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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
#509775#1974. Black Family TreePetroTarnavskyi#WA 0ms113736kbC++201.8kb2024-08-08 18:34:302024-08-08 18:34:30

Judging History

你现在查看的是最新测评结果

  • [2024-08-08 18:34:30]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:113736kb
  • [2024-08-08 18:34:30]
  • 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 N = 304;
const int INF = 1e9 + 7;
int dp1[N][N][N];
int dp2[N][N];
string s;

void updMin(int& a, int b)
{
	a = min(a, b);
}

void calc(int i)
{
	int n = SZ(s);
	dp1[i][0][0] = 0;
	FOR (lenL, 0, i + 1)
	{
		FOR (lenR, 0, n - i)
		{
			if (lenL < i)
				updMin(dp1[i][lenL + 1][lenR], dp1[i][lenL][lenR] + 1);
			if (lenR < n - i - 1)
				updMin(dp1[i][lenL][lenR + 1], dp1[i][lenL][lenR] + 1);
			if (lenL < i && lenR < n - i - 1 && s[i - lenL + 1] == s[i + lenR])
				updMin(dp1[i][lenL + 1][lenR + 1], dp1[i][lenL][lenR]);
		}
	}
}


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	FOR (i, 0, N) FOR (j, 0, N)
	{
		dp2[i][j] = INF;
		fill(dp1[i][j], dp1[i][j] + N, INF);
	}
	
	cin >> s;
	int n = SZ(s);
	FOR (i, 0, n)
		calc(i);
	
	//FOR (i, 0, n)
	//{
	//	FOR (lenL, 0, i + 1)
	//	{
	//		FOR (lenR, 0, n - i)
	//			cerr << i << ' ' << lenL << ' ' << lenR << ' ' << dp1[i][lenL][lenR] << '\n';
	//	}
	//}
	//return 0;
	
	dp2[0][0] = 0;
	FOR (i, 0, n)
	{
		FOR (len, 0, i + 1)
		{
			FOR (len2, 0, n - i + 2)
			{
				updMin(dp2[i + len2][len2], dp2[i][len] + dp1[i][len][len2] + 1);
			}
		}
	}
	FOR (i, 0, n + 1)
	{
		FOR (len, 0, i + 1)
			cerr << i << ' ' << len << ' ' << dp2[i][len] << '\n';
	}
	int ans = INF;
	FOR (i, 0, n + 1)
		updMin(ans, dp2[n][i]);
	cout << ans << '\n';
	
	
	return 0;
}

詳細信息

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 113736kb

input:

6 5
1 2 4 8 16 32
1 2 2 1 5
1 1
2 3
4 5
2 6
6 6

output:

1000000007

result:

wrong answer 1st lines differ - expected: '63', found: '1000000007'