Submission #1099846

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1099846	2024-10-12T05:35:49 Z	model_code	Hieroglyphs (IOI24_hieroglyphs)	C++17	29 / 100	182 ms	26284 KB

hieroglyphs

// incorrect/yiping-wa2.cpp

#include<bits/stdc++.h>
#include"hieroglyphs.h"
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;

struct Data
{
	int d;
	vector<int> a, cnt, rnk;
	vector< vector<int> > pos;
	
	Data(vector<int> _a, int _d)
	{
		a = _a; d = _d;
		cnt.resize(d); pos.resize(d); rnk.resize(a.size());
		for(int i=0; i<(int)a.size(); ++i)
		{
			int x = a[i];
			rnk[i] = cnt[x]; ++cnt[x];
			pos[x].emplace_back(i);
		}
	}
	bool check(int x,int cx,int y,int cy) const
	{
		if(cx > (int)pos[x].size() || cy > (int)pos[y].size())
			return 0;
		if(cx == 0 || cy == 0) return 1;
		return pos[x][cx - 1] < pos[y][(int)pos[y].size() - cy];
	}
	int get_next(int i,int x) const
	{
		auto it = lower_bound(pos[x].begin(), pos[x].end(), i);
		return it == pos[x].end()? (int)a.size(): *it;
	}
};

vector<int> get_cand(const Data &aa, const Data &bb)
{
	int d = aa.d;
	vector<int> type(d), need(d);
	for(int i=0; i<d; ++i)
	{
		type[i] = aa.cnt[i] <= bb.cnt[i]? 0: 1;
		need[i] = min(aa.cnt[i], bb.cnt[i]);
	}
	
	vector<pii> veca, vecb;
	for(int i=0; i<(int)aa.a.size(); ++i)
		if(type[aa.a[i]] == 0)
			veca.emplace_back(aa.a[i], aa.rnk[i]);
	for(int i=0; i<(int)bb.a.size(); ++i)
		if(type[bb.a[i]] == 1)
			vecb.emplace_back(bb.a[i], bb.rnk[i]);
	
	auto check = [&] (pii x,pii y)
	{
		return aa.check(x.first, x.second + 1, y.first, need[y.first] - y.second)
		    && bb.check(x.first, x.second + 1, y.first, need[y.first] - y.second);
	};
	
	vector<int> c;
	int i = 0, j = 0;
	while(i<(int)veca.size() && j<(int)vecb.size())
	{
		bool tx = check(veca[i], vecb[j]);
		bool ty = check(vecb[j], veca[i]);
		
		if(tx == ty) return {-1};
		
		if(tx) c.emplace_back(veca[i].first), ++i;
		else c.emplace_back(vecb[j].first), ++j;
	}
	
	while(i<(int)veca.size()) c.emplace_back(veca[i].first), ++i;
	while(j<(int)vecb.size()) c.emplace_back(vecb[j].first), ++j;
	
	return c;
}

bool is_invalid(const vector<int> &c)
{
	return c.size() == 1 && c[0] == -1;
}

bool is_subseq(const vector<int> &a, const vector<int> &c)
{
	int j = 0;
	for(int i=0; i<(int)a.size() && j<(int)c.size(); ++i)
		if(a[i] == c[j]) ++j;
	return j >= (int)c.size();
}

vector<int> ucs(vector<int> a, vector<int> b)
{
	int d = 0;
	for(auto t: a)
		d = max(d, t + 1);
	for(auto t: b)
		d = max(d, t + 1);
	
	Data aa(a, d), bb(b, d);
	
	auto c = get_cand(aa, bb);
	if(is_invalid(c)) return c;
	
	if(!is_subseq(a, c)) return {-1};
	if(!is_subseq(b, c)) return {-1};
	
	Data cc(c, d);
	
	const int LIM = 100;
	
	vector< vector<int> > dp(LIM+1, vector<int>(LIM+1));
	
	int lst = 0;
	
	for(int al=0,ar, bl=0,br; al<(int)a.size() && bl<(int)b.size(); al=ar, bl=br)
	{
		ar = min((int)a.size(), al + LIM);
		br = min((int)b.size(), bl + LIM);
		
		for(int i=0; i<LIM; ++i)
			fill(dp[i].begin(), dp[i].end(), lst);
		
		for(int i=0; i<=ar-al; ++i)
			for(int j=0; j<=br-bl; ++j)
			{
				if(i) dp[i][j] = max(dp[i][j], dp[i-1][j]);
				if(j) dp[i][j] = max(dp[i][j], dp[i][j-1]);
				if(i && j && a[al+i-1] == b[bl+j-1])
				{
					dp[i][j] = max(dp[i][j], cc.get_next(dp[i-1][j-1], a[al+i-1]) + 1);
					if(dp[i][j] > (int)c.size())
						return {-1};
				}
			}
		
		lst = dp[ar-al][br-bl];
	}
	
	return c;
}

Subtask #0

0.0 / 0.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct

Subtask #1

3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	83 ms	22748 KB	Output is correct
6	Correct	56 ms	17708 KB	Output is correct
7	Correct	36 ms	17616 KB	Output is correct

