#include <iostream>
#include <vector>
using namespace std;
typedef vector <vector <bool>> matrix;
int n;
vector <string> rot;
/*
0 = intersect
1 = same
2 = parallel
*/
inline const matrix cm(vector <pair <int, int>> lamps = {}) {
matrix m(n, vector<bool>(n, false));
for (auto &p : lamps) m[p.first][p.second] = true;
return m;
}
short ask(short x1, short y1, short x2, short y2) {
cout << '?';
for (auto &i : cm({{x1, y1}, {x2, y2}})) {
cout << '\n';
for (bool &&j : i) cout << j;
}
cout << endl;
int x;
cin >> x;
if (x == 2 * n) return 2;
if (x == n) return 1;
return 0;
}
void answer(const matrix &m) {
cout << '!';
for (auto &i : m) {
cout << '\n';
for (bool &&j : i) cout << j;
}
exit(0);
}
char rotof(short x, short y) {
if (rot[x][y] == '.') {
for (int i = 0; i < n; i++) {
if (rot[x][i] != '.') {
if (ask(x, i, x, y)) return rot[x][y] = rot[x][i];
return rot[x][y] = rot[x][i] == 'V' ? 'H' : 'V';
}
if (rot[i][y] != '.') {
if (ask(i, y, x, y)) return rot[x][y] = rot[i][y];
return rot[x][y] = rot[i][y] == 'V' ? 'H' : 'V';
}
}
}
return rot[x][y];
}
void ansvert() {
matrix m = cm();
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (rot[j][i] == 'V') {
m[j][i] = true;
break;
}
}
}
answer(m);
}
void anshor() {
matrix m = cm();
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (rot[i][j] == 'H') {
m[i][j] = true;
break;
}
}
}
answer(m);
}
signed main() {
cin >> n;
rot = vector(n, string(n, '.'));
short ans = ask(0, 0, 0, 1);
if (ans == 2) rot[0][0] = rot[0][1] = 'V';
else if (ans == 1) rot[0][0] = rot[0][1] = 'H';
else {
ans = ask(0, 0, 0, 2);
if (ans == 2) {
rot[0][1] = 'H';
rot[0][0] = rot[0][2] = 'V';
}
else if (ans == 1) {
rot[0][1] = 'V';
rot[0][0] = rot[0][2] = 'H';
}
else if (ask(0, 1, 0, 2) == 2) {
rot[0][0] = 'H';
rot[0][1] = rot[0][2] = 'V';
}
else {
rot[0][0] = 'V';
rot[0][1] = rot[0][2] = 'H';
}
}
for (int i = 0, j = 0; i < n; i++) {
while (j < n && rotof(j, i) == 'H') j++;
if (j == n) anshor();
}
ansvert();
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 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 |
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 |
0 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 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 |
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 |
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 |
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 |
0 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 |
0 ms |
344 KB |
Output is correct |
| 31 |
Correct |
0 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 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 |
1 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 |
1 ms |
344 KB |
Output is correct |
| 48 |
Correct |
1 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 |
0 ms |
344 KB |
Output is correct |
| 55 |
Correct |
0 ms |
344 KB |
Output is correct |
| 56 |
Correct |
0 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 |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
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 |
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 |
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 |
| 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 |
1 ms |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
344 KB |
Output is correct |
| 31 |
Correct |
0 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
344 KB |
Output is correct |
| 33 |
Correct |
0 ms |
356 KB |
Output is correct |
| 34 |
Correct |
0 ms |
344 KB |
Output is correct |
| 35 |
Correct |
0 ms |
344 KB |
Output is correct |
| 36 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 43 |
Correct |
1 ms |
344 KB |
Output is correct |
| 44 |
Correct |
0 ms |
344 KB |
Output is correct |
| 45 |
Correct |
0 ms |
380 KB |
Output is correct |
| 46 |
Correct |
0 ms |
344 KB |
Output is correct |
| 47 |
Correct |
0 ms |
596 KB |
Output is correct |
| 48 |
Correct |
1 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 |
0 ms |
344 KB |
Output is correct |
| 55 |
Correct |
0 ms |
344 KB |
Output is correct |
| 56 |
Correct |
0 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 |
Partially correct |
30 ms |
344 KB |
Partially correct |
| 60 |
Partially correct |
28 ms |
344 KB |
Partially correct |
| 61 |
Partially correct |
31 ms |
344 KB |
Partially correct |
| 62 |
Partially correct |
44 ms |
344 KB |
Partially correct |
| 63 |
Partially correct |
42 ms |
596 KB |
Partially correct |
| 64 |
Partially correct |
51 ms |
344 KB |
Partially correct |
| 65 |
Partially correct |
81 ms |
340 KB |
Partially correct |
| 66 |
Partially correct |
74 ms |
344 KB |
Partially correct |
| 67 |
Partially correct |
81 ms |
1172 KB |
Partially correct |
| 68 |
Partially correct |
51 ms |
344 KB |
Partially correct |
| 69 |
Partially correct |
37 ms |
344 KB |
Partially correct |
| 70 |
Partially correct |
39 ms |
344 KB |
Partially correct |
| 71 |
Partially correct |
33 ms |
344 KB |
Partially correct |
| 72 |
Partially correct |
39 ms |
344 KB |
Partially correct |
| 73 |
Partially correct |
38 ms |
340 KB |
Partially correct |
| 74 |
Partially correct |
57 ms |
344 KB |
Partially correct |
| 75 |
Partially correct |
29 ms |
592 KB |
Partially correct |
| 76 |
Partially correct |
34 ms |
344 KB |
Partially correct |
| 77 |
Partially correct |
45 ms |
344 KB |
Partially correct |
| 78 |
Partially correct |
43 ms |
344 KB |
Partially correct |
| 79 |
Partially correct |
35 ms |
344 KB |
Partially correct |
| 80 |
Partially correct |
45 ms |
344 KB |
Partially correct |
| 81 |
Partially correct |
69 ms |
340 KB |
Partially correct |
| 82 |
Partially correct |
69 ms |
344 KB |
Partially correct |
| 83 |
Partially correct |
70 ms |
460 KB |
Partially correct |
| 84 |
Partially correct |
46 ms |
432 KB |
Partially correct |
| 85 |
Partially correct |
63 ms |
520 KB |
Partially correct |
| 86 |
Partially correct |
58 ms |
344 KB |
Partially correct |
| 87 |
Partially correct |
59 ms |
344 KB |
Partially correct |
| 88 |
Partially correct |
29 ms |
344 KB |
Partially correct |
| 89 |
Partially correct |
29 ms |
456 KB |
Partially correct |
| 90 |
Partially correct |
43 ms |
344 KB |
Partially correct |
| 91 |
Partially correct |
52 ms |
344 KB |
Partially correct |
| 92 |
Partially correct |
56 ms |
344 KB |
Partially correct |
| 93 |
Partially correct |
45 ms |
344 KB |
Partially correct |
| 94 |
Partially correct |
58 ms |
344 KB |
Partially correct |
| 95 |
Partially correct |
30 ms |
344 KB |
Partially correct |
| 96 |
Partially correct |
66 ms |
344 KB |
Partially correct |
| 97 |
Correct |
0 ms |
344 KB |
Output is correct |
