oj.uz

Submission #708763

# Submission time Handle Problem Language Result Execution time Memory
708763 2023-03-12T09:12:30 Z ntdxl05 Ancient Machine (JOI21_ancient_machine) C++17
30 / 100
 102 ms 11112 KB 
#include <bits/stdc++.h>
#include "Anna.h"
#include <vector>
using namespace std;

namespace {

int variable_example = 0;

}

void Anna(int N, std::vector<char> S) {
const int dc[] = {'X', 'Y', 'Z'};
int idc[256];
  for (int i = 0; i < 3; i++) idc[dc[i]] = i;
  for (int i = 0; i < N; i++) {
    Send(idc[S[i]] >> 1 & 1);
    Send(idc[S[i]] & 1);
  }
}

#include <bits/stdc++.h>
#include "Bruno.h"
#include <vector>

using namespace std;

namespace {

// int variable_example = 0;

const int inf = 1e9;

int FunctionExample(int P) { return 1 - P; }

template<class U, class V>
bool minz(U &a, V b) {
  if (a > b) return a = b, 1;
  return 0;
}
template<class U, class V>
bool maxz(U &a, V b) {
  if (a < b) return a = b, 1;
  return 0;
}

}  // namespace

void Bruno(int N, int L, std::vector<int> A) {
const int dc[] = {'X', 'Y', 'Z'};
int idc[256];
  for (int i = 0; i < L; i++) {
    // variable_example += FunctionExample(A[i]);
  }

  vector<char> S(N);
  for (int i = 0; i < N; i++) S[i] = dc[A[i << 1] << 1 | A[i << 1 | 1]];
  // vector<int> dp(1 << N, -inf), trc(1 << N, -1);
  // dp[0] = 0;
  // for (int msk = 0; msk < (1 << N) - 1; msk++) {
  //   vector<int> b(N);
  //   for (int i = 0; i < N; i++) b[i] = msk >> i & 1;
  //   for (int i = 0; i < N; i++) {
  //     if (b[i]) continue;
  //     int l = i - 1, r = i + 1;
  //     for (; ~l && !b[l]; l--);
  //     for (; r < N && !b[r]; r++);
  //     bool e = ~l && r < N && S[i] == 'Y' && S[l] == 'X' && S[r] == 'Z';
  //     if (maxz(dp[msk | 1 << i], dp[msk] + e)) trc[msk | 1 << i] = i;
  //   }
  // }

  // int cr = (1 << N) - 1;
  // while (cr) {
  //   auto &t = trc[cr];
  //   Remove(t);
  //   cr ^= 1 << t;
  // }

  while (S.size() && S.back() ^ 'Z') {
    Remove(S.size() - 1);
    S.pop_back();
  }
  int p = 0;
  for (; p < S.size() && S[p] ^ 'X'; p++) Remove(p);
  if ((int)S.size() - p < 3) {
    for (int i = p; i < S.size(); i++) Remove(i);
    return ;
  }
  // cerr << N << "\n"; cerr << p << " "; for (auto c: S) cout << c; cout << "\n";
  vector<int> vv;
  for (int i = p; i < S.size(); i++) {
    if (!vv.size() || ((S[vv.back()] != 'Y') ^ (S[i] != 'Y'))) vv.push_back(i);
    else if (i < S.size() - 1) Remove(i);
  }
  if (vv.back() < S.size() - 1) {
    Remove(vv.back());
    vv.back() = S.size() - 1;
  }
  // for (auto v: vv) cerr << v << " "; cerr << "\n";
  // return ;

  vector<int> Lf(N, -1), Rt(N, N), used(N);
  set<int> st;
  for (int i = 0; i < vv.size(); i++) {
    if (!(S[vv[i]] ^ 'Y') && !(S[vv[i - 1]] ^ 'X') && !(S[vv[i + 1]] ^ 'Z')) st.insert(vv[i]);
    if (i) Lf[vv[i]] = vv[i - 1];
    if (i < vv.size() - 1) Rt[vv[i]] = vv[i + 1];
  }
  while (st.size()) {
    int u = *begin(st); st.erase(begin(st));
    Remove(u); used[u] = 1;
    // cerr << u << "\n";
    int v = Rt[Rt[u]];
    if (v < N) {
      Remove(Rt[u]); used[Rt[u]] = 1;
      // cerr << "R " << Rt[u] << "\n";
      Lf[v] = Lf[u];
      Rt[Lf[u]] = v;
      if (!(S[Rt[v]] ^ 'Z')) st.insert(v);
    }
    else {
      Remove(Lf[u]); used[Lf[u]] = 1;
      // cerr << "L " << Lf[u] << "\n";
      v = Lf[Lf[u]];
      if (~v) {
        Rt[v] = Rt[u];
        Lf[Rt[u]] = v;
        if (!(S[Lf[v]] ^ 'X')) st.insert(v);
      }
    }
  }

  for (auto v: vv) {
    if (!used[v]) {
      // cerr << "O " << v << "\n";
      Remove(v);
    }
  }
}

