Submission #1062854

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062854		bleahbleah	Koala Game (APIO17_koala)	C++17	9 / 100	119 ms	464 KiB

koala

#include "koala.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(),(x).end()
using namespace std;

using ll = long long;
using ld = long double;

//#define int ll
#define sz(x) ((int)(x).size())

using pii = pair<int,int>;
using tii = tuple<int,int,int>;

namespace Query {
   int B[1001], R[1001];
   vector<int> query(vector<int> a) {
      for(int i = 0; i < sz(a); i++) B[i] = a[i];
      playRound(B, R);
      vector<int> r;
      for(int i = 0; i < sz(a); i++) r.emplace_back(R[i] > B[i]);
      return r;
   }
}

using Query::query;

int minValue(int N, int W) {
   vector<int> a(N);
   a[0] = 1;
   auto b = query(a);
   for(int i = 0; i < N; i++) if(b[i] == 0) return i;
}

int maxValue(int N, int W) {
    // TODO: Implement Subtask 2 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    return 0;
}

int greaterValue(int N, int W) {
   int l = 1, r = min(15, W / 2);
   for(int mid = 1; mid <= 8; mid++) {
      vector<int> t(N, 0);
      t[0] = mid;
      t[1] = mid;
      auto q = query(t);
      if(q[0] + q[1] == 1) {
         return q[0] != 1;
      }
      if(q[0] + q[1] == 2)
         l = mid;
      else r = mid;
   }
   return 1;
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        // TODO: Implement Subtask 4 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

Compilation message (stderr)

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:43:8: warning: variable 'l' set but not used [-Wunused-but-set-variable]
   43 |    int l = 1, r = min(15, W / 2);
      |        ^
koala.cpp:43:15: warning: variable 'r' set but not used [-Wunused-but-set-variable]
   43 |    int l = 1, r = min(15, W / 2);
      |               ^
koala.cpp: In function 'int minValue(int, int)':
koala.cpp:29:19: warning: control reaches end of non-void function [-Wreturn-type]
   29 |    vector<int> a(N);
      |                   ^

• Subtask 1: 4 / 4
• Subtask 2: 0 / 15
• Subtask 3: 5 / 18
• Subtask 4: 0 / 10
• Subtask 5: 0 / 53