Subtask #2

0.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	83 ms	22748 KB	Output is correct
6	Correct	56 ms	17708 KB	Output is correct
7	Correct	36 ms	17616 KB	Output is correct
8	Correct	105 ms	26272 KB	Output is correct
9	Correct	111 ms	26136 KB	Output is correct
10	Correct	72 ms	26076 KB	Output is correct
11	Correct	108 ms	26068 KB	Output is correct
12	Correct	82 ms	26188 KB	Output is correct
13	Correct	92 ms	26068 KB	Output is correct
14	Correct	128 ms	26064 KB	Output is correct
15	Correct	98 ms	26064 KB	Output is correct
16	Correct	82 ms	26108 KB	Output is correct
17	Correct	97 ms	26100 KB	Output is correct
18	Correct	6 ms	16708 KB	Output is correct
19	Correct	7 ms	16468 KB	Output is correct
20	Correct	8 ms	16952 KB	Output is correct
21	Correct	8 ms	17020 KB	Output is correct
22	Correct	51 ms	22492 KB	Output is correct
23	Correct	86 ms	26284 KB	Output is correct
24	Correct	80 ms	26276 KB	Output is correct
25	Correct	81 ms	26216 KB	Output is correct
26	Correct	63 ms	23348 KB	Output is correct
27	Correct	89 ms	26096 KB	Output is correct
28	Correct	80 ms	26240 KB	Output is correct
29	Correct	54 ms	20464 KB	Output is correct
30	Correct	38 ms	20520 KB	Output is correct
31	Correct	89 ms	26212 KB	Output is correct
32	Incorrect	93 ms	26064 KB	Output isn't correct
33	Halted	0 ms	0 KB	-

Subtask #3

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	155 ms	6460 KB	Output is correct
2	Correct	149 ms	6820 KB	Output is correct
3	Correct	113 ms	5652 KB	Output is correct
4	Correct	103 ms	5488 KB	Output is correct
5	Correct	128 ms	6284 KB	Output is correct
6	Correct	20 ms	3288 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	155 ms	6600 KB	Output is correct
17	Correct	14 ms	6220 KB	Output is correct
18	Correct	91 ms	4284 KB	Output is correct
19	Correct	13 ms	4160 KB	Output is correct
20	Correct	85 ms	5328 KB	Output is correct
21	Correct	12 ms	4668 KB	Output is correct
22	Correct	16 ms	6076 KB	Output is correct
23	Correct	15 ms	5836 KB	Output is correct
24	Correct	24 ms	5820 KB	Output is correct
25	Correct	15 ms	6216 KB	Output is correct
26	Correct	26 ms	5828 KB	Output is correct

