#include <bits/stdc++.h>
#include <signal.h>
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
using namespace std;
int N, M, Q;
vector<vector<int>> grid;
void output(){
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
cout << grid[i][j];
}
cout << "\n";
}
}
int find_next(int l, int r){
int c = 0;
if(l == 0){
c++;
if(r == 1) c++;
}
return c;
}
signed main() {
cin >> N;
vector<int> pos(N);
grid.resize(N, vector<int>(N, 0));
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) grid[i][j] = 1;
cout << "?" << "\n";
output();
cout << flush;
for (int j = 0; j < N; j++) grid[i][j] = 0;
int base; cin >> base;
if (base == N*N) {
cout << "!" << "\n";
for (int j = 0; j < N; j++) grid[i][j] = 1;
output();
cout << flush;
return 0;
}
int l = 0, r = N-1;
while (r - l > 1) {
int mid = (l + r) / 2;
for (int j = l; j <= mid; j++) grid[i][j] = 1;
cout << "?" << "\n";
output();
for (int j = 0; j < N; j++) grid[i][j] = 0;
cout << flush;
int res; cin >> res;
if (res < (mid - l + 1) * N) {
r = mid;
} else {
l = mid + 1;
}
}
int rnd = find_next(l, r);
if (l == r) {
pos[i] = l;
continue;
}
if(i==0){
grid[i][l] = 1;
grid[i][r] = 1;
cout << "?" << "\n";
output();
cout << flush;
int res; cin >> res;
if (res == N) {
grid[i][l] = 0;
grid[i][r] = 0;
pos[i] = l;
continue;
}
if (res == 2*N) {
grid[i][l] = 0;
grid[i][r] = 0;
pos[i] = r+1;
continue;
}
grid[i][rnd] = 1;
cout << "?" << "\n";
output();
cout << flush;
cin >> res;
if (res == N*2 - 1) {
grid[i][r] = 0;
cout << "?" << "\n";
output();
cout << flush;
cin >> res;
if (res == N*2 - 1) pos[i] = r;
else pos[i] = l;
} else {
grid[i][r] = 0;
cout << "?" << "\n";
output();
cout << flush;
cin >> res;
if (res == N*2 - 1) pos[i] = l;
else pos[i] = r;
}
grid[i][rnd] = 0;
grid[i][l] = 0;
}else{
grid[i][l] = 1;
grid[i-1][pos[i-1]] = 1;
cout << "?" << "\n";
output();
cout << flush;
int res; cin >> res;
grid[i][l] = 0;
grid[i-1][pos[i-1]]=0;
if (res == N*2) {
pos[i] = l;
}else{
pos[i] = r;
}
}
}
for (int i = 0; i < N; i++) {
grid[i][pos[i]] = 1;
}
cout << "!" << "\n";
cout << flush;
output();
cout << flush;
return 0;
}
| # |
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 |
596 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 |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
0 ms |
368 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 |
428 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 |
1 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 |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 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 |
0 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 |
1 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 |
1 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 |
596 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
0 ms |
344 KB |
Output is correct |
| 51 |
Correct |
0 ms |
344 KB |
Output is correct |
| 52 |
Correct |
1 ms |
344 KB |
Output is correct |
| 53 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 58 |
Correct |
0 ms |
344 KB |
Output is correct |
| 59 |
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 |
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 |
1 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 |
1 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 |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 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 |
1 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 |
1 ms |
344 KB |
Output is correct |
| 33 |
Correct |
0 ms |
344 KB |
Output is correct |
| 34 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
