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
#369811#2827. AutobiographyPetroTarnavskyi#WA 0ms3552kbC++201.7kb2024-03-28 18:11:462024-03-28 18:11:48

Judging History

你现在查看的是最新测评结果

  • [2024-03-28 18:11:48]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3552kb
  • [2024-03-28 18:11:46]
  • 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;

VI zFunction(const string& s)
{
	int n = SZ(s);
	VI z(n);
	int l = 0;
	int r = 0;
	FOR(i, 1, n)
	{
		z[i] = 0;
		if(i <= r)
			z[i] = min(r - i + 1, z[i - l]);
		
		while(i + z[i] < n && s[i + z[i]] == s[z[i]])
			z[i]++;
		if(i + z[i] - 1 > r)
		{
			r = i + z[i] - 1;
			l = i;
		}
	}
	return z;
}

VI prefixFunction(const string& s)
{
	int n = SZ(s);
	VI p(n);
	p[0] = 0;
	FOR(i, 1, n)
	{
		int j = p[i - 1];
		while(j != 0 && s[i] != s[j])
			j = p[j - 1];
		if(s[i] == s[j]) j++;
		p[i] = j;
	}
	return p;
}

const int INF = 1e9;

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	string s, t;
	while(cin >> s >> t)
	{
		VI zFunc = zFunction(t + "#" + s);
		
		VI pFunc = prefixFunction(s + "#" + t);
		int ans = pFunc.back();
		
		VI dp(SZ(s) + 1, -INF);
		FOR(i, 0, SZ(s))
		{
			int pos = i + SZ(t) + 1;
			if(pos < SZ(zFunc) && zFunc[pos] == SZ(t))
			{
				dp[i] = i;
			}
			else if(i != 0)
			{
				dp[i] = dp[pFunc[i - 1]];
			}
		}
		FOR(i, 0, SZ(s))
		{
			if(i)
				cout << " ";
			
			int res = max(ans, dp[i] + SZ(t));
			if(res == SZ(s))
				res = pFunc[SZ(s) - 1];
			cout << res;
			//cout << min(SZ(s) - 1, max(ans, dp[i] + SZ(t)));
			
		}
		cout << "\n";
	}
	
	return 0;
}

詳細信息

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3552kb

input:

5 4
bbobo
1 3
2 3
3 4
4 5
4 6
bobo
1 2
1 3
1 4
2 3
2 4
3 4
4 0
bobo

output:

0
0 0 0 0 0
0
0
0
0
0
0
0
0
0
0
0
0

result:

wrong answer 1st lines differ - expected: '2', found: '0'