#include <bits/stdc++.h> using namespace std; #define ALL(x) (x).begin(), (x).end() template<class C> void mini(C &a5, C b5) { a5 = min(a5, b5); } template<class C> void maxi(C &a5, C b5) { a5 = max(a5, b5); } #ifdef LOCAL const bool debug = true; #else const bool debug = false; #define cerr if (true) {} else cout #endif #define int long long #define double long double const int INF = 1e18; const int mod = 1e9 + 7; int n = 1; pair<int, int> kra[1001000]; void algo(int k) { if (k == 1) return; kra[n] = {n + 1, -1 - k % 2}; n++; kra[n] = {n + 1, n + 2}; n++; kra[n] = {n + 1, -1}; n++; algo(k / 2); } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); int k; cin >> k; algo(k); kra[n] = {n + 1, -1}; n++; kra[n] = {-1, -1}; cout << n << "\n"; for (int i = 1; i <= n; i++) { if (kra[i].first == -2) kra[i].first = n; if (kra[i].second == -2) kra[i].second = n; cout << kra[i].first << " " << kra[i].second << "\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 | #include <bits/stdc++.h> using namespace std; #define ALL(x) (x).begin(), (x).end() template<class C> void mini(C &a5, C b5) { a5 = min(a5, b5); } template<class C> void maxi(C &a5, C b5) { a5 = max(a5, b5); } #ifdef LOCAL const bool debug = true; #else const