#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define pb push_back
#define in insert
#define pll pair<ll,ll>
#define vpl vector<pll>
#define vll vector <ll>
#define vl vector<ll>
#define F first
#define S second
#define ll long long
#define all(v) v.begin(),v.end()
#define endl "\n"
#define ull unsigned long long
#define ld long double
using namespace std;
//using namespace __gnu_pbds;
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt,fma")
const ll sz= 9e5 + 5;
const ll inf=1e18;
const ll mod=1e9+7;
const ll mod2=998244353;
const ll eps = 1e-12;
const ll P1=47; // for hashing
const ll P2=41; // for hashing
//template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//template<class T> using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
// ll idx = 1;
ll n, m, ln, pref[sz], a[sz];
bool used[sz];
vll order;
void dfs(ll node)
{
if(used[node])
return;
used[node] = 1;
if(node + n <= ln)
dfs(node + n);
if(node - m >= 0)
dfs(node - m);
order.push_back(node);
}
bool check(ll mid)
{
order.clear();
ln = mid;
memset(used, 0, sizeof(used));
for(ll i = 0 ; i <= ln; i++)
dfs(i);
for(ll i = 0; i <= ln; i++)
pref[order[i]] = i + 1;
for(ll i = n; i <= ln; i++)
if(pref[i] - pref[i - n] >= 0)
return 0;
for(ll i = m; i <= ln; i++)
if(pref[i] - pref[i - m] <= 0)
return 0;
for(ll i = 1; i <= ln; i++)
a[i] = pref[i] - pref[i - 1];
return 1;
}
void solve()
{
cin >> n >> m;
ll l = 1, r = max(n, m) * 2;
while(l <= r)
{
ll mid = (l + r) / 2;
if(check(mid))
l = mid + 1;
else
r = mid - 1;
}
cout << l - 1 << "\n";
for(ll i = 1; i <= l - 1; ++i)
cout << a[i] << " ";
cout << endl;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
long long t = 1;
cin >> t;
while(t--)
{
// cout << "Case " << (int) ix <<":\n";
solve();
///idx++;
}
}
/*
Note : don`t use fast input in interactive questions
Note : Compare long double with eps = 1e-12
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4700 KB |
Ok |
2 |
Correct |
2 ms |
4752 KB |
Ok |
3 |
Correct |
2 ms |
4752 KB |
Ok |
4 |
Correct |
2 ms |
4700 KB |
Ok |
5 |
Correct |
2 ms |
4700 KB |
Ok |
6 |
Correct |
2 ms |
4700 KB |
Ok |
7 |
Correct |
2 ms |
4700 KB |
Ok |
8 |
Correct |
2 ms |
4700 KB |
Ok |
9 |
Correct |
2 ms |
4700 KB |
Ok |
10 |
Correct |
2 ms |
4700 KB |
Ok |
11 |
Correct |
2 ms |
4700 KB |
Ok |
12 |
Correct |
2 ms |
4700 KB |
Ok |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4700 KB |
Ok |
2 |
Correct |
2 ms |
4696 KB |
Ok |
3 |
Correct |
2 ms |
4744 KB |
Ok |
4 |
Correct |
2 ms |
4748 KB |
Ok |
5 |
Correct |
2 ms |
4700 KB |
Ok |
6 |
Correct |
4 ms |
4700 KB |
Ok |
7 |
Correct |
14 ms |
5468 KB |
Ok |
8 |
Correct |
7 ms |
4956 KB |
Ok |
