1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned int uint;

int n, s, m, idx;
bitset<50001> b, b1;
string odp;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> s;
    for (int i = 0; i < s; i++)
    {
        cin >> m;
        b[m] = true;
    }
    idx = n+1;
    odp += "3 1\n";
    idx++;
    for (int i = 1; i <= n; i++)
    {
        if (b[i] == b1[i]) continue;
        if (b[i])
        {
            odp += "1 " + to_string(idx-1) + " " + to_string(i) + "\n";
            idx++;
            for (int j = i; j <= n; j += i)
                b1[j] = true;
        }
        else
        {
            odp += "3 " + to_string(i) + "\n";
            idx++;
            odp += "2 " + to_string(idx-2) + " " + to_string(idx-1) + "\n";
            idx++;
            for (int j = i; j <= n; j += i)
                b1[j] = false;
        }
    }
    cout << idx-n-1 << '\n' << odp;

    return 0;
}