| 38 |
Correct |
0 ms |
348 KB |
Output is correct |
| 39 |
Correct |
0 ms |
348 KB |
Output is correct |
| 40 |
Correct |
0 ms |
348 KB |
Output is correct |
| 41 |
Correct |
1 ms |
348 KB |
Output is correct |
| 42 |
Correct |
0 ms |
344 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
0 ms |
348 KB |
Output is correct |
| 45 |
Correct |
1 ms |
348 KB |
Output is correct |
| 46 |
Correct |
0 ms |
348 KB |
Output is correct |
| 47 |
Correct |
0 ms |
348 KB |
Output is correct |
| 48 |
Correct |
0 ms |
344 KB |
Output is correct |
| 49 |
Correct |
0 ms |
348 KB |
Output is correct |
| 50 |
Correct |
0 ms |
348 KB |
Output is correct |
| 51 |
Correct |
0 ms |
348 KB |
Output is correct |
| 52 |
Correct |
0 ms |
348 KB |
Output is correct |
| 53 |
Correct |
0 ms |
348 KB |
Output is correct |
| 54 |
Correct |
1 ms |
348 KB |
Output is correct |
| 55 |
Correct |
0 ms |
348 KB |
Output is correct |
| 56 |
Correct |
0 ms |
348 KB |
Output is correct |
| 57 |
Correct |
1 ms |
348 KB |
Output is correct |
| 58 |
Correct |
0 ms |
344 KB |
Output is correct |
| 59 |
Partially correct |
222 ms |
1204 KB |
Partially correct |
| 60 |
Correct |
1 ms |
344 KB |
Output is correct |
| 61 |
Partially correct |
208 ms |
344 KB |
Partially correct |
| 62 |
Partially correct |
206 ms |
496 KB |
Partially correct |
| 63 |
Partially correct |
224 ms |
520 KB |
Partially correct |
| 64 |
Partially correct |
208 ms |
344 KB |
Partially correct |
| 65 |
Partially correct |
237 ms |
708 KB |
Partially correct |
| 66 |
Partially correct |
215 ms |
344 KB |
Partially correct |
| 67 |
Partially correct |
225 ms |
704 KB |
Partially correct |
| 68 |
Partially correct |
277 ms |
592 KB |
Partially correct |
| 69 |
Partially correct |
206 ms |
344 KB |
Partially correct |
| 70 |
Partially correct |
237 ms |
344 KB |
Partially correct |
| 71 |
Partially correct |
196 ms |
344 KB |
Partially correct |
| 72 |
Correct |
1 ms |
344 KB |
Output is correct |
| 73 |
Partially correct |
91 ms |
344 KB |
Partially correct |
| 74 |
Partially correct |
120 ms |
340 KB |
Partially correct |
| 75 |
Partially correct |
204 ms |
344 KB |
Partially correct |
| 76 |
Partially correct |
204 ms |
344 KB |
Partially correct |
| 77 |
Partially correct |
189 ms |
496 KB |
Partially correct |
| 78 |
Partially correct |
58 ms |
344 KB |
Partially correct |
| 79 |
Partially correct |
202 ms |
344 KB |
Partially correct |
| 80 |
Partially correct |
238 ms |
936 KB |
Partially correct |
| 81 |
Partially correct |
208 ms |
344 KB |
Partially correct |
| 82 |
Partially correct |
274 ms |
728 KB |
Partially correct |
| 83 |
Partially correct |
205 ms |
344 KB |
Partially correct |
| 84 |
Partially correct |
239 ms |
344 KB |
Partially correct |
| 85 |
Partially correct |
222 ms |
340 KB |
Partially correct |
| 86 |
Partially correct |
204 ms |
592 KB |
Partially correct |
| 87 |
Partially correct |
232 ms |
984 KB |
Partially correct |
| 88 |
Partially correct |
205 ms |
344 KB |
Partially correct |
| 89 |
Partially correct |
198 ms |
784 KB |
Partially correct |
| 90 |
Partially correct |
207 ms |
344 KB |
Partially correct |
| 91 |
Partially correct |
213 ms |
344 KB |
Partially correct |
| 92 |
Partially correct |
235 ms |
344 KB |
Partially correct |
| 93 |
Partially correct |
249 ms |
340 KB |
Partially correct |
| 94 |
Partially correct |
214 ms |
496 KB |
Partially correct |
| 95 |
Partially correct |
214 ms |
344 KB |
Partially correct |
| 96 |
Partially correct |
260 ms |
496 KB |
Partially correct |
| 97 |
Correct |
0 ms |
344 KB |
Output is correct |
