#include <bits/stdc++.h>
#include "treasure.h"
using namespace std;
int query(int r1, int c1, int r2, int c2) {
return countTreasure(r1, c1, r2, c2);
}
const int maxn = 110;
bool mat[maxn][maxn];
void f(int x1, int y1, int x2, int y2, int total) {
if (x1 > x2 || y1 > y2) return;
if (total == 0) return;
if (total == (x2 - x1 + 1) * (y2 - y1 + 1)) {
for (int r = x1; r <= x2; ++r) {
for (int c = y1; c <= y2; ++c) {
mat[r][c] = 1;
}
}
return;
}
int mid1 = (x1 + x2) / 2;
int mid2 = (y1 + y2) / 2;
int t11 = query(x1, y1, mid1, mid2);
int t12 = query(x1, y1, x2, mid2) - t11;
int t21 = query(x1, y1, mid1, y2) - t11;
f(x1, y1, mid1, mid2, t11);
f(mid1+1, y1, x2, mid2, t12);
f(x1, mid2+1, mid1, y2, t21);
f(mid1+1, mid2+1, x2, y2, total - t11 - t12 - t21);
}
void findTreasure(int n) {
int total = query(1, 1, n, n);
f(1, 1, n, n, total);
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= n; ++j) {
if (mat[i][j]) report(i, j);
}
}
}
Compilation message
treasure.cpp: In function 'void findTreasure(int)':
treasure.cpp:38:28: error: 'report' was not declared in this scope; did you mean 'Report'?
38 | if (mat[i][j]) report(i, j);
| ^~~~~~
| Report