9 |
Correct |
13 ms |
5724 KB |
Ok |
10 |
Correct |
10 ms |
5212 KB |
Ok |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4700 KB |
Ok |
2 |
Correct |
1 ms |
4700 KB |
Ok |
3 |
Correct |
1 ms |
4700 KB |
Ok |
4 |
Correct |
1 ms |
4700 KB |
Ok |
5 |
Correct |
1 ms |
4564 KB |
Ok |
6 |
Correct |
1 ms |
4700 KB |
Ok |
7 |
Correct |
1 ms |
4700 KB |
Ok |
8 |
Correct |
1 ms |
4700 KB |
Ok |
9 |
Correct |
1 ms |
4700 KB |
Ok |
10 |
Correct |
1 ms |
4700 KB |
Ok |
11 |
Correct |
1 ms |
4700 KB |
Ok |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4696 KB |
Ok |
2 |
Correct |
2 ms |
4700 KB |
Ok |
3 |
Correct |
2 ms |
4700 KB |
Ok |
4 |
Correct |
2 ms |
4700 KB |
Ok |
5 |
Correct |
2 ms |
4700 KB |
Ok |
6 |
Correct |
82 ms |
15144 KB |
Ok |
7 |
Correct |
73 ms |
17100 KB |
Ok |
8 |
Correct |
152 ms |
20164 KB |
Ok |
9 |
Correct |
106 ms |
16604 KB |
Ok |
10 |
Correct |
63 ms |
11472 KB |
Ok |
11 |
Correct |
103 ms |
18632 KB |
Ok |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4700 KB |
Ok |
2 |
Correct |
2 ms |
4752 KB |
Ok |
3 |
Correct |
2 ms |
4752 KB |
Ok |
4 |
Correct |
2 ms |
4700 KB |
Ok |
5 |
Correct |
2 ms |
4700 KB |
Ok |
6 |
Correct |
2 ms |
4700 KB |
Ok |
7 |
Correct |
2 ms |
4700 KB |
Ok |
8 |
Correct |
2 ms |
4700 KB |
Ok |
9 |
Correct |
2 ms |
4700 KB |
Ok |
10 |
Correct |
2 ms |
4700 KB |
Ok |
11 |
Correct |
2 ms |
4700 KB |
Ok |
12 |
Correct |
2 ms |
4700 KB |
Ok |
13 |
Correct |
1 ms |
4700 KB |
Ok |
14 |
Correct |
1 ms |
4700 KB |
Ok |
15 |
Correct |
1 ms |
4700 KB |
Ok |
16 |
Correct |
1 ms |
4700 KB |
Ok |
17 |
Correct |
1 ms |
4564 KB |
Ok |
18 |
Correct |
1 ms |
4700 KB |
Ok |
19 |
Correct |
1 ms |
4700 KB |
Ok |
20 |
Correct |
1 ms |
4700 KB |
Ok |
21 |
Correct |
1 ms |
4700 KB |
Ok |
22 |
Correct |
1 ms |
4700 KB |
Ok |
23 |
Correct |
1 ms |
4700 KB |
Ok |
24 |
Correct |
4 ms |
4696 KB |
Ok |
25 |
Correct |
4 ms |
4700 KB |
Ok |
26 |
Correct |
4 ms |
4824 KB |
Ok |
27 |
Correct |
4 ms |
4700 KB |
Ok |
28 |
Correct |
4 ms |
4700 KB |
Ok |
29 |
Correct |
4 ms |
4700 KB |
Ok |
30 |
Correct |
4 ms |
4700 KB |
Ok |
31 |
Correct |
4 ms |
4700 KB |
Ok |
32 |
Correct |
4 ms |
4700 KB |
Ok |
33 |
Correct |
4 ms |
4700 KB |
Ok |
34 |
Correct |
6 ms |
4956 KB |
Ok |
35 |
Correct |
7 ms |
4956 KB |
Ok |
36 |
Correct |
7 ms |
4956 KB |
Ok |
37 |
Correct |
6 ms |
4956 KB |
Ok |
38 |
Correct |
7 ms |
4952 KB |
Ok |
39 |
Correct |
6 ms |
4852 KB |
Ok |
40 |
Correct |
7 ms |
4956 KB |
Ok |
41 |
Correct |
7 ms |
4956 KB |
Ok |
42 |
Correct |
6 ms |
4956 KB |
Ok |
43 |
Correct |
7 ms |
4956 KB |
Ok |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4700 KB |
Ok |
2 |
Correct |
