#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i < (b); i++) #define all(x) begin(x), end(x) #define sz(x) int((x).size()) using ll = long long; using pii = pair<int, int>; using vi = vector<int>; #ifdef LOCAL auto operator<<(auto& o, auto x) -> decltype(x.first, o); auto operator<<(auto& o, auto x) -> decltype(x.end(), o) { o << "{"; for (int i = 0; auto y : x) o << ", " + !i++ * 2 << y; return o << "}"; } auto operator<<(auto& o, auto x) -> decltype(x.first, o) { return o << "(" << x.first << ", " << x.second << ")"; } void __print(auto... x) { ((cerr << x << " "), ...) << endl; } #define debug(x...) __print("[" #x "]:", x) #else #define debug(...) 2137 #endif const int nax = 50001; int main() { cin.tie(0)->sync_with_stdio(0); int n, m; cin >> n >> m; vector<int> u(n + 1), trg(n + 1); for(int i = 0; i < m; i++) { int x; cin >> x; trg[x] = 1; } u[n] = 1; vector<array<int, 3>> ans; for(int i = 1; i <= n; i++) { if(u[i] != trg[i]) { if(trg[i]) { ans.push_back({1, n + ans.size(), i}); for(int j = i; j <= n; j += i) u[j] = 1; } else { ans.push_back({3, i, 0}); ans.push_back({2, n + ans.size() - 1, n + ans.size()}); for(int j = i; j <= n; j += i) u[j] = 0; } } } cout << ans.size() << endl; for(int i = 0; i < ans.size(); i++) { cout << ans[i][0] << " " << ans[i][1]; if(ans[i][0] < 3) cout << " " << ans[i][2]; cout << '\n'; } }
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 | #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i < (b); i++) #define all(x) begin(x), end(x) #define sz(x) int((x).size()) using ll = long long; using pii = pair<int, int>; using vi = vector<int>; #ifdef LOCAL auto operator<<(auto& o, auto x) -> decltype(x.first, o); auto operator<<(auto& o, auto x) -> decltype(x.end(), o) { o << "{"; for (int i = 0; auto y : x) o << ", " + !i++ * 2 << y; return o << "}"; } auto operator<<(auto& o, auto x) -> decltype(x.first, o) { return o << "(" << x.first << ", " << x.second << ")"; } void __print(auto... x) { ((cerr << x << " "), ...) << endl; } #define debug(x...) __print("[" #x "]:", x) #else #define debug(...) 2137 #endif const int nax = 50001; int main() { cin.tie(0)->sync_with_stdio(0); int n, m; cin >> n >> m; vector<int> u(n + 1), trg(n + 1); for(int i = 0; i < m; i++) { int x; cin >> x; trg[x] = 1; } u[n] = 1; vector<array<int, 3>> ans; for(int i = 1; i <= n; i++) { if(u[i] != trg[i]) { if(trg[i]) { ans.push_back({1, n + ans.size(), i}); for(int j = i; j <= n; j += i) u[j] = 1; } else { ans.push_back({3, i, 0}); ans.push_back({2, n + ans.size() - 1, n + ans.size()}); for(int j = i; j <= n; j += i) u[j] = 0; } } } cout << ans.size() << endl; for(int i = 0; i < ans.size(); i++) { cout << ans[i][0] << " " << ans[i][1]; if(ans[i][0] < 3) cout << " " << ans[i][2]; cout << '\n'; } } |