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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#450967#6821. Another A+B ProblemPetroTarnavskyi#WA 0ms3612kbC++202.6kb2024-06-22 20:01:232024-06-22 20:01:24

Judging History

你现在查看的是最新测评结果

  • [2024-06-22 20:01:24]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3612kb
  • [2024-06-22 20:01:23]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;


const int mod = 998244353;
int mult(int a, int b)
{
	return (LL)a * b % mod;
}
void updAdd(int& a, int b)
{
	a += b;
	if(a >= mod)
		a -= mod;
}


const int AL = 26;

struct Node
{
	int p;
	int c;
	int g[AL];
	int nxt[AL];
	int link;
	
	
	Node(int _c, int _p)
	{
		c = _c;
		p = _p;
		fill(g, g + AL, -1);
		fill(nxt, nxt + AL, -1);
		link = -1;
	}
};

struct AC
{
	vector<Node> a;
	VI term;
	VI len;
	
	void init(int n)
	{
		a.reserve(n);
		a.PB(Node(-1, -1));
		term.PB(0);
		len.PB(0);
	}
	int addStr(const string& s, int id)
	{
		int v = 0;
		FOR(i, 0, SZ(s))
		{
			int c = s[i] - 'a';
			if(a[v].nxt[c] == -1)
			{
				a[v].nxt[c] = SZ(a);
				a.PB(Node(c, v));
				term.PB(0);
				len.PB(0);
			}
			v = a[v].nxt[c];
		}
		term[v] = id;
		len[v] = SZ(s);
		return v;
	}
	int go(int v, int c)
	{
		if(a[v].g[c] != -1)
			return a[v].g[c];
		
		if(a[v].nxt[c] != -1)
			a[v].g[c] = a[v].nxt[c];
		else if(v != 0)
			a[v].g[c] = go(getLink(v), c);
		else
			a[v].g[c] = 0;
		
		return a[v].g[c];
	}
	int getLink(int v)
	{
		if(a[v].link != -1)
			return a[v].link;
		if(v == 0 || a[v].p == 0)
			return 0;
		return a[v].link = go(getLink(a[v].p), a[v].c);
	}

	vector<VI> g;
	VI par;
	
	void dfs(int v, int p)
	{
		par[v] = p;
		if(term[v] != 0)
			p = v;
		
		for(int to : g[v])
			dfs(to, p);
	}
	
	void build()
	{
		g.resize(SZ(a));
		par.resize(SZ(a));
		
		FOR(i, 1, SZ(a))
			g[getLink(i)].PB(i);
		
		dfs(0, -1); 
	}
};


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	int n;
	string s;
	cin >> s >> n;
	
	AC A;
	A.init(n);
	VI value(n + 1);
	FOR(i, 0, n)
	{
		string t;
		cin >> t >> value[i + 1];
		A.addStr(t, i + 1);
	}
	A.build();
	
	VI dp(SZ(s) + 1);
	dp[0] = 1;
	
	int v = 0;
	FOR(i, 0, SZ(s))
	{
		v = A.go(v, s[i] - 'a');
		
		dp[i + 1] = dp[i];
		if(A.term[v])
			updAdd(dp[i + 1], mult(value[A.term[v]], dp[i + 1 - A.len[v]]));
		
		int x = v;
		while(true)
		{
			x = A.par[x];
			if(x == -1)
				break;
			
			updAdd(dp[i + 1], mult(value[A.term[x]], dp[i + 1 - A.len[x]]));
		}
	
		if(i)
			cout << " ";
		cout << dp[i + 1];
	}
	cout << "\n";
	
	
	return 0;
}

詳細信息

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3612kb

input:

40+11=51
PBGPPGGB

output:

1 1 1 1 1 1 1 1

result:

wrong answer Jury has 7 answers but participant has 1