oj.uz

Submission #856690

# Submission time Handle Problem Language Result Execution time Memory
856690 2023-10-04T10:18:47 Z pomuchle Mechanical Doll (IOI18_doll) C++17
37 / 100
 99 ms 9796 KB 
#include "doll.h"

#ifdef LOCAL
//#ifdef AMOGUS
#include <cstdio>
#include <cstdlib>
namespace {

constexpr int P_MAX = 20000000;
constexpr int S_MAX = 400000;

int M, N;
std::vector<int> A;

bool answered;
int S;
std::vector<int> IC, IX, IY;

int read_int() {
  int x;
  if (scanf("%d", &x) != 1) {
    fprintf(stderr, "Error while reading input\n");
    exit(1);
  }
  return x;
}

void wrong_answer(const char *MSG) {
  printf("Wrong Answer: %s\n", MSG);
  exit(0);
}

void simulate() {
  if (S > S_MAX) {
    char str[50];
    sprintf(str, "over %d switches", S_MAX);
    wrong_answer(str);
  }
  for (int i = 0; i <= M; ++i) {
    if (!(-S <= IC[i] && IC[i] <= M)) {
      wrong_answer("wrong serial number");
    }
  }
  for (int j = 1; j <= S; ++j) {
    if (!(-S <= IX[j - 1] && IX[j - 1] <= M)) {
      wrong_answer("wrong serial number");
    }
    if (!(-S <= IY[j - 1] && IY[j - 1] <= M)) {
      wrong_answer("wrong serial number");
    }
  }

  int P = 0;
  std::vector<bool> state(S + 1, false);
  int pos = IC[0];
  int k = 0;
  FILE *file_log = fopen("log.txt", "w");
  fprintf(file_log, "0\n");
  for (;;) {
    fprintf(file_log, "%d\n", pos);
    if (pos < 0) {
      if (++P > P_MAX) {
        fclose(file_log);
        char str[50];
        sprintf(str, "over %d inversions", P_MAX);
        wrong_answer(str);
      }
      state[-pos] = !state[-pos];
      pos = state[-pos] ? IX[-(1 + pos)] : IY[-(1 + pos)];
    } else {
      if (pos == 0) {
        break;
      }
      if (k >= N) {
        fclose(file_log);
        wrong_answer("wrong motion");
      }
      if (pos != A[k++]) {
        fclose(file_log);
        wrong_answer("wrong motion");
      }
      pos = IC[pos];
    }
  }
  fclose(file_log);
  if (k != N) {
    wrong_answer("wrong motion");
  }
  for (int j = 1; j <= S; ++j) {
    if (state[j]) {
      wrong_answer("state 'Y'");
    }
  }
  printf("Accepted: %d %d\n", S, P);
}

}  // namespace

void answer(std::vector<int> C, std::vector<int> X, std::vector<int> Y) {
  if (answered) {
    wrong_answer("answered not exactly once");
  }
  answered = true;
  // check if input format is correct
  if ((int)C.size() != M + 1) {
    wrong_answer("wrong array length");
  }
  if (X.size() != Y.size()) {
    wrong_answer("wrong array length");
  }
  S = int(X.size());
  IC = C;
  IX = X;
  IY = Y;
}

int main() {
  M = read_int();
  N = read_int();
  A.resize(N);
  for (int k = 0; k < N; ++k) {
    A[k] = read_int();
  }

  answered = false;
  create_circuit(M, A);
  if (!answered) {
    wrong_answer("answered not exactly once");
  }
  FILE *file_out = fopen("out.txt", "w");
  fprintf(file_out, "%d\n", S);
  for (int i = 0; i <= M; ++i) {
    fprintf(file_out, "%d\n", IC[i]);
  }
  for (int j = 1; j <= S; ++j) {
    fprintf(file_out, "%d %d\n", IX[j - 1], IY[j - 1]);
  }
  fclose(file_out);
  simulate();
  return 0;
}
#endif

#include <ios>
#include <vector>
#include <cassert>
#define REP(i, n) for(int i=0; i<(n); ++i)
#define FOR(i, p, n) for(int i=(p); i<=(n); ++i)
#define RFOR(i, p, n) for(int i=(p); i>=(n); --i)
#define V std::vector
#define F std::function
#define sz(A) int(A.size())
#define all(A) A.begin(), A.end()
typedef long long ll;
typedef V <int> vi;
typedef V <ll> vll;
typedef V <bool> vb;

void create_circuit(int M, vi A) {
    int on=sz(A);
    while (sz(A)&(sz(A)+1))
        A.emplace_back(-1);
    A.emplace_back(0);
    int n = sz(A),comp;
    for (comp=1; comp<n; comp<<=1);
    assert(comp==n);
    int s=comp-1;
    vi X(s+1, -1),Y(s+1, -1);
    comp>>=1,--comp;
    FOR(i, 1, comp)
        X[i]=i<<1,Y[i]=(i<<1)+1;
    vi ile(s+1, 0);
    for (int i : A){
        int a=1;
        while (a<=comp){
            int b=(a<<1)+(ile[a]&1);
            ++ile[a];
            a=b;
        }
        assert(ile[a]<2);
        if (ile[a]&1)
            Y[a]=i;
        else
            X[a]=i;
        ile[a]^=1;
    }
    FOR(i, 1, s)
        assert(!(ile[i]&1));
    vi C(M+1, -1); // jeszcze 0
    FOR(i, 1, comp)
        X[i]*=-1,Y[i]*=-1;
    X.erase(X.begin()),Y.erase(Y.begin());
    assert(sz(X)<=2*on);
    answer(C, X, Y);
}

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
9.0 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Output is partially correct
2 Partially correct 68 ms 9156 KB Output is partially correct
3 Partially correct 93 ms 9040 KB Output is partially correct
4 Partially correct 63 ms 9280 KB Output is partially correct

Subtask #6
28.0 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Output is partially correct
2 Partially correct 68 ms 9156 KB Output is partially correct
3 Partially correct 93 ms 9040 KB Output is partially correct
4 Partially correct 63 ms 9280 KB Output is partially correct
5 Partially correct 76 ms 9796 KB Output is partially correct
6 Partially correct 78 ms 9668 KB Output is partially correct
7 Partially correct 79 ms 9540 KB Output is partially correct
8 Partially correct 71 ms 9428 KB Output is partially correct
9 Partially correct 71 ms 9144 KB Output is partially correct
10 Partially correct 84 ms 9412 KB Output is partially correct
11 Partially correct 99 ms 9384 KB Output is partially correct
12 Partially correct 69 ms 9148 KB Output is partially correct
13 Partially correct 67 ms 9152 KB Output is partially correct
14 Partially correct 66 ms 9156 KB Output is partially correct
15 Partially correct 97 ms 9420 KB Output is partially correct
16 Partially correct 3 ms 604 KB Output is partially correct
17 Correct 43 ms 5832 KB Output is correct
18 Partially correct 71 ms 9048 KB Output is partially correct
19 Partially correct 61 ms 9156 KB Output is partially correct
20 Partially correct 67 ms 9280 KB Output is partially correct
21 Partially correct 67 ms 9280 KB Output is partially correct
22 Partially correct 70 ms 9432 KB Output is partially correct