#include<cstdio>
#include<iostream>
#include<algorithm>
#include<string>
#include<vector>
#include<cmath>
#include<queue>
#include<queue>
#include<stack>
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef long long LL;
typedef unsigned long long ULL;
typedef long double LD;
typedef pair<int, int> PII;
typedef pair<LL, LL> PLL;
typedef vector<LL> VLL;
typedef vector<LD> VLD;
typedef vector<VLL > VVLL;
typedef vector<VLD > VVLD;
typedef vector<PII > VPII;
typedef __int128 int128;
template<class TIn>
using indexed_set = tree<
TIn, null_type, less<TIn>,
rb_tree_tag, tree_order_statistics_node_update>;
template<class T> using min_heap = priority_queue<T, vector<T>, greater<T>>;
#define FOR(x, b, e) for(int x=b; x<=(e); ++x)
#define FORD(x, b, e) for(int x=b; x>=(e); --x)
#define REP(x, n) for(int x=0; x<(n); ++x)
#define VAR(v, n) __typeof(n) v = (n)
#define ALL(c) (c).begin(), (c).end()
#define SIZE(x) ((int)(x).size())
#define FOREACH(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i)
#define PB push_back
#define ST first
#define ND second
#define THIS (*this)
#define LSB(x) (x & -x)
#define SQR(x) ((x)*(x))
const int INF = 1e9;
int getMin(set<int> &s) {
if (s.empty()) return INF;
return *s.begin();
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(NULL); cout.tie(NULL);
int n, s;
cin >> n >> s;
set<int> cs, ts;
REP(i, s) {
int b; cin >> b;
ts.insert(b);
}
int i = getMin(ts);
ts.erase(i);
int x = i + i;
while (x <= n) {
cs.insert(x);
x += i;
}
VI t;
VPII p;
while (!ts.empty() || !cs.empty()) {
int cm = getMin(cs);
int tm = getMin(ts);
if (cm == tm) {
cs.erase(cm);
ts.erase(tm);
} else if (tm < cm) {
t.PB(1);
p.PB({i, tm});
i = p.size() + n;
x = tm + tm;
while (x <= n) {
cs.insert(x);
x += tm;
}
ts.erase(tm);
} else {
t.PB(3);
p.PB({cm, 0});
t.PB(2);
p.PB({p.size() + n, i});
i = p.size() + n;
x = cm;
while (x <= n) {
cs.erase(x);
x += cm;
}
}
}
cout << t.size() << '\n';
REP(i, t.size()) {
cout << t[i] << ' ';
if (t[i] == 3) cout << p[i].ST << '\n';
else cout << p[i].ST << ' ' << p[i].ND << '\n';
}
return 0;
}
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 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | #include<cstdio> #include<iostream> #include<algorithm> #include<string> #include<vector> #include<cmath> #include<queue> #include<queue> #include<stack> #include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef vector<int> VI; typedef vector<VI> VVI; typedef long long LL; typedef unsigned long long ULL; typedef long double LD; typedef pair<int, int> PII; typedef pair<LL, LL> PLL; typedef vector<LL> VLL; typedef vector<LD> VLD; typedef vector<VLL > VVLL; typedef vector<VLD > VVLD; typedef vector<PII > VPII; typedef __int128 int128; template<class TIn> using indexed_set = tree< TIn, null_type, less<TIn>, rb_tree_tag, tree_order_statistics_node_update>; template<class T> using min_heap = priority_queue<T, vector<T>, greater<T>>; #define FOR(x, b, e) for(int x=b; x<=(e); ++x) #define FORD(x, b, e) for(int x=b; x>=(e); --x) #define REP(x, n) for(int x=0; x<(n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int)(x).size()) #define FOREACH(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define PB push_back #define ST first #define ND second #define THIS (*this) #define LSB(x) (x & -x) #define SQR(x) ((x)*(x)) const int INF = 1e9; int getMin(set<int> &s) { if (s.empty()) return INF; return *s.begin(); } int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); int n, s; cin >> n >> s; set<int> cs, ts; REP(i, s) { int b; cin >> b; ts.insert(b); } int i = getMin(ts); ts.erase(i); int x = i + i; while (x <= n) { cs.insert(x); x += i; } VI t; VPII p; while (!ts.empty() || !cs.empty()) { int cm = getMin(cs); int tm = getMin(ts); if (cm == tm) { cs.erase(cm); ts.erase(tm); } else if (tm < cm) { t.PB(1); p.PB({i, tm}); i = p.size() + n; x = tm + tm; while (x <= n) { cs.insert(x); x += tm; } ts.erase(tm); } else { t.PB(3); p.PB({cm, 0}); t.PB(2); p.PB({p.size() + n, i}); i = p.size() + n; x = cm; while (x <= n) { cs.erase(x); x += cm; } } } cout << t.size() << '\n'; REP(i, t.size()) { cout << t[i] << ' '; if (t[i] == 3) cout << p[i].ST << '\n'; else cout << p[i].ST << ' ' << p[i].ND << '\n'; } return 0; } |
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