2 ms |
4752 KB |
Ok |
3 |
Correct |
2 ms |
4752 KB |
Ok |
4 |
Correct |
2 ms |
4700 KB |
Ok |
5 |
Correct |
2 ms |
4700 KB |
Ok |
6 |
Correct |
2 ms |
4700 KB |
Ok |
7 |
Correct |
2 ms |
4700 KB |
Ok |
8 |
Correct |
2 ms |
4700 KB |
Ok |
9 |
Correct |
2 ms |
4700 KB |
Ok |
10 |
Correct |
2 ms |
4700 KB |
Ok |
11 |
Correct |
2 ms |
4700 KB |
Ok |
12 |
Correct |
2 ms |
4700 KB |
Ok |
13 |
Correct |
1 ms |
4700 KB |
Ok |
14 |
Correct |
2 ms |
4696 KB |
Ok |
15 |
Correct |
2 ms |
4744 KB |
Ok |
16 |
Correct |
2 ms |
4748 KB |
Ok |
17 |
Correct |
2 ms |
4700 KB |
Ok |
18 |
Correct |
4 ms |
4700 KB |
Ok |
19 |
Correct |
14 ms |
5468 KB |
Ok |
20 |
Correct |
7 ms |
4956 KB |
Ok |
21 |
Correct |
13 ms |
5724 KB |
Ok |
22 |
Correct |
10 ms |
5212 KB |
Ok |
23 |
Correct |
1 ms |
4700 KB |
Ok |
24 |
Correct |
1 ms |
4700 KB |
Ok |
25 |
Correct |
1 ms |
4700 KB |
Ok |
26 |
Correct |
1 ms |
4700 KB |
Ok |
27 |
Correct |
1 ms |
4564 KB |
Ok |
28 |
Correct |
1 ms |
4700 KB |
Ok |
29 |
Correct |
1 ms |
4700 KB |
Ok |
30 |
Correct |
1 ms |
4700 KB |
Ok |
31 |
Correct |
1 ms |
4700 KB |
Ok |
32 |
Correct |
1 ms |
4700 KB |
Ok |
33 |
Correct |
1 ms |
4700 KB |
Ok |
34 |
Correct |
4 ms |
4696 KB |
Ok |
35 |
Correct |
4 ms |
4700 KB |
Ok |
36 |
Correct |
4 ms |
4824 KB |
Ok |
37 |
Correct |
4 ms |
4700 KB |
Ok |
38 |
Correct |
4 ms |
4700 KB |
Ok |
39 |
Correct |
4 ms |
4700 KB |
Ok |
40 |
Correct |
4 ms |
4700 KB |
Ok |
41 |
Correct |
4 ms |
4700 KB |
Ok |
42 |
Correct |
4 ms |
4700 KB |
Ok |
43 |
Correct |
4 ms |
4700 KB |
Ok |
44 |
Correct |
6 ms |
4956 KB |
Ok |
45 |
Correct |
7 ms |
4956 KB |
Ok |
46 |
Correct |
7 ms |
4956 KB |
Ok |
47 |
Correct |
6 ms |
4956 KB |
Ok |
48 |
Correct |
7 ms |
4952 KB |
Ok |
49 |
Correct |
6 ms |
4852 KB |
Ok |
50 |
Correct |
7 ms |
4956 KB |
Ok |
51 |
Correct |
7 ms |
4956 KB |
Ok |
52 |
Correct |
6 ms |
4956 KB |
Ok |
53 |
Correct |
7 ms |
4956 KB |
Ok |
54 |
Correct |
70 ms |
9168 KB |
Ok |
55 |
Correct |
74 ms |
9420 KB |
Ok |
56 |
Correct |
74 ms |
9512 KB |
Ok |
57 |
Correct |
58 ms |
8924 KB |
Ok |
58 |
Correct |
65 ms |
8928 KB |
Ok |
59 |
Correct |
63 ms |
8912 KB |
Ok |
60 |
Correct |
55 ms |
8648 KB |
Ok |
61 |
Correct |
61 ms |
8912 KB |
Ok |
62 |
Correct |
74 ms |
9196 KB |
Ok |
63 |
Correct |
61 ms |
8876 KB |
Ok |
64 |
Correct |
73 ms |
9640 KB |
Ok |
65 |
Correct |
67 ms |
9148 KB |
Ok |
66 |
Correct |
64 ms |
9036 KB |
Ok |
67 |
Correct |
59 ms |
8804 KB |
Ok |
68 |
Correct |
64 ms |
9164 KB |
Ok |
69 |
Correct |
142 ms |
15824 KB |
Ok |
70 |
Correct |
145 ms |
16584 KB |
Ok |
71 |
Correct |
140 ms |
16076 KB |
Ok |
72 |
Correct |
141 ms |
15820 KB |
Ok |
