This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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] != '$'){
if(ask(i, y, x, y) == 2 * n - 1)ans[x][y] = (ans[i][y] == 'V' ? 'H' : 'V');
else ans[x][y] = ans[i][y];
return;
}
}
}
bitset<N> res[N];
void hor(){
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
if(ans[i][j] == 'H'){
res[i][j] = 1;
break;
}
}
}
}
void vert(){
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
if(ans[j][i] == 'V'){
res[j][i] = 1;
break;
}
}
}
}
signed main(){ios::sync_with_stdio(false);cin.tie(0);
cin>>n;
for(int i = 0;i < n;i++)ans[i] = string(n, '$');
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';
}
}
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
find(i, j);
}
}
bool h = 1;
for(int i = 0;i < n;i++){
bool b = 0;
for(int j = 0;j < n;j++){
if(ans[i][j] == 'H'){
b = 1;
break;
}
}
if(!b){
h = 0;
break;
}
}
if(h)hor();
else vert();
cout<<"!"<<endl;
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
cout<<res[i][j];
}
cout<<endl;
}
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |