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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#353671#7857. (-1,1)-Sumpleteucup-team3215WA 1ms3580kbC++202.6kb2024-03-14 14:46:122024-03-14 14:46:12

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你现在查看的是最新测评结果

  • [2024-03-14 14:46:12]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3580kb
  • [2024-03-14 14:46:12]
  • 提交

answer

#include <algorithm>
#include <array>
#include <bitset>
#include <iostream>
#include <limits>
#include <vector>

using namespace std;

constexpr int N = 4032;

bitset<N> edge[2][N], ans[N], used[2], neg[2], u[N], dr, dc;
int rt[N], ct[N], br[N][2], bc[N][2], n;

template <bool col>
bool match(int i) {
  for (int j = -1; (j = (edge[col][i] & neg[!col])._Find_next(j), j < N); ) {
    edge[col][i][j] = 0;
    edge[!col][j][i] = 1;
    if (col) {
      ans[j][i] = !ans[j][i];
      neg[0][j] = ++rt[j] < 0;
    } else {
      ans[i][j] = !ans[i][j];
      neg[1][j] = ++ct[j] < 0;
    }
    return 1;
  }
  used[col][i] = 0;
  for (int j = -1; (j = (edge[col][i] & used[!col])._Find_next(j), j < N); ) {
    if (!match<!col>(j)) continue;
    edge[col][i][j] = 0;
    edge[!col][j][i] = 1;
    if (col) ans[j][i] = !ans[j][i];
    else ans[i][j] = !ans[i][j];
    return 1;
  }
  return 0;
}

int main() {
  cin.tie(0)->sync_with_stdio(0);
  cin >> n;
  for (int i = 0; i < n; ++i) if (string s; cin >> s)
  for (int j = 0; j < n; ++j) edge[1][j][i] = !(edge[0][i][j] = s[j] == '+'), br[i][1] += s[j] == '+', br[i][0] -= s[j] == '-', bc[j][1] += s[j] == '+', bc[j][0] -= s[j] == '-';
  for (int i = 0; i < n; ++i) cin >> rt[i];
  for (int i = 0; i < n; ++i) cin >> ct[i];
  auto mark = [&](int i, int j, bool w) {
    if (u[i][j]) return;
    u[i][j] = 1;
    if (edge[0][i][j] == w) ans[i][j] = 1;
    br[i][1] -= edge[0][i][j], br[i][0] += !edge[0][i][j];
    bc[j][1] -= edge[0][i][j], bc[j][0] += !edge[0][i][j];
    if (edge[0][i][j] == w) rt[i] -= 2 * edge[0][i][j] - 1, ct[j] -= 2 * edge[0][i][j] - 1;
    edge[0][i][j] = edge[1][j][i] = 0;
  };
  for (int ch = 1; ch--; ) {
    for (int i = 0; i < n; ++i) if (!dr[i] && (rt[i] >= br[i][1] || rt[i] <= br[i][0])) if (dr[i] = ch = 1)
    for (int j = 0; j < n; ++j) mark(i, j, rt[i] >= br[i][1]);
    for (int i = 0; i < n; ++i) if (!dc[i] && (ct[i] >= bc[i][1] || ct[i] <= bc[i][0])) if (dc[i] = ch = 1)
    for (int j = 0; j < n; ++j) mark(j, i, ct[i] >= bc[i][1]);
  }
  for (int i = 0; i < n; ++i) ct[i] = -ct[i], neg[0][i] = rt[i] < 0, neg[1][i] = ct[i] < 0;
  for (int ch = 1; ch--; ) {
    for (int i = 0; i < n; ++i) while (rt[i] > 0 && used[0][i] && match<0>(i)) --rt[i], ch = 1;
    for (int j = 0; j < n; ++j) while (ct[j] > 0 && used[1][j] && match<1>(j)) --ct[j], ch = 1;
    used[0].set();
    used[1].set();
  }
  for (int i = 0; i < n; ++i) if (rt[i] || ct[i]) return cout << "No\n", 0;
  cout << "Yes\n";
  for (int i = 0; i < n; ++i, cout << '\n')
  for (int j = 0; j < n; ++j) cout.put('0' + ans[i][j]);
}

Details

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Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 3580kb

input:

3
+-+
-++
+-+
1 1 1
1 -1 3

output:

No

result:

wrong answer Jury has the answer but participant has not