Compilation message

Anna.cpp: In function 'void Anna(int, std::vector<char>)':
Anna.cpp:17:18: warning: array subscript has type 'char' [-Wchar-subscripts]
   17 |     Send(idc[S[i]] >> 1 & 1);
      |                  ^
Anna.cpp:18:18: warning: array subscript has type 'char' [-Wchar-subscripts]
   18 |     Send(idc[S[i]] & 1);
      |                  ^
Anna.cpp: At global scope:
Anna.cpp:8:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    8 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

Bruno.cpp: In function 'void Bruno(int, int, std::vector<int>)':
Bruno.cpp:64:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |   for (; p < S.size() && S[p] ^ 'X'; p++) Remove(p);
      |          ~~^~~~~~~~~~
Bruno.cpp:66:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |     for (int i = p; i < S.size(); i++) Remove(i);
      |                     ~~^~~~~~~~~~
Bruno.cpp:71:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |   for (int i = p; i < S.size(); i++) {
      |                   ~~^~~~~~~~~~
Bruno.cpp:73:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |     else if (i < S.size() - 1) Remove(i);
      |              ~~^~~~~~~~~~~~~~
Bruno.cpp:75:17: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |   if (vv.back() < S.size() - 1) {
      |       ~~~~~~~~~~^~~~~~~~~~~~~~
Bruno.cpp:84:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |   for (int i = 0; i < vv.size(); i++) {
      |                   ~~^~~~~~~~~~~
Bruno.cpp:87:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |     if (i < vv.size() - 1) Rt[vv[i]] = vv[i + 1];
      |         ~~^~~~~~~~~~~~~~~
Bruno.cpp:30:5: warning: unused variable 'idc' [-Wunused-variable]
   30 | int idc[256];
      |     ^~~
Bruno.cpp: At global scope:
Bruno.cpp:13:5: warning: 'int {anonymous}::FunctionExample(int)' defined but not used [-Wunused-function]
   13 | int FunctionExample(int P) { return 1 - P; }
      |     ^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 508 KB Output is correct
2 Correct 0 ms 508 KB Output is correct
3 Correct 1 ms 508 KB Output is correct
4 Correct 0 ms 516 KB Output is correct
5 Correct 0 ms 508 KB Output is correct
6 Correct 0 ms 508 KB Output is correct
7 Correct 0 ms 512 KB Output is correct
8 Correct 0 ms 516 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 0 ms 516 KB Output is correct
11 Correct 1 ms 520 KB Output is correct

Subtask #2
25.0 / 95.0

# Verdict Execution time Memory Grader output
1 Partially correct 73 ms 10524 KB Partially correct
2 Partially correct 77 ms 10556 KB Partially correct
3 Partially correct 102 ms 10568 KB Partially correct
4 Partially correct 74 ms 10428 KB Partially correct
5 Partially correct 72 ms 10532 KB Partially correct
6 Partially correct 71 ms 10500 KB Partially correct
7 Partially correct 76 ms 10596 KB Partially correct
8 Partially correct 71 ms 10604 KB Partially correct
9 Partially correct 74 ms 10576 KB Partially correct
10 Partially correct 89 ms 10500 KB Partially correct
11 Partially correct 86 ms 10596 KB Partially correct
12 Partially correct 74 ms 10420 KB Partially correct
13 Partially correct 77 ms 10664 KB Partially correct
14 Partially correct 76 ms 10668 KB Partially correct
15 Partially correct 66 ms 10536 KB Partially correct
16 Partially correct 67 ms 10516 KB Partially correct
17 Partially correct 87 ms 9176 KB Partially correct
18 Partially correct 81 ms 9120 KB Partially correct
19 Partially correct 75 ms 9200 KB Partially correct
20 Partially correct 70 ms 11112 KB Partially correct
21 Partially correct 67 ms 11072 KB Partially correct
22 Partially correct 75 ms 10784 KB Partially correct
23 Partially correct 71 ms 10960 KB Partially correct
24 Partially correct 94 ms 10968 KB Partially correct
25 Partially correct 76 ms 9580 KB Partially correct
26 Partially correct 78 ms 9556 KB Partially correct
27 Partially correct 98 ms 9504 KB Partially correct
28 Partially correct 80 ms 9592 KB Partially correct
29 Partially correct 73 ms 9600 KB Partially correct
30 Partially correct 75 ms 9608 KB Partially correct
31 Partially correct 84 ms 9552 KB Partially correct
32 Partially correct 74 ms 10968 KB Partially correct
33 Partially correct 73 ms 10948 KB Partially correct