Subtask #4

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	105 ms	26272 KB	Output is correct
2	Correct	111 ms	26136 KB	Output is correct
3	Correct	72 ms	26076 KB	Output is correct
4	Correct	108 ms	26068 KB	Output is correct
5	Correct	82 ms	26188 KB	Output is correct
6	Correct	92 ms	26068 KB	Output is correct
7	Correct	128 ms	26064 KB	Output is correct
8	Correct	98 ms	26064 KB	Output is correct
9	Correct	82 ms	26108 KB	Output is correct
10	Correct	97 ms	26100 KB	Output is correct
11	Correct	6 ms	16708 KB	Output is correct
12	Correct	7 ms	16468 KB	Output is correct
13	Correct	8 ms	16952 KB	Output is correct
14	Correct	8 ms	17020 KB	Output is correct
15	Correct	51 ms	22492 KB	Output is correct
16	Correct	86 ms	26284 KB	Output is correct
17	Correct	80 ms	26276 KB	Output is correct
18	Correct	81 ms	26216 KB	Output is correct
19	Correct	63 ms	23348 KB	Output is correct
20	Correct	155 ms	6460 KB	Output is correct
21	Correct	149 ms	6820 KB	Output is correct
22	Correct	113 ms	5652 KB	Output is correct
23	Correct	103 ms	5488 KB	Output is correct
24	Correct	128 ms	6284 KB	Output is correct
25	Correct	20 ms	3288 KB	Output is correct
26	Correct	12 ms	16720 KB	Output is correct
27	Correct	8 ms	16716 KB	Output is correct
28	Correct	7 ms	14940 KB	Output is correct
29	Correct	7 ms	16020 KB	Output is correct
30	Correct	6 ms	16816 KB	Output is correct
31	Correct	9 ms	16712 KB	Output is correct
32	Correct	8 ms	16964 KB	Output is correct
33	Correct	8 ms	17016 KB	Output is correct
34	Correct	20 ms	17592 KB	Output is correct
35	Correct	64 ms	22540 KB	Output is correct
36	Correct	66 ms	23048 KB	Output is correct
37	Correct	96 ms	23084 KB	Output is correct
38	Correct	123 ms	23000 KB	Output is correct
39	Correct	182 ms	22960 KB	Output is correct
40	Correct	106 ms	24772 KB	Output is correct
41	Correct	80 ms	23360 KB	Output is correct
42	Correct	53 ms	16736 KB	Output is correct
43	Correct	55 ms	18344 KB	Output is correct
44	Correct	59 ms	18048 KB	Output is correct
45	Correct	49 ms	16644 KB	Output is correct
46	Correct	76 ms	23784 KB	Output is correct
47	Correct	86 ms	23700 KB	Output is correct
48	Correct	74 ms	23548 KB	Output is correct
49	Correct	74 ms	23344 KB	Output is correct
50	Correct	82 ms	23284 KB	Output is correct
51	Correct	72 ms	23376 KB	Output is correct
52	Correct	69 ms	23432 KB	Output is correct
53	Correct	96 ms	23292 KB	Output is correct
54	Correct	66 ms	23264 KB	Output is correct
55	Correct	14 ms	18396 KB	Output is correct
56	Correct	67 ms	23008 KB	Output is correct
57	Correct	60 ms	22572 KB	Output is correct
58	Correct	63 ms	23396 KB	Output is correct
59	Correct	84 ms	23180 KB	Output is correct
60	Correct	65 ms	23048 KB	Output is correct

Subtask #5

0.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	12 ms	16720 KB	Output is correct
11	Correct	8 ms	16716 KB	Output is correct
12	Correct	7 ms	14940 KB	Output is correct
13	Correct	7 ms	16020 KB	Output is correct
14	Correct	6 ms	16816 KB	Output is correct
15	Correct	9 ms	16712 KB	Output is correct
16	Correct	8 ms	16964 KB	Output is correct
17	Correct	8 ms	17016 KB	Output is correct
18	Correct	3 ms	604 KB	Output is correct
19	Correct	2 ms	604 KB	Output is correct
20	Correct	3 ms	604 KB	Output is correct
21	Correct	2 ms	856 KB	Output is correct
22	Correct	2 ms	604 KB	Output is correct
23	Incorrect	3 ms	604 KB	Output isn't correct
24	Halted	0 ms	0 KB	-

Subtask #6

0.0 / 42.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	83 ms	22748 KB	Output is correct
9	Correct	56 ms	17708 KB	Output is correct
10	Correct	36 ms	17616 KB	Output is correct
11	Correct	105 ms	26272 KB	Output is correct
12	Correct	111 ms	26136 KB	Output is correct
13	Correct	72 ms	26076 KB	Output is correct
14	Correct	108 ms	26068 KB	Output is correct
15	Correct	82 ms	26188 KB	Output is correct
16	Correct	92 ms	26068 KB	Output is correct
17	Correct	128 ms	26064 KB	Output is correct
18	Correct	98 ms	26064 KB	Output is correct
19	Correct	82 ms	26108 KB	Output is correct
20	Correct	97 ms	26100 KB	Output is correct
21	Correct	6 ms	16708 KB	Output is correct
22	Correct	7 ms	16468 KB	Output is correct
23	Correct	8 ms	16952 KB	Output is correct
24	Correct	8 ms	17020 KB	Output is correct
25	Correct	51 ms	22492 KB	Output is correct
26	Correct	86 ms	26284 KB	Output is correct
27	Correct	80 ms	26276 KB	Output is correct
28	Correct	81 ms	26216 KB	Output is correct
29	Correct	63 ms	23348 KB	Output is correct
30	Correct	89 ms	26096 KB	Output is correct
31	Correct	80 ms	26240 KB	Output is correct
32	Correct	54 ms	20464 KB	Output is correct
33	Correct	38 ms	20520 KB	Output is correct
34	Correct	89 ms	26212 KB	Output is correct
35	Incorrect	93 ms	26064 KB	Output isn't correct
36	Halted	0 ms	0 KB	-