#include <bits/stdc++.h>
using namespace std;
#define sz(v) int(v.size())
#define ar array
typedef long long ll;
const int N = 50, MOD = 1e9+7;
const ll INF = 1e18+10;
void solve() {
int n; cin >> n;
vector<int> row_ord(n), col_ord(n);
iota(row_ord.begin(), row_ord.end(), 0);
iota(col_ord.begin(), col_ord.end(), 0);
random_shuffle(row_ord.begin(), row_ord.end());
random_shuffle(col_ord.begin(), col_ord.end());
auto pr = [&](vector<pair<int, int>> v) {
vector<string> g(n, string(n, '0'));
for (auto [i, j] : v) g[i][j] = '1';
for (auto& r : g) cout << r << '\n';
cout.flush();
};
int si = row_ord[0], sj = col_ord[0];
bool h_top = true;
auto get_type = [&](int i, int j, bool b) { // b is true if I know the type of si sj already
if (b) {
cout << "?\n";
pr({make_pair(i, j), make_pair(si, sj)});
int cnt; cin >> cnt;
return bool(h_top ^ (cnt % 2));
}
// query all of first row
// if n^2: return
// otherwise: there must be at least one H
// count V (n + v * (n - 1))
auto cnt_v = [&](int ci, int cj) {
vector<pair<int, int>> v;
for (int k = 0; k < n; k++) if (k != cj)
v.emplace_back(ci, k);
cout << "?\n";
pr(v);
int cnt; cin >> cnt;
if (cnt == n * sz(v)) // all V
return sz(v);
int cur_v = (cnt - n) / (n - 1);
assert(n + cur_v * (n - 1) == cnt);
return cur_v;
};
return !bool(cnt_v(si, -1) - cnt_v(si, sj));
};
h_top = get_type(si, sj, false);
int p1 = 0, p2 = 0;
vector<pair<int, int>> hs, vs;
if (h_top) p1++, hs.emplace_back(si, sj);
else p2++, vs.emplace_back(si, sj);
while (sz(hs) < n && sz(vs) < n) {
if (get_type(row_ord[p1], col_ord[p2], true)) {
hs.emplace_back(row_ord[p1++], col_ord[p2]);
} else {
vs.emplace_back(row_ord[p1], col_ord[p2++]);
}
}
if (sz(hs) < sz(vs)) swap(vs, hs); // print hs
cout << "!\n";
pr(hs);
}
int main() {
ios::sync_with_stdio(false); cin.tie(0);
int T = 1;
// cin >> T;
while (T--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
344 KB |
Output is correct |
17 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
344 KB |
Output is correct |
17 |
Correct |
0 ms |
344 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
344 KB |
Output is correct |
22 |
Correct |
0 ms |
344 KB |
Output is correct |
23 |
Correct |
0 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
0 ms |
416 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
344 KB |
Output is correct |
29 |
Correct |
1 ms |
344 KB |
Output is correct |
30 |
Correct |
0 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
0 ms |
344 KB |
Output is correct |
35 |
Correct |
0 ms |
344 KB |
Output is correct |
36 |
Correct |
0 ms |
344 KB |
Output is correct |
37 |
Correct |
0 ms |
344 KB |
Output is correct |
38 |
Correct |
1 ms |
344 KB |
Output is correct |
39 |
Correct |
0 ms |
344 KB |
Output is correct |
40 |
Correct |
0 ms |
344 KB |
Output is correct |
41 |
Correct |
0 ms |
344 KB |
Output is correct |
42 |
Correct |
0 ms |
344 KB |
Output is correct |
43 |
Correct |
0 ms |
344 KB |
Output is correct |
44 |
Correct |
0 ms |
344 KB |
Output is correct |
45 |
Correct |
0 ms |
344 KB |
Output is correct |
46 |
Correct |
0 ms |
344 KB |
Output is correct |
47 |
Correct |
0 ms |
344 KB |
Output is correct |
48 |
Correct |
0 ms |
344 KB |
Output is correct |
49 |
Correct |
0 ms |
344 KB |
Output is correct |
50 |
Correct |
0 ms |
344 KB |
Output is correct |
51 |
Correct |
0 ms |
344 KB |
Output is correct |
52 |
Correct |
0 ms |
344 KB |
Output is correct |
53 |
Correct |
0 ms |
344 KB |
Output is correct |
54 |
Correct |
1 ms |
344 KB |
Output is correct |
55 |
Correct |
0 ms |
344 KB |
Output is correct |
56 |
Correct |
1 ms |
344 KB |
Output is correct |
57 |
Correct |
0 ms |
344 KB |
Output is correct |
58 |
Correct |
0 ms |
344 KB |
Output is correct |
59 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
344 KB |
Output is correct |
22 |
Correct |
0 ms |
344 KB |
Output is correct |
23 |
Correct |
0 ms |
344 KB |
Output is correct |
