#include <bits/stdc++.h>
#include "koala.h"
using namespace std;
int B[1000];
int R[1000];
int minValue(int N, int W) {
fill(B, B + N, 0);
B[0] = 1;
playRound(B, R);
if (R[0] < 2) return 0;
else
for (int i = 1; i < N; i++)
if (!R[i]) return i;
}
int maxValue(int N, int W) {
vector<int> v;
for (int i = 0; i < N; i++) v.push_back(i);
while (v.size() != 1) {
int k = W / v.size();
fill(B, B + N, 0);
for (int i : v) B[i] = k;
playRound(B, R);
v.clear();
for (int i = 0; i < N; i++)
if (R[i] > k) v.push_back(i);
}
return v[0];
}
int greaterValue(int N, int W) {
int l = 1, r = 9;
while (l != r) {
int mid = (l + r) / 2;
B[0] = B[1] = mid;
playRound(B, R);
if (R[0] > mid && R[1] > mid) l = mid + 1;
else if (R[0] <= mid && R[1] <= mid) r = mid - 1;
else return (R[0] < R[1]);
}
B[0] = B[1] = l;
playRound(B, R);
return (R[0] < R[1]);
}
inline bool compare(int a, int b, int N, int W) {
fill(B, B + N, 0);
B[a] = B[b] = W;
playRound(B, R);
return (R[b] > W);
}
vector<int> mergesort(vector<int> v, int N, int W) {
if (v.size() == 1) return v;
vector<int> a, b;
a.insert(a.begin(), v.begin(), v.begin() + (v.size() + 1) / 2);
b.insert(b.begin(), v.begin() + (v.size() + 1) / 2, v.end());
a = mergesort(a, N, W), b = mergesort(b, N, W);
vector<int> sorted;
int aptr = 0, bptr = 0;
while (aptr < a.size() && bptr < b.size()) {
if (compare(a[aptr], b[bptr], N, W)) sorted.push_back(a[aptr++]);
else sorted.push_back(b[bptr++]);
}
sorted.insert(sorted.end(), a.begin() + aptr, a.end());
sorted.insert(sorted.end(), b.begin() + bptr, b.end());
return sorted;
}
void split(vector<int> v, int N, int W, int *P, int l = 1, int r = 100) {
if (l == r) P[v[0]] = l;
else {
int x = min((int)sqrt(3*l), W / (r - l + 1));
fill(B, B + N, 0);
for (int i : v) B[i] = x;
playRound(B, R);
vector<int> less, greater;
for (int i : v)
if (R[i] > x) greater.push_back(i);
else less.push_back(i);
split(less, N, W, P, l, l + less.size() - 1);
split(greater, N, W, P, r - greater.size() + 1, r);
}
}
void allValues(int N, int W, int *P) {
if (W == N) {
vector<int> v;
for (int i = 0; i < N; i++) v.push_back(i);
split(v, N, W, P);
}
if (W == 2 * N) {
vector<int> v;
for (int i = 0; i < N; i++) v.push_back(i);
vector<int> sorted = mergesort(v, N, W / 2);
for (int i = 0; i < N; i++) P[sorted[i]] = i + 1;
}
}
