#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<long long, long long>
#define pb push_back
#define rep(i, b) for(int i = 0; i < (b); ++i)
#define rep2(i,a,b) for(int i = a; i <= (b); ++i)
#define rep3(i,a,b,c) for(int i = a; i <= (b); i+=c)
#define count_bits(x) __builtin_popcountll((x))
#define all(x) (x).begin(),(x).end()
#define size(x) (int)(x).size()
#define forall(it,x) for(auto& it:(x))
using namespace std;
//mt19937 mt;void random(){mt.seed(chrono::time_point_cast<chrono::milliseconds>(chrono::high_resolution_clock::now()).time_since_epoch().count());}
//ll rand(ll a, ll b) {return a + (mt() % (b-a+1));}
const int INF = 1e9+50;
const ll INF_L = 1e18+40;
const ll MOD = 1e9+7;
int n;
int type[102][102];
int rep_[102][2][2];
bool was_[102][2];
int ask(vector<pii> v)
{
string q = "?\n";
set<pii> s;
forall(it,v) s.insert(it);
rep(i,n)
{
rep(j,n)
{
if(s.find({i,j}) == s.end())
{
q += '0';
}
else
{
q += '1';
}
}
q += '\n';
}
cout << q << endl;
cout.flush();
int ans;
cin >> ans;
//cout.flush();
return ans;
}
void solve()
{
cin >> n;
cout.flush();
type[0][0] = 0;
rep(i,n)
{
rep_[i][0][0] = -1;
rep_[i][0][1] = -1;
rep_[i][1][0] = -1;
rep_[i][1][1] = -1;
}
rep(i,n)
{
if(i%2 == 0)
{
rep(j,n-1)
{
int ans = ask({{i,j},{i,j+1}});
if(ans == n || ans == n*2)
{
type[i][j+1] = type[i][j];
}
else
{
type[i][j+1] = type[i][j] ^ 1;
}
}
if(i != n-1)
{
int ans = ask({{i,n-1},{i+1,n-1}});
if(ans == n || ans == n*2)
{
type[i+1][n-1] = type[i][n-1];
}
else
{
type[i+1][n-1] = type[i][n-1] ^ 1;
}
}
}
else
{
for(int j = n-1; j >= 1; j--)
{
int ans = ask({{i,j},{i,j-1}});
if(ans == n || ans == n*2)
{
type[i][j-1] = type[i][j];
}
else
{
type[i][j-1] = type[i][j] ^ 1;
}
}
if(i != n-1)
{
int ans = ask({{i,0},{i+1,0}});
if(ans == n || ans == 2*n)
{
type[i+1][0] = type[i][0];
}
else
{
type[i+1][0] = type[i][0] ^ 1;
}
}
}
}
bool was = false;
rep(i,n)
{
rep(j,n)
{
if(rep_[i][1][type[i][j]] != -1)
{
was = true;
if(ask({{i,rep_[i][1][type[i][j]]},{i,j}}) == n)
{
if(type[i][j] == 1)
{
rep(k,n)
{
rep(u,n)
{
type[k][u] ^= 1;
}
}
}
}
else
{
if(type[i][j] == 0)
{
rep(k,n)
{
rep(u,n)
{
type[k][u] ^= 1;
}
}
}
}
break;
}
if(rep_[j][0][type[i][j]] != -1)
{
was = true;
if(ask({{rep_[i][1][type[i][j]],j},{i,j}}) == n)
{
if(type[i][j] == 0)
{
rep(k,n)
{
rep(u,n)
{
type[k][u] ^= 1;
}
}
}
}
else
{
if(type[i][j] == 1)
{
rep(k,n)
{
rep(u,n)
{
type[k][u] ^= 1;
}
}
}
}
break;
}
rep_[i][1][type[i][j]] = j;
rep_[j][0][type[i][j]] = i;
}
if(was) break;
}
// cout << "type\n";
// rep(i,n)
// {
// rep(j,n)
// {
// cout << type[i][j];
// }
// cout << "\n";
// }
// cout << "type\n";
int sum0 = 0;
int sum1 = 0;
rep(i,n)
{
rep(j,n)
{
if(type[i][j] == 1)
{
if(!was_[j][1]) sum1++;
was_[j][1] = true;
}
else
{
if(!was_[i][0]) sum0++;
was_[i][0] = true;
}
}
}
rep(i,n)
{
was_[i][0] = false;
was_[i][1] = false;
}
// cout << sum0 << " " << sum1 << " sum\n";
string ans = "!\n";
if(sum1 == n)
{
rep(i,n)
{
rep(j,n)
{
if(type[i][j] == 1)
{
if(!was_[j][0]) ans +='1';
else ans += '0';
was_[j][0] = true;
}
else
{
ans += '0';
}
}
ans += '\n';
}
// cout.flush();
}
else if(sum0 == n)
{
rep(i,n)
{
rep(j,n)
{
if(type[i][j] == 0)
{
if(!was_[i][1]) ans += '1';
else ans += '0';
was_[i][1] = true;
}
else
{
ans += '0';
}
}
ans += '\n';
}
}
cout << ans << endl;
cout.flush();
}
int main()
{
//ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//random();
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 |
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 |
# |
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 |
