#include <bits/stdc++.h>
using namespace std;
#define ar array
#define int long long
#define ld long double
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
const int N = 200;
const int X = N * N;
const int K = 500;
const int MOD = 1e9 + 7;
const int LOG = 21;
const int INF = 1e17;
string ans[N];
int n;
int ask(int a, int b,int c,int d){
string s[n];
for(int i = 0;i < n;i++)s[i] = string(n, '0');
s[a][b] = '1';
s[c][d] = '1';
cout<<"?"<<endl;
for(int i = 0;i < n;i++)cout<<s[i]<<endl;
int x;
cin>>x;
return x;
}
void find(int x,int y){
if(ans[x][y] != '$')return;
for(int i = 0;i < n;i++){
if(ans[x][i] != '$'){
if(ask(x, i, x, y) == 2 * n - 1)ans[x][y] = (ans[x][i] == 'V' ? 'H' : 'V');
else ans[x][y] = ans[x][i];
return;
}
if(ans[i][y] != '$'){
if(ask(i, y, x, y) == 2 * n - 1)ans[x][y] = (ans[i][y] == 'V' ? 'H' : 'V');
else ans[x][y] = ans[i][y];
return;
}
}
}
bitset<N> res[N];
bool b;
void hor(){
if(b)return;
b = 1;
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
if(ans[i][j] == 'H'){
res[i][j] = 1;
break;
}
}
}
}
void vert(){
if(b)return;
b = 1;
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
if(ans[j][i] == 'V'){
res[j][i] = 1;
break;
}
}
}
}
signed main(){ios::sync_with_stdio(false);cin.tie(0);
cin>>n;
for(int i = 0;i < n;i++)ans[i] = string(n, '$');
int x = ask(0, 0, 0, 1);
if(x == 2 * n)ans[0][0] = ans[0][1] = 'V';
else if(x == n)ans[0][0] = ans[0][1] = 'H';
else{
x = ask(0, 0, 0, 2);
if(x == 2 * n)ans[0][0] = ans[0][2] = 'V', ans[0][1] = 'H';
else if(x == n)ans[0][0] = ans[0][2] = 'H', ans[0][1] = 'V';
else{
x = ask(0, 1, 0, 2);
if(x == 2 * n)ans[0][1] = ans[0][2] = 'V', ans[0][0] = 'H';
else if(x == n)ans[0][1] = ans[0][2] = 'H', ans[0][0] = 'V';
}
}
int j = 0;
for(int i = 0;i < n;i++){
find(i, j);
while(j < n && ans[i][j] == 'V')find(i, ++j);
if(j == n)vert();
}
hor();
cout<<"!"<<endl;
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
cout<<res[i][j];
}
cout<<'\n';
}
}
| # |
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 |
504 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 |
| # |
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 |
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 |
| 18 |
Correct |
1 ms |
344 KB |
Output is correct |
| 19 |
Correct |
1 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 |
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 |
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 |
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 |
0 ms |
344 KB |
Output is correct |
| 44 |
Correct |
0 ms |
344 KB |
Output is correct |
| 45 |
Correct |
1 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 |
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 |
1 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 |
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 |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 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 |
1 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 |
1 ms |
344 KB |
Output is correct |
| 39 |
Correct |
0 ms |
344 KB |
Output is correct |
| 40 |
Correct |
0 ms |
340 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 |
384 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 |
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 |
0 ms |
344 KB |
Output is correct |
| 58 |
Correct |
0 ms |
344 KB |
Output is correct |
| 59 |
Partially correct |
3 ms |
488 KB |
Partially correct |
| 60 |
Partially correct |
3 ms |
536 KB |
Partially correct |
| 61 |
Partially correct |
4 ms |
488 KB |
Partially correct |
| 62 |
Partially correct |
4 ms |
484 KB |
Partially correct |
| 63 |
Partially correct |
4 ms |
484 KB |
Partially correct |
| 64 |
Partially correct |
4 ms |
488 KB |
Partially correct |
| 65 |
Partially correct |
6 ms |
480 KB |
Partially correct |
| 66 |
Partially correct |
8 ms |
784 KB |
Partially correct |
| 67 |
Partially correct |
6 ms |
484 KB |
Partially correct |
| 68 |
Partially correct |
7 ms |
488 KB |
Partially correct |
| 69 |
Partially correct |
4 ms |
488 KB |
Partially correct |
| 70 |
Partially correct |
4 ms |
484 KB |
Partially correct |
| 71 |
Partially correct |
4 ms |
716 KB |
Partially correct |
| 72 |
Partially correct |
3 ms |
480 KB |
Partially correct |
| 73 |
Partially correct |
4 ms |
480 KB |
Partially correct |
| 74 |
Partially correct |
5 ms |
480 KB |
Partially correct |
| 75 |
Partially correct |
3 ms |
480 KB |
Partially correct |
| 76 |
Partially correct |
4 ms |
480 KB |
Partially correct |
| 77 |
Partially correct |
5 ms |
484 KB |
Partially correct |
| 78 |
Partially correct |
4 ms |
480 KB |
Partially correct |
| 79 |
Partially correct |
4 ms |
484 KB |
Partially correct |
| 80 |
Partially correct |
6 ms |
1428 KB |
Partially correct |
| 81 |
Partially correct |
7 ms |
484 KB |
Partially correct |
| 82 |
Partially correct |
8 ms |
592 KB |
Partially correct |
| 83 |
Partially correct |
6 ms |
484 KB |
Partially correct |
| 84 |
Partially correct |
5 ms |
484 KB |
Partially correct |
| 85 |
Partially correct |
8 ms |
484 KB |
Partially correct |
| 86 |
Partially correct |
6 ms |
620 KB |
Partially correct |
| 87 |
Partially correct |
6 ms |
484 KB |
Partially correct |
| 88 |
Partially correct |
5 ms |
480 KB |
Partially correct |
| 89 |
Partially correct |
5 ms |
484 KB |
Partially correct |
| 90 |
Partially correct |
4 ms |
484 KB |
Partially correct |
| 91 |
Partially correct |
6 ms |
480 KB |
Partially correct |
| 92 |
Partially correct |
6 ms |
584 KB |
Partially correct |
| 93 |
Partially correct |
7 ms |
480 KB |
Partially correct |
| 94 |
Partially correct |
7 ms |
480 KB |
Partially correct |
| 95 |
Partially correct |
3 ms |
480 KB |
Partially correct |
| 96 |
Partially correct |
5 ms |
484 KB |
Partially correct |
| 97 |
Correct |
1 ms |
344 KB |
Output is correct |
