#include <bits/stdc++.h>
//#include "c2.h"
using namespace std;
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define pb push_back
#define sp " "
#define endl "\n"
#define pii pair<int, int>
#define st first
#define nd second
#define int long long
#define N 100005
const int INF = 1e9 + 7;
int newgcd(int a, int b)
{
if (a < b) swap(a, b);
if (b == 1) return a - 1;
return newgcd(b, a % b) + a / b;
}
void print2(int i, int j, int turn, string &s)
{
if (i < j) swap(i, j);
if (j == 1)
{
for (int k = 1; k < i; k++) s += (char)turn + '0';
return;
}
for (int k = 0; k < i / j; k++)
s += (char)turn + '0';
print2(j, i % j, 1 - turn, s);
}
void solve(int k)
{
pii tmp;
int mini = INF, res = 0;
k += 2;
for (int j = 1; j < k; j++)
{
int l = k - j;
if (gcd(j, l) != 1) continue;
res++;
int gh = newgcd(l, j);
if (mini > gh)
{
mini = gh;
tmp = {j, l};
}
}
cout<<res<<endl;
string s;
print2(tmp.st, tmp.nd, 0, s);
for (auto i : s) cout<<i<<sp;
cout<<endl;
}
int32_t main()
{
//fileio();
fastio();
int t;
cin>>t;
while(t--)
{
int k;
cin>>k;
solve(k);
}
cerr<<"time taken : "<<(float)clock() / CLOCKS_PER_SEC<<" seconds\n";
}
Compilation message
binary.cpp: In function 'void solve(long long int)':
binary.cpp:47:7: error: 'gcd' was not declared in this scope
47 | if (gcd(j, l) != 1) continue;
| ^~~