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 |
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 |
1 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 |
1 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 |
0 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
600 KB |
Output is correct |
29 |
Correct |
1 ms |
344 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
0 ms |
344 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
0 ms |
600 KB |
Output is correct |
36 |
Correct |
0 ms |
344 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
1 ms |
344 KB |
Output is correct |
39 |
Correct |
1 ms |
344 KB |
Output is correct |
40 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
44 |
Correct |
1 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 |
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 |
1 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 |
1 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 |
1 ms |
344 KB |
Output is correct |
59 |
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 |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
1 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 |
18 |
Partially correct |
1 ms |
344 KB |
Partially correct |
19 |
Partially correct |
0 ms |
344 KB |
Partially correct |
20 |
Partially correct |
1 ms |
344 KB |
Partially correct |
21 |
Partially correct |
1 ms |
344 KB |
Partially correct |
22 |
Partially correct |
1 ms |
344 KB |
Partially correct |
23 |
Partially correct |
1 ms |
344 KB |
Partially correct |
24 |
Correct |
0 ms |
344 KB |
Output is correct |
25 |
Partially correct |
1 ms |
344 KB |
Partially correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
27 |
Partially correct |
1 ms |
344 KB |
Partially correct |
28 |
Partially correct |
1 ms |
344 KB |
Partially correct |
29 |
Partially correct |
0 ms |
344 KB |
Partially correct |
30 |
Partially correct |
1 ms |
344 KB |
Partially correct |
31 |
Partially correct |
1 ms |
344 KB |
Partially correct |
32 |
Partially correct |
1 ms |
344 KB |
Partially correct |
33 |
Partially correct |
1 ms |
344 KB |
Partially correct |
34 |
Partially correct |
1 ms |
344 KB |
Partially correct |
35 |
Partially correct |
1 ms |
344 KB |
Partially correct |
36 |
Partially correct |
1 ms |
344 KB |
Partially correct |
37 |
Partially correct |
0 ms |
344 KB |
Partially correct |
38 |
Partially correct |
0 ms |
344 KB |
Partially correct |
39 |
Partially correct |
1 ms |
344 KB |
Partially correct |
40 |
Partially correct |
1 ms |
344 KB |
Partially correct |
41 |
Partially correct |
0 ms |
428 KB |
Partially correct |
42 |
Partially correct |
1 ms |
344 KB |
Partially correct |
43 |
Partially correct |
1 ms |
344 KB |
Partially correct |
44 |
Partially correct |
1 ms |
344 KB |
Partially correct |
45 |
Partially correct |
1 ms |
600 KB |
Partially 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 |
1 ms |
344 KB |
Output is correct |
51 |
Correct |
1 ms |
344 KB |
Output is correct |
52 |
Partially correct |
1 ms |
344 KB |
Partially correct |
53 |
Partially correct |
0 ms |
344 KB |
Partially correct |
54 |
Partially correct |
1 ms |
344 KB |
Partially correct |
55 |
Partially correct |
0 ms |
344 KB |
Partially correct |
56 |
Partially correct |
0 ms |
344 KB |
Partially correct |
57 |
Partially correct |
1 ms |
344 KB |
Partially correct |
58 |
Partially correct |
1 ms |
344 KB |
Partially correct |
59 |
Runtime error |
63 ms |
1120 KB |
Execution killed with signal 13 |
60 |
Halted |
0 ms |
0 KB |
- |