제출 #1241302

#제출 시각아이디문제언어결과실행 시간메모리
1241302rxlfd314스핑크스 (IOI24_sphinx)C++20
47.50 / 100
32 ms656 KiB
#include "sphinx.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ari2 = array<int, 2>;
using ari3 = array<int, 3>;
using arl2 = array<ll, 2>;
using arl3 = array<ll, 3>;
template <class T> using vt = vector<T>;
#define all(x) begin(x), end(x)
#define size(x) (int((x).size()))
#define REP(a,b,c,d) for(int a=(b);(d)>0?a<=(c):a>=(c);a+=(d))
#define FOR(a,b,c) REP(a,b,c,1)
#define ROF(a,b,c) REP(a,b,c,-1)

int query(const vt<int> &E) {
  return perform_experiment(E);
}

vt<int> find_colours(int N, vt<int> X, vt<int> Y) {
  const int M = size(X);
  vt<int> ret(N);
  if (N <= 50) {
    FOR(i, 0, N-1)
      FOR(c, 0, N-1) {
        vt<int> E(N, c);
        E[i] = -1;
        if (query(E) == 1) {
          ret[i] = c;
          break;
        }
      }
    return ret;
  }
  if (M == N * (N-1) / 2) {
    FOR(i, 0, N-1) {
      int lo = 0, hi = N-1;
      while (lo < hi) {
        const int mid = lo + hi >> 1;
        vt<int> E(N);
        E[i] = -1;
        int cur = 0;
        FOR(j, 0, N-1)
          if (j != i)
            E[j] = min(cur++, mid);
        if (query(E) > mid + 1)
          lo = mid + 1;
        else
          hi = mid;
      }
      ret[i] = lo;
    }
    return ret;
  }
  const int O = query(vt<int>(N, -1));
  int L = 0;
  vt<int> dif(N);
  FOR(i, 1, N-1) {
    vt<int> E(N, -1);
    FOR(j, L, i-1)
      E[j] = N;
    if (query(E) == O)
      L = i, dif[i] = 1;
    dif[i] += dif[i-1];
  }
  return dif;
}
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