QOJ.ac

QOJ

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
#178244#2343. First of Her NamePetroTarnavskyi#AC ✓1044ms423388kbC++172.2kb2023-09-13 20:04:362023-09-13 20:04:37

Judging History

你现在查看的是最新测评结果

  • [2023-09-13 20:04:37]
  • 评测
  • 测评结果:AC
  • 用时:1044ms
  • 内存:423388kb
  • [2023-09-13 20:04:36]
  • 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, b, a) for (int i = (b) - 1; i >= (a); 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 unsigned long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;

const int MAX = 1'000'447;
const int AL = 26;

struct node
{
	int p;
	int c;
	int g[AL];
	int nxt[AL];
	int link;
	void init()
	{
		c = -1;
		p = -1;
		fill(g, g + 26, -1);
		fill(nxt, nxt + 26, -1);
		link = -1;
	}
};

struct AC
{
	node A[MAX];
	int sz;
	void init()
	{
		A[0].init();
		sz = 1;

	}
	int addStr(const string& s)
	{
		int x = 0;
		FOR (i, 0, SZ(s))
		{
			int c = s[i] - 'A';
			if (A[x].nxt[c] == -1)
			{
				A[x].nxt[c] = sz;
				A[sz].init();
				A[sz].c = c;
				A[sz].p = x;
				sz++;
			}
			x = A[x].nxt[c];
		}
		return x;
	}
	int go(int x, int c)
	{
		if (A[x].g[c] == -1)
		{
			if (A[x].nxt[c] != -1)
				A[x].g[c] = A[x].nxt[c];
			else if (x != 0)
				A[x].g[c] = go(getLink(x), c);
			else
				A[x].g[c] = 0;
		}
		return A[x].g[c];
	}
	int getLink(int x)
	{
		if (A[x].link == -1)
		{
			if (x == 0 || A[x].p == 0) return 0;
			A[x].link = go(getLink(A[x].p), A[x].c);
		}
		return A[x].link;
	}
} A;

int c[MAX];
VI g[MAX];
VI g2[MAX];
int a[MAX];
int val[MAX];

void dfs(int v, int x)
{
	x = A.go(x, c[v] - 'A');
	val[x]++;
	for (auto to : g[v])
		dfs(to, x);
}

void dfs2(int v)
{
	for (auto to : g2[v])
	{
		if (to != 0)
		{	
			dfs2(to);
			val[v] += val[to];
		}
	}
}


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout << fixed << setprecision(15);
	
	int n, k;
	cin >> n >> k;
	vector<string> v(k);
	FOR (i, 0, n)
	{
		char ch;
		int par;
		cin >> ch >> par;
		c[i + 1] = ch;
		g[par].PB(i + 1);
	}
	A.init();
	FOR (i, 0, k)
	{
		cin >> v[i];
		reverse(ALL(v[i]));
		a[i] = A.addStr(v[i]);
	}
	FOR (i, 0, A.sz)
	{
		g2[A.getLink(i)].PB(i);
	}
	dfs(1, 0);
	dfs2(0);
	FOR (i, 0, k)
	{
		cout << val[a[i]] << '\n';
	}
	cerr << double(clock()) / CLOCKS_PER_SEC << '\n';
	
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 9ms
memory: 50640kb

Test #2:

score: 0
Accepted
time: 3ms
memory: 50620kb

Test #3:

score: 0
Accepted
time: 3ms
memory: 50816kb

Test #4:

score: 0
Accepted
time: 11ms
memory: 50660kb

Test #5:

score: 0
Accepted
time: 11ms
memory: 50800kb

Test #6:

score: 0
Accepted
time: 7ms
memory: 50568kb

Test #7:

score: 0
Accepted
time: 7ms
memory: 50592kb

Test #8:

score: 0
Accepted
time: 3ms
memory: 50744kb

Test #9:

score: 0
Accepted
time: 0ms
memory: 50828kb

Test #10:

score: 0
Accepted
time: 0ms
memory: 50752kb

Test #11:

score: 0
Accepted
time: 171ms
memory: 398636kb

Test #12:

score: 0
Accepted
time: 8ms
memory: 50684kb

Test #13:

score: 0
Accepted
time: 3ms
memory: 50680kb

Test #14:

score: 0
Accepted
time: 4ms
memory: 50720kb

Test #15:

score: 0
Accepted
time: 8ms
memory: 50812kb

Test #16:

score: 0
Accepted
time: 8ms
memory: 50704kb

Test #17:

score: 0
Accepted
time: 8ms
memory: 50704kb

Test #18:

score: 0
Accepted
time: 8ms
memory: 50808kb

Test #19:

score: 0
Accepted
time: 7ms
memory: 50772kb

Test #20:

score: 0
Accepted
time: 10ms
memory: 50704kb

Test #21:

score: 0
Accepted
time: 3ms
memory: 50724kb

Test #22:

score: 0
Accepted
time: 0ms
memory: 50800kb

Test #23:

score: 0
Accepted
time: 3ms
memory: 54184kb

Test #24:

score: 0
Accepted
time: 13ms
memory: 52924kb

Test #25:

score: 0
Accepted
time: 7ms
memory: 51060kb

Test #26:

score: 0
Accepted
time: 3ms
memory: 53068kb

Test #27:

score: 0
Accepted
time: 4ms
memory: 50856kb

Test #28:

score: 0
Accepted
time: 9ms
memory: 53120kb

Test #29:

score: 0
Accepted
time: 8ms
memory: 51072kb

Test #30:

score: 0
Accepted
time: 8ms
memory: 51388kb

Test #31:

score: 0
Accepted
time: 7ms
memory: 54836kb

Test #32:

score: 0
Accepted
time: 10ms
memory: 59516kb

Test #33:

score: 0
Accepted
time: 12ms
memory: 63148kb

Test #34:

score: 0
Accepted
time: 100ms
memory: 149644kb

Test #35:

score: 0
Accepted
time: 219ms
memory: 84888kb

Test #36:

score: 0
Accepted
time: 229ms
memory: 291396kb

Test #37:

score: 0
Accepted
time: 178ms
memory: 201036kb

Test #38:

score: 0
Accepted
time: 136ms
memory: 75632kb

Test #39:

score: 0
Accepted
time: 1044ms
memory: 423388kb

Test #40:

score: 0
Accepted
time: 1042ms
memory: 418336kb

Test #41:

score: 0
Accepted
time: 120ms
memory: 134320kb

Test #42:

score: 0
Accepted
time: 270ms
memory: 333096kb

Test #43:

score: 0
Accepted
time: 98ms
memory: 149908kb

Test #44:

score: 0
Accepted
time: 166ms
memory: 182868kb

Test #45:

score: 0
Accepted
time: 210ms
memory: 98424kb

Test #46:

score: 0
Accepted
time: 3ms
memory: 50676kb

Test #47:

score: 0
Accepted
time: 4ms
memory: 50688kb

Test #48:

score: 0
Accepted
time: 12ms
memory: 50664kb

Test #49:

score: 0
Accepted
time: 3ms
memory: 50692kb

Test #50:

score: 0
Accepted
time: 8ms
memory: 50808kb

Test #51:

score: 0
Accepted
time: 3ms
memory: 50888kb

Test #52:

score: 0
Accepted
time: 7ms
memory: 50852kb

Test #53:

score: 0
Accepted
time: 4ms
memory: 53148kb

Test #54:

score: 0
Accepted
time: 9ms
memory: 54404kb

Test #55:

score: 0
Accepted
time: 6ms
memory: 50728kb

Test #56:

score: 0
Accepted
time: 8ms
memory: 51280kb