oj.uz

Submission #856683

# Submission time Handle Problem Language Result Execution time Memory
856683 2023-10-04T09:53:08 Z pomuchle Mechanical Doll (IOI18_doll) C++17
37 / 100
 71 ms 9680 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) {
    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);
    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());
    answer(C, X, Y);
}

Subtask #1
0 / 2.0

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

Subtask #2
0 / 4.0

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

Subtask #3
0 / 10.0

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

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 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 344 KB Output is partially correct
2 Partially correct 63 ms 9128 KB Output is partially correct
3 Partially correct 59 ms 9036 KB Output is partially correct
4 Partially correct 67 ms 9284 KB Output is partially correct

Subtask #6
28.0 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB Output is partially correct
2 Partially correct 63 ms 9128 KB Output is partially correct
3 Partially correct 59 ms 9036 KB Output is partially correct
4 Partially correct 67 ms 9284 KB Output is partially correct
5 Partially correct 69 ms 9680 KB Output is partially correct
6 Partially correct 71 ms 9540 KB Output is partially correct
7 Partially correct 67 ms 9540 KB Output is partially correct
8 Partially correct 67 ms 9548 KB Output is partially correct
9 Partially correct 58 ms 9036 KB Output is partially correct
10 Partially correct 67 ms 9432 KB Output is partially correct
11 Partially correct 64 ms 9292 KB Output is partially correct
12 Partially correct 60 ms 9036 KB Output is partially correct
13 Partially correct 61 ms 9160 KB Output is partially correct
14 Partially correct 63 ms 9304 KB Output is partially correct
15 Partially correct 62 ms 9300 KB Output is partially correct
16 Partially correct 2 ms 604 KB Output is partially correct
17 Correct 33 ms 5896 KB Output is correct
18 Partially correct 59 ms 9044 KB Output is partially correct
19 Partially correct 65 ms 9036 KB Output is partially correct
20 Partially correct 65 ms 9284 KB Output is partially correct
21 Partially correct 64 ms 9284 KB Output is partially correct
22 Partially correct 63 ms 9280 KB Output is partially correct