73 |
Correct |
148 ms |
16080 KB |
Ok |
74 |
Correct |
139 ms |
15820 KB |
Ok |
75 |
Correct |
148 ms |
15308 KB |
Ok |
76 |
Correct |
145 ms |
16172 KB |
Ok |
77 |
Correct |
138 ms |
15568 KB |
Ok |
78 |
Correct |
141 ms |
15824 KB |
Ok |
79 |
Correct |
140 ms |
16072 KB |
Ok |
80 |
Correct |
137 ms |
16084 KB |
Ok |
81 |
Correct |
144 ms |
16076 KB |
Ok |
82 |
Correct |
142 ms |
16180 KB |
Ok |
83 |
Correct |
137 ms |
15568 KB |
Ok |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4700 KB |
Ok |
2 |
Correct |
2 ms |
4752 KB |
Ok |
3 |
Correct |
2 ms |
4752 KB |
Ok |
4 |
Correct |
2 ms |
4700 KB |
Ok |
5 |
Correct |
2 ms |
4700 KB |
Ok |
6 |
Correct |
2 ms |
4700 KB |
Ok |
7 |
Correct |
2 ms |
4700 KB |
Ok |
8 |
Correct |
2 ms |
4700 KB |
Ok |
9 |
Correct |
2 ms |
4700 KB |
Ok |
10 |
Correct |
2 ms |
4700 KB |
Ok |
11 |
Correct |
2 ms |
4700 KB |
Ok |
12 |
Correct |
2 ms |
4700 KB |
Ok |
13 |
Correct |
1 ms |
4700 KB |
Ok |
14 |
Correct |
2 ms |
4696 KB |
Ok |
15 |
Correct |
2 ms |
4744 KB |
Ok |
16 |
Correct |
2 ms |
4748 KB |
Ok |
17 |
Correct |
2 ms |
4700 KB |
Ok |
18 |
Correct |
4 ms |
4700 KB |
Ok |
19 |
Correct |
14 ms |
5468 KB |
Ok |
20 |
Correct |
7 ms |
4956 KB |
Ok |
21 |
Correct |
13 ms |
5724 KB |
Ok |
22 |
Correct |
10 ms |
5212 KB |
Ok |
23 |
Correct |
1 ms |
4700 KB |
Ok |
24 |
Correct |
1 ms |
4700 KB |
Ok |
25 |
Correct |
1 ms |
4700 KB |
Ok |
26 |
Correct |
1 ms |
4700 KB |
Ok |
27 |
Correct |
1 ms |
4564 KB |
Ok |
28 |
Correct |
1 ms |
4700 KB |
Ok |
29 |
Correct |
1 ms |
4700 KB |
Ok |
30 |
Correct |
1 ms |
4700 KB |
Ok |
31 |
Correct |
1 ms |
4700 KB |
Ok |
32 |
Correct |
1 ms |
4700 KB |
Ok |
33 |
Correct |
1 ms |
4700 KB |
Ok |
34 |
Correct |
2 ms |
4696 KB |
Ok |
35 |
Correct |
2 ms |
4700 KB |
Ok |
36 |
Correct |
2 ms |
4700 KB |
Ok |
37 |
Correct |
2 ms |
4700 KB |
Ok |
38 |
Correct |
2 ms |
4700 KB |
Ok |
39 |
Correct |
82 ms |
15144 KB |
Ok |
40 |
Correct |
73 ms |
17100 KB |
Ok |
41 |
Correct |
152 ms |
20164 KB |
Ok |
42 |
Correct |
106 ms |
16604 KB |
Ok |
43 |
Correct |
63 ms |
11472 KB |
Ok |
44 |
Correct |
103 ms |
18632 KB |
Ok |
45 |
Correct |
4 ms |
4696 KB |
Ok |
46 |
Correct |
4 ms |
4700 KB |
Ok |
47 |
Correct |
4 ms |
4824 KB |
Ok |
48 |
Correct |
4 ms |
4700 KB |
Ok |
49 |
Correct |
4 ms |
4700 KB |
Ok |
50 |
Correct |
4 ms |
4700 KB |
Ok |
51 |
Correct |
4 ms |
4700 KB |
Ok |
52 |
Correct |
4 ms |
4700 KB |
Ok |
53 |
Correct |
4 ms |
4700 KB |
Ok |
54 |
Correct |
4 ms |
4700 KB |
Ok |
55 |
Correct |
6 ms |
4956 KB |
Ok |
56 |
Correct |
7 ms |
4956 KB |
Ok |
57 |
Correct |
7 ms |
4956 KB |
Ok |
58 |
Correct |
6 ms |
4956 KB |
Ok |
59 |
Correct |
