#include "treasure.h"
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
vvi mat;
void calc(int l1, int l2, int r1, int r2, int x)
{
if (x == 0)return;
if (x == (l2 - l1 + 1) * (r2 - r1 + 1))
{
for (int i = l1 - 1; i <= l2 - 1; i++) for (int j = r1 - 1; j <= r2 - 1; j++) mat[i][j] = 1;
return;
}
if (l1 == l2)
{
if (r1 == r2)
{
mat[l1 - 1][r1 - 1] = x;
return;
}
int a, b;
int m = (r1 + r2) / 2;
//cout << l1 << " " << r1 << " " << l1 << " " << m << endl;
//cin >> a;
a = countTreasure(l1, r1, l1, m);
b = x - a;
if (r1 + 1 == r2)
{
mat[l1 - 1][r1 - 1] = a;
mat[l1 - 1][r2 - 1] = b;
return;
}
calc(l1, l2, r1, m, a); calc(l1, l2, m + 1, r2, b);
return;
}
if (r1 == r2)
{
if (l1 == l2)
{
mat[l1 - 1][r1 - 1] = x;
return;
}
int a, b;
int m = (l1 + l2) / 2;
//cout << l1 << " " << r1 << " " << m << " " << r1 << endl;
//cin >> a;
a = countTreasure(l1, r1, m, r1); b = x - a;
if (l1 + 1 == l2)
{
mat[l1 - 1][r1 - 1] = a;
mat[l2 - 1][r1 - 1] = b;
return;
}
calc(l1, m, r1, r2, a); calc(m + 1, l2, r1, r2, b);
return;
}
int ab, dc, ad, bc;
int ms = (l1 + l2) / 2, mu = (r1 + r2) / 2;
//cout << l1 << " " << r1 << " " << ms << " " << r2 << endl;
//cin >> ab;
ab = countTreasure(l1, r1, ms, r2); dc = x - ab;
//cout << l1 << " " << r1 << " " << l2 << " " << mu << endl;
//cin >> ad;
ad = countTreasure(l1, r1, l2, mu); bc = x - ad;
int a, b, c, d;
//cout << l1 << " " << r1 << " " << ms << " " << mu << endl;
//cin >> a;
a = countTreasure(l1, r2, ms, mu);
d = ad - a;
b = ab - a;
c = bc - b;
if (l1 + 1 == l2 && r1 + 1 == r2)
{
mat[l1 - 1][r1 - 1] = a;
mat[l1 - 1][r2 - 1] = d;
mat[l2 - 1][r1 - 1] = b;
mat[l2 - 1][r2 - 1] = c;
return;
}
calc(l1, ms, r1, mu, a);
calc(ms + 1, l2, r1, mu, d);
calc(l1, ms, mu + 1, r2, b);
calc(ms + 1, l2, mu + 1, r2, c);
}
void findTreasure (int N) {
//int cnt = countTreasure(1, 1, N, N);
//if(cnt > 0) Report (1, 1);
mat.resize(n, vi(n, 0));
//cout << 1 << " " << 1 << " " << n << " " << n << endl;
int a = countTreasure(1, 1, n, n);
calc(1, n, 1, n, a);
//cout << "END" << endl;
for (int i = 0; i < n; i++) {
//for (int j = 0; j < n; j++) cout << mat[i][j];
//cout << endl;
if (mat[i][j] == 1) Report(i+1, j+1);
}
}
Compilation message
treasure.cpp: In function 'void calc(int, int, int, int, int)':
treasure.cpp:62:13: warning: variable 'dc' set but not used [-Wunused-but-set-variable]
62 | int ab, dc, ad, bc;
| ^~
treasure.cpp: In function 'void findTreasure(int)':
treasure.cpp:94:16: error: 'n' was not declared in this scope
94 | mat.resize(n, vi(n, 0));
| ^
treasure.cpp:102:20: error: 'j' was not declared in this scope
102 | if (mat[i][j] == 1) Report(i+1, j+1);
| ^
