#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
bool res[105][105];
int qry(int a, int b, int c, int d) {
cout << a << " " << b << " " << c << " " << d << endl;
int x; cin >> x;
return x;
}
void rec(int a, int b, int c, int d, int cnt) {
if (tie(a, b) == tie(c, d)) {
res[a][b] = 1;
return;
}
if (rng() % 2 && a != c) {
int m = (a + c) / 2;
int x = qry(a, b, m, d);
if (x) {
rec(a, b, m, d, x);
}
if (x < cnt) {
rec(m + 1, b, c, d, cnt - x);
}
} else {
int m = (b + d) / 2;
int x = qry(a, b, c, m);
if (x) {
rec(a, b, c, m, x);
}
if (x < cnt) {
rec(a, m + 1, c, d, cnt - x);
}
}
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
int n; cin >> n;
for (int i = 1; i <= n; ++i) {
fill(res[i] + 1, res[i] + n + 1, 0);
}
rec(1, 1, n, n, qry(1, 1, n, n));
cout << "END" << endl;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= n; ++j) {
cout << res[i][j];
}
cout << endl;
}
return 0;
}
Compilation message
/usr/bin/ld: /tmp/ccO8po3l.o: in function `main':
treasure.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccuMEoJn.o:grader.c:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccuMEoJn.o: in function `main':
grader.c:(.text.startup+0x103): undefined reference to `findTreasure(int)'
collect2: error: ld returned 1 exit status