24 |
Correct |
0 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
0 ms |
344 KB |
Output is correct |
28 |
Correct |
0 ms |
344 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
0 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
0 ms |
344 KB |
Output is correct |
35 |
Correct |
0 ms |
344 KB |
Output is correct |
36 |
Correct |
0 ms |
344 KB |
Output is correct |
37 |
Correct |
0 ms |
344 KB |
Output is correct |
38 |
Correct |
0 ms |
344 KB |
Output is correct |
39 |
Correct |
0 ms |
344 KB |
Output is correct |
40 |
Correct |
0 ms |
344 KB |
Output is correct |
41 |
Correct |
0 ms |
344 KB |
Output is correct |
42 |
Correct |
0 ms |
356 KB |
Output is correct |
43 |
Correct |
1 ms |
356 KB |
Output is correct |
44 |
Correct |
1 ms |
356 KB |
Output is correct |
45 |
Correct |
0 ms |
356 KB |
Output is correct |
46 |
Correct |
0 ms |
356 KB |
Output is correct |
47 |
Correct |
0 ms |
356 KB |
Output is correct |
48 |
Correct |
1 ms |
356 KB |
Output is correct |
49 |
Correct |
0 ms |
356 KB |
Output is correct |
50 |
Correct |
0 ms |
356 KB |
Output is correct |
51 |
Correct |
0 ms |
356 KB |
Output is correct |
52 |
Correct |
0 ms |
356 KB |
Output is correct |
53 |
Correct |
1 ms |
356 KB |
Output is correct |
54 |
Correct |
0 ms |
356 KB |
Output is correct |
55 |
Correct |
0 ms |
356 KB |
Output is correct |
56 |
Correct |
1 ms |
356 KB |
Output is correct |
57 |
Correct |
0 ms |
356 KB |
Output is correct |
58 |
Correct |
0 ms |
356 KB |
Output is correct |
59 |
Partially correct |
2 ms |
492 KB |
Partially correct |
60 |
Partially correct |
1 ms |
492 KB |
Partially correct |
61 |
Partially correct |
2 ms |
836 KB |
Partially correct |
62 |
Partially correct |
2 ms |
492 KB |
Partially correct |
63 |
Partially correct |
4 ms |
492 KB |
Partially correct |
64 |
Partially correct |
3 ms |
472 KB |
Partially correct |
65 |
Partially correct |
3 ms |
480 KB |
Partially correct |
66 |
Partially correct |
4 ms |
472 KB |
Partially correct |
67 |
Partially correct |
4 ms |
480 KB |
Partially correct |
68 |
Partially correct |
3 ms |
480 KB |
Partially correct |
69 |
Partially correct |
2 ms |
480 KB |
Partially correct |
70 |
Partially correct |
3 ms |
480 KB |
Partially correct |
71 |
Partially correct |
2 ms |
472 KB |
Partially correct |
72 |
Partially correct |
3 ms |
472 KB |
Partially correct |
73 |
Partially correct |
2 ms |
480 KB |
Partially correct |
74 |
Partially correct |
2 ms |
480 KB |
Partially correct |
75 |
Partially correct |
2 ms |
472 KB |
Partially correct |
76 |
Partially correct |
2 ms |
480 KB |
Partially correct |
77 |
Partially correct |
3 ms |
480 KB |
Partially correct |
78 |
Partially correct |
3 ms |
632 KB |
Partially correct |
79 |
Partially correct |
2 ms |
480 KB |
Partially correct |
80 |
Partially correct |
3 ms |
480 KB |
Partially correct |
81 |
Partially correct |
3 ms |
480 KB |
Partially correct |
82 |
Partially correct |
3 ms |
664 KB |
Partially correct |
83 |
Partially correct |
3 ms |
480 KB |
Partially correct |
84 |
Partially correct |
3 ms |
696 KB |
Partially correct |
85 |
Partially correct |
3 ms |
480 KB |
Partially correct |
86 |
Partially correct |
2 ms |
480 KB |
Partially correct |
87 |
Partially correct |
2 ms |
728 KB |
Partially correct |
88 |
Partially correct |
2 ms |
480 KB |
Partially correct |
89 |
Partially correct |
1 ms |
712 KB |
Partially correct |
90 |
Partially correct |
2 ms |
472 KB |
Partially correct |
91 |
Partially correct |
2 ms |
696 KB |
Partially correct |
92 |
Partially correct |
3 ms |
480 KB |
Partially correct |
93 |
Partially correct |
3 ms |
480 KB |
Partially correct |
94 |
Partially correct |
4 ms |
472 KB |
Partially correct |
95 |
Partially correct |
3 ms |
480 KB |
Partially correct |
96 |
Partially correct |
3 ms |
480 KB |
Partially correct |
97 |
Correct |
0 ms |
344 KB |
Output is correct |