7 ms |
4952 KB |
Ok |
60 |
Correct |
6 ms |
4852 KB |
Ok |
61 |
Correct |
7 ms |
4956 KB |
Ok |
62 |
Correct |
7 ms |
4956 KB |
Ok |
63 |
Correct |
6 ms |
4956 KB |
Ok |
64 |
Correct |
7 ms |
4956 KB |
Ok |
65 |
Correct |
70 ms |
9168 KB |
Ok |
66 |
Correct |
74 ms |
9420 KB |
Ok |
67 |
Correct |
74 ms |
9512 KB |
Ok |
68 |
Correct |
58 ms |
8924 KB |
Ok |
69 |
Correct |
65 ms |
8928 KB |
Ok |
70 |
Correct |
63 ms |
8912 KB |
Ok |
71 |
Correct |
55 ms |
8648 KB |
Ok |
72 |
Correct |
61 ms |
8912 KB |
Ok |
73 |
Correct |
74 ms |
9196 KB |
Ok |
74 |
Correct |
61 ms |
8876 KB |
Ok |
75 |
Correct |
73 ms |
9640 KB |
Ok |
76 |
Correct |
67 ms |
9148 KB |
Ok |
77 |
Correct |
64 ms |
9036 KB |
Ok |
78 |
Correct |
59 ms |
8804 KB |
Ok |
79 |
Correct |
64 ms |
9164 KB |
Ok |
80 |
Correct |
142 ms |
15824 KB |
Ok |
81 |
Correct |
145 ms |
16584 KB |
Ok |
82 |
Correct |
140 ms |
16076 KB |
Ok |
83 |
Correct |
141 ms |
15820 KB |
Ok |
84 |
Correct |
148 ms |
16080 KB |
Ok |
85 |
Correct |
139 ms |
15820 KB |
Ok |
86 |
Correct |
148 ms |
15308 KB |
Ok |
87 |
Correct |
145 ms |
16172 KB |
Ok |
88 |
Correct |
138 ms |
15568 KB |
Ok |
89 |
Correct |
141 ms |
15824 KB |
Ok |
90 |
Correct |
140 ms |
16072 KB |
Ok |
91 |
Correct |
137 ms |
16084 KB |
Ok |
92 |
Correct |
144 ms |
16076 KB |
Ok |
93 |
Correct |
142 ms |
16180 KB |
Ok |
94 |
Correct |
137 ms |
15568 KB |
Ok |
95 |
Correct |
177 ms |
14988 KB |
Ok |
96 |
Correct |
230 ms |
19392 KB |
Ok |
97 |
Correct |
230 ms |
17600 KB |
Ok |
98 |
Correct |
177 ms |
18620 KB |
Ok |
99 |
Correct |
219 ms |
15808 KB |
Ok |
100 |
Correct |
227 ms |
15956 KB |
Ok |
101 |
Correct |
213 ms |
19392 KB |
Ok |
102 |
Correct |
214 ms |
17008 KB |
Ok |
103 |
Correct |
208 ms |
19136 KB |
Ok |
104 |
Correct |
258 ms |
19652 KB |
Ok |
105 |
Correct |
232 ms |
20416 KB |
Ok |
106 |
Correct |
200 ms |
19512 KB |
Ok |
107 |
Correct |
231 ms |
19776 KB |
Ok |
108 |
Correct |
257 ms |
19904 KB |
Ok |
109 |
Correct |
229 ms |
19908 KB |
Ok |
110 |
Correct |
656 ms |
48576 KB |
Ok |
111 |
Correct |
684 ms |
51240 KB |
Ok |
112 |
Correct |
648 ms |
51444 KB |
Ok |
113 |
Correct |
660 ms |
50624 KB |
Ok |
114 |
Correct |
632 ms |
52672 KB |
Ok |
115 |
Correct |
670 ms |
50624 KB |
Ok |
116 |
Correct |
647 ms |
51604 KB |
Ok |
117 |
Correct |
680 ms |
50112 KB |
Ok |
118 |
Correct |
654 ms |
50000 KB |
Ok |
119 |
Correct |
694 ms |
50556 KB |
Ok |
120 |
Correct |
644 ms |
49704 KB |
Ok |
121 |
Correct |
671 ms |
49088 KB |
Ok |
122 |
Correct |
675 ms |
50988 KB |
Ok |
123 |
Correct |
685 ms |
51236 KB |
Ok |
124 |
Correct |
657 ms |
49088 KB |
Ok |
125 |
Correct |
469 ms |
33548 KB |
Ok |