#include <iostream>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <stdio.h>
#include "treasure.h"
#include <assert.h>
#include <string.h>
using namespace __gnu_pbds;
#include <stdio.h>
#include <algorithm>
#include <math.h>
#include <random>
#include <string>
#include <cstring>
#include <set>
#include <map>
#include <time.h>
using namespace std;
typedef tree <int, null_type, less <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
#define max3(a, b, c) max(a, max(b, c))
#define min3(a, b, c) min(a, min(b, c))
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define ppb pop_back
#define ll long long
#define ull unsigned long long
#define cntbit(x) __builtin_popcount(x)
#define endl '\n'
#define uset unordered_set
#define umap unordered_map
#define pii pair<int, int>
#define ld long double
#define pll pair<long long, long long>
bool a[105][105];
bool check(int x1, int y1, int x2, int y2, int now, int need) {
if(now == need) {
for(int i = x1; i <= x2; ++i)
for(int j = y1; j <= y2; ++j)
a[i][j] = 1;
return true;
}
return false;
}
int rec(int x1, int y1, int x2, int y2) {
if(x1 > x2 || y1 > y2)
return 0;
int now = countTreasure(x1, y1, x2, y2);
if(!now)
return 0;
int tot = (x2 - x1 + 1) * (y2 - y1 + 1);
if(now == (x2 - x1 + 1) * (y2 - y1 + 1)) {
for(int i = x1; i <= x2; ++i)
for(int j = y1; j <= y2; ++j)
a[i][j] = 1;
return now;
}
int sum = 0, midx = x1 + x2 >> 1, midy = y1 + y2 >> 1;
sum += rec(x1, y1, midx, midy);
int cur = (midx - x1 + 1) * (midy - y1 + 1);
bool a = check(midx + 1, y1, x2, midy, now - sum, tot - cur);
bool b = check(midx + 1, midy + 1, x2, y2, now - sum, tot - cur);
bool c = check(x1, midy + 1, midx, y2, now - sum, tot - cur);
if((a && b && c) || sum == now)
return now;
sum += rec(midx + 1, y1, x2, midy);
cur += (midy - y1 + 1) * (x2 - midx);
if((b && c) || sum == now)
return now;
sum += rec(midx + 1, midy + 1, x2, y2);
cur += (x2 - midx) * (y2 - midy);
if(c || sum == now)
return now;
sum += rec(x1, midy + 1, midx, y2);
return now;
}
void findTreasure (int N) {
rec(1, 1, N, N);
for(int i = 1; i <= N; ++i)
for(int j = 1; j <= N; ++j)
if(a[i][j])
Report(i, j);
}
