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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#451312#8770. Comparatorhenryx#WA 0ms3560kbC++203.5kb2024-06-23 05:25:132024-06-23 05:25:13

Judging History

你现在查看的是最新测评结果

  • [2024-06-23 05:25:13]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3560kb
  • [2024-06-23 05:25:13]
  • 提交

answer

#include <bits/stdc++.h>
const char nl = '\n';
using namespace std;
using ll = long long;
using ld = long double;
const int K = 10;

int f(char op, int x, int y) {
  if (op == '&') return x & y;
  else if (op == '|') return x | y;
  else if (op == '^') return x ^ y;
  else if (op == '=') return x == y;
  assert(0);
  return 0;
}

const map<char, int> pri = {
  {'!', 5},
  {'=', 4},
  {'&', 3},
  {'|', 2},
  {'^', 1}
};

int eval(const string& s, int x, int y) {
  stack<int> exprs, ops;
  auto resolve_op = [&] {
    if (ops.empty() || ops.top() == '(') return;
    if (ops.top() == '!') {
      ops.pop();
      int e = exprs.top(); exprs.pop();
      exprs.push(!e);
    } else {
      char op = ops.top(); ops.pop();
      /*
      if (!ops.empty()) {
        char op2 = ops.top();
        if (pri.at(op2) >= pri.at(op1))
      }*/
      int e1 = exprs.top(); exprs.pop();
      int e2 = exprs.top(); exprs.pop();
      //cerr << e1 << op << e2 << nl;
      exprs.push(f(op, e1, e2));
    }
  };
  //cerr << "parsing " << s << nl;
  for (char c : s) {
    //cerr << c << nl;
    if (c == 'x') {
      exprs.push(x);
      //resolve_op();
    } else if (c == 'y') {
      exprs.push(y);
      //resolve_op();
    } else if (c == '0') {
      exprs.push(0);
      //resolve_op();
    } else if (c == '1') {
      exprs.push(1);
      //resolve_op();
    } else if (c == '(') {
      ops.push('(');
    } else if (c == ')') {
      while (!ops.empty()) {
        if (ops.top() == '(') {
          ops.pop();
          break;
        }
        resolve_op();
      }
    } else {
      while (!ops.empty() && ops.top() != '(' && pri.at(ops.top()) >= pri.at(c)) {
        if (ops.top() == '!' && c == '!') {
          ops.pop();
          continue;
        }
        resolve_op();
      }
      ops.push(c);
    }
  }
  while (!ops.empty()) resolve_op();
  //cerr << exprs.size() << " " << exprs.top() << nl;
  assert(exprs.size() == 1);
  return exprs.top();
}

char vis[K][K][16];
bitset<1 << K> tt[1 << K];

int main() {
  cin.tie(0)->sync_with_stdio(0);
  int n, k; cin >> n >> k;
  vector<tuple<int, int, int, int>> exprs;
  for (int i = 0; i < n; i++) {
    int a, b; string expr; int r; cin >> a >> b >> expr >> r; a--; b--;
    int val = 0;
    for (int x = 0; x < 2; x++) {
      for (int y = 0; y < 2; y++) {
        val |= (eval(expr, x, y) << (2*x+y));
      }
    }
    //cerr << expr << " -> " << bitset<4>(val) << nl;
    if (vis[a][b][val]) continue;
    vis[a][b][val] = 1;
    if (val != 0) {
      exprs.emplace_back(a, b, val, r);
    }
  }
  int fr; cin >> fr;
  for (int x = 0; x < (1 << k); x++) {
    for (int y = 0; y < (1 << k); y++) {
      bool bad = 1;
      for (auto [a, b, val, r] : exprs) {
        int xi = (x >> a) & 1, yi = (y >> b) & 1;
        if ((val >> (2*xi + yi)) & 1) {
          tt[x][y] = r;
          bad = 0;
          break;
        }
      }
      if (bad) tt[x][y] = fr;
    }
  }
  // reflexive
  int ans = 0;
  for (int x = 0; x < (1 << k); x++) {
    if (tt[x][x]) ans++;
  }
  cout << ans << " ";
  ans = 0;
  for (int x = 0; x < (1 << k); x++) {
    for (int y = 0; y < (1 << k); y++) {
      if (tt[x][y] && tt[y][x]) ans++;
    }
  }
  cout << ans << " ";
  ans = 0;
  for (int x = 0; x < (1 << k); x++) {
    auto nx = ~tt[x];
    for (int y = 0; y < (1 << k); y++) {
      if (!tt[x][y]) continue;
      ans += (nx & tt[y]).count();
    }
  }
  cout << ans << nl;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3552kb

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: -100
Wrong Answer
time: 0ms
memory: 3560kb

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:

4 16 52

result:

wrong answer 1st lines differ - expected: '3 25 52', found: '4 16 52'