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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
#439316#8770. ComparatorPetroTarnavskyi#WA 152ms14872kbC++203.5kb2024-06-11 19:29:112024-06-11 19:29:12

Judging History

你现在查看的是最新测评结果

  • [2024-06-11 19:29:12]
  • 评测
  • 测评结果:WA
  • 用时:152ms
  • 内存:14872kb
  • [2024-06-11 19:29:11]
  • 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 = 200'447;
const int K = 10;
VI f[N];
string s[N];
int res[N];
int idxA[N];
int idxB[N];
int val[K][K][2][2];
int h[1 << K][1 << K];
bitset<(1 << K)> bts[1 << K];
bitset<(1 << K)> rbts[1 << K];

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

bool g(bool x, bool y, char c)
{
	if (c == '=')
		return x == y;
	if (c == '&')
		return x && y;
	if (c == '|')
		return x || y;
	return x ^ y;
}

bool eval(int i, int l, int r, bool x, bool y)
{
	//cerr << s[i] << ' ' << l << ' ' << r << '\n';
	bool nt = false;
	VI v;
	string op = "";
	FOR (j, l, r)
	{
		if (s[i][j] == '!')
			nt ^= 1;
		else if (s[i][j] == '(')
		{
			v.PB(eval(i, j + 1, f[i][j], x, y) ^ nt);
			nt = 0;
			j = f[i][j];
		}
		else if (s[i][j] == 'x')
		{
			v.PB(x ^ nt);
			nt = 0;
		}
		else if (s[i][j] == 'y')
		{
			v.PB(y ^ nt);
			nt = 0;
		}
		else if (s[i][j] == '0' || s[i][j] == '1')
		{
			v.PB(s[i][j] - '0');
		}
		else
		{
			//cerr << s[i][j] << '\n';
			assert(s[i][j] == '=' || s[i][j] == '&' || s[i][j] == '|' || s[i][j] == '^');
			op += s[i][j];
		}
	}
	string all = "=&|^";
	FOR (t, 0, 4)
	{
		int last = v[0];
		VI v2;
		string op2 = "";
		FOR (j, 0, SZ(op))
		{
			if (op[j] == all[t])
			{
				last = g(last, v[j + 1], op[j]);
			}
			else
			{
				v2.PB(last);
				op2 += op[j];
				last = v[j + 1];
			}
		}
		v2.PB(last);
		v = v2;
		op = op2;
	}
	//cerr << SZ(v) << ' ' << SZ(op) << '\n';
	assert(SZ(v) == 1);
	return v[0];
} 

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	int n, k;
	cin >> n >> k;
	FOR (i, 0, k) FOR (j, 0, k) FOR (vi, 0, 2) FOR (vj, 0, 2) val[i][j][vi][vj] = n;
	FOR (i, 0, n)
	{
		cin >> idxA[i] >> idxB[i];
		idxA[i]--;
		idxB[i]--;
		cin >> s[i];
		f[i].resize(SZ(s[i]));
		VI st;
		FOR (j, 0, SZ(s[i]))
		{
			if (s[i][j] == '(')
				st.PB(j);
			else if (s[i][j] == ')')
			{
				f[i][st.back()] = j;
				st.pop_back();
			}
		}
		FOR (vi, 0, 2)
		{
			FOR (vj, 0, 2)
			{
				if (eval(i, 0, SZ(s[i]), vi, vj))
					upd(val[idxA[i]][idxB[i]][vi][vj], i);
			}
		}
		cin >> res[i];
	}
	cin >> res[n];
	
	//FOR (i, 0, k) FOR (j, 0, k) FOR (vi, 0, 2) FOR (vj, 0, 2) 
	//	cerr << i << ' ' << j << ' ' << vi << ' ' << vj << ' ' << val[i][j][vi][vj] << '\n';
	
	int a = 0;
	int b = 0;
	int c = 0;
	
	FOR (mask1, 0, 1 << k)
	{
		FOR (mask2, 0, 1 << k)
		{
			int mn = n;
			FOR (i, 0, k)
			{
				FOR (j, 0, k)
				{
					int vi = (mask1 >> i) & 1;
					int vj = (mask2 >> j) & 1;
					upd(mn, val[i][j][vi][vj]);
				}
			}
			h[mask1][mask2] = res[mn];
			//cerr << h[mask1][mask2];
			if (mask1 == mask2 && h[mask1][mask2] == 1)
				a++;
			
			if (h[mask1][mask2])
				bts[mask1][mask2] = rbts[mask2][mask1] = 1;
		}
		//cerr << "\n";
	}
	b = (1 << k) * ((1 << k) - 1) / 2;
	FOR (x, 0, 1 << k)
	{
		FOR (y, 0, 1 << k)
		{
			if (h[x][y] && !h[y][x])
				b--;
		}
	}
	b += 2 * a;
	FOR (x, 0, 1 << k)
	{
		FOR (z, 0, 1 << k)
		{
			if (h[x][z] == 0)
			{
				c += (bts[x] & rbts[z]).count();
			}
		}
	}
	cout << a << ' ' << b << ' ' << c << '\n';
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 4ms
memory: 9916kb

input:

3 2
1 1 (x=0)&(y=1) 1
1 1 (x=1)&(y=(x^x)) 0
2 2 (x=1)|(y=0) 0
1

output:

0 0 0

result:

ok single line: '0 0 0'

Test #2:

score: 0
Accepted
time: 0ms
memory: 9860kb

input:

4 3
2 1 x=0&(y=1) 1
1 2 !x^!!y 0
2 3 ((x|1)=y)&1&1 1
3 1 !x&!x&!x 0
1

output:

3 25 52

result:

ok single line: '3 25 52'

Test #3:

score: -100
Wrong Answer
time: 152ms
memory: 14872kb

input:

1413 3
1 3 0 0
3 3 !x 0
2 2 x=0 1
1 2 !y^0 1
2 3 (x^1) 0
3 2 ((!0)) 1
1 1 !!1=(y) 0
2 2 !(1^x)&y 1
3 2 (y)&1|!!1 0
3 1 !x=(y&y=y) 0
2 1 (((!1)^!x)) 1
2 3 !0=(0&y)=1&y 0
1 2 ((((!0)))|!1) 0
3 1 !(y=!1=x|(!x)) 0
1 1 ((((y=!y)))&!0) 0
2 3 ((y=1)^!1^!!1|0) 1
2 3 1|(!x)&!x|1|(x=1) 1
2 3 !0^!!!!y&0=(!1&!0...

output:

3 19 8

result:

wrong answer 1st lines differ - expected: '4 16 0', found: '3 19 8'