# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
100390 | Anai | Treasure (different grader from official contest) (CEOI13_treasure2) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const int N = 105;
char mx[N][N];
static int ask(int l1, int c1, int l2, int c2) {
int x;
cout << l1 << ' ' << c1 << ' ' << l2 << ' ' << c2 << endl;
cin >> x;
return x; }
static void divide(int l1, int c1, int l2, int c2, int count) {
if (count == (l2 - l1 + 1) * (c2 - c1 + 1)) {
for (int i = l1; i <= l2; ++i)
for (int j = c1; j <= c2; ++j)
mx[i][j] = '1';
return; }
if (count == 0)
return;
if (l2 - l1 >= c2 - c1) {
int mid = (l1 + l2) / 2;
int half = ask(l1, c1, mid, c2);
divide(l1, c1, mid, c2, half);
divide(mid + 1, c1, l2, c2, count - half); }
else {
int mid = (c1 + c2) / 2;
int half = ask(l1, c1, l2, mid);
divide(l1, c1, l2, mid, half);
divide(l1, mid + 1, l2, c2, count - half); } }
int n;
int main() {
cin >> n;
for (int i = 1; i <= n; ++i)
for (int j = 1; j <= n; ++j)
mx[i][j] = '0';
divide(1, 1, n, n, ask(1, 1, n, n));
cout << "END" << endl;
for (int i = 1; i <= n; ++i)
cout << (mx[i] + 1) << endl;
return 0; }