Output is correct
3	Correct	13 ms	768 KB	Output is correct
4	Correct	44 ms	2236 KB	Output is correct
5	Correct	44 ms	2236 KB	Output is correct
6	Correct	45 ms	2192 KB	Output is correct
7	Correct	41 ms	2256 KB	Output is correct
8	Correct	43 ms	2212 KB	Output is correct
9	Correct	52 ms	2520 KB	Output is correct
10	Correct	47 ms	2420 KB	Output is correct
11	Correct	53 ms	2684 KB	Output is correct
12	Correct	53 ms	2656 KB	Output is correct
13	Correct	56 ms	2588 KB	Output is correct
14	Correct	58 ms	2548 KB	Output is correct
15	Correct	55 ms	2608 KB	Output is correct
16	Correct	60 ms	2920 KB	Output is correct
17	Correct	61 ms	2928 KB	Output is correct
18	Correct	41 ms	2224 KB	Output is correct
19	Correct	43 ms	2284 KB	Output is correct
20	Correct	46 ms	2204 KB	Output is correct

Subtask #4

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	11 ms	772 KB	Output is correct
3	Correct	13 ms	768 KB	Output is correct
4	Correct	44 ms	2236 KB	Output is correct
5	Correct	44 ms	2236 KB	Output is correct
6	Correct	45 ms	2192 KB	Output is correct
7	Correct	41 ms	2256 KB	Output is correct
8	Correct	43 ms	2212 KB	Output is correct
9	Correct	52 ms	2520 KB	Output is correct
10	Correct	47 ms	2420 KB	Output is correct
11	Correct	53 ms	2684 KB	Output is correct
12	Correct	53 ms	2656 KB	Output is correct
13	Correct	56 ms	2588 KB	Output is correct
14	Correct	58 ms	2548 KB	Output is correct
15	Correct	55 ms	2608 KB	Output is correct
16	Correct	60 ms	2920 KB	Output is correct
17	Correct	61 ms	2928 KB	Output is correct
18	Correct	41 ms	2224 KB	Output is correct
19	Correct	43 ms	2284 KB	Output is correct
20	Correct	46 ms	2204 KB	Output is correct
21	Correct	89 ms	4264 KB	Output is correct
22	Correct	90 ms	4344 KB	Output is correct
23	Correct	90 ms	4124 KB	Output is correct
24	Correct	88 ms	4252 KB	Output is correct
25	Correct	89 ms	4260 KB	Output is correct
26	Correct	102 ms	4812 KB	Output is correct
27	Correct	93 ms	4732 KB	Output is correct
28	Correct	67 ms	3252 KB	Output is correct
29	Correct	68 ms	3328 KB	Output is correct
30	Correct	71 ms	3532 KB	Output is correct

Subtask #5

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	11 ms	772 KB	Output is correct
3	Correct	13 ms	768 KB	Output is correct
4	Correct	44 ms	2236 KB	Output is correct
5	Correct	44 ms	2236 KB	Output is correct
6	Correct	45 ms	2192 KB	Output is correct
7	Correct	41 ms	2256 KB	Output is correct
8	Correct	43 ms	2212 KB	Output is correct
9	Correct	52 ms	2520 KB	Output is correct
10	Correct	47 ms	2420 KB	Output is correct
11	Correct	53 ms	2684 KB	Output is correct
12	Correct	53 ms	2656 KB	Output is correct
13	Correct	56 ms	2588 KB	Output is correct
14	Correct	58 ms	2548 KB	Output is correct
15	Correct	55 ms	2608 KB	Output is correct
16	Correct	60 ms	2920 KB	Output is correct
17	Correct	61 ms	2928 KB	Output is correct
18	Correct	41 ms	2224 KB	Output is correct
19	Correct	43 ms	2284 KB	Output is correct
20	Correct	46 ms	2204 KB	Output is correct
21	Correct	89 ms	4264 KB	Output is correct
22	Correct	90 ms	4344 KB	Output is correct
23	Correct	90 ms	4124 KB	Output is correct
24	Correct	88 ms	4252 KB	Output is correct
25	Correct	89 ms	4260 KB	Output is correct
26	Correct	102 ms	4812 KB	Output is correct
27	Correct	93 ms	4732 KB	Output is correct
28	Correct	67 ms	3252 KB	Output is correct
29	Correct	68 ms	3328 KB	Output is correct
30	Correct	71 ms	3532 KB	Output is correct
31	Correct	474 ms	20056 KB	Output is correct
32	Correct	449 ms	20132 KB	Output is correct
33	Correct	499 ms	20080 KB	Output is correct
34	Correct	453 ms	20180 KB	Output is correct
35	Correct	449 ms	20240 KB	Output is correct
36	Correct	562 ms	24868 KB	Output is correct
37	Correct	568 ms	24692 KB	Output is correct
38	Correct	339 ms	15332 KB	Output is correct
39	Correct	348 ms	15388 KB	Output is correct
40	Correct	377 ms	15392 KB	Output is correct

Subtask #6

0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	1552 KB	Wrong Answer [3]
2	Halted	0 ms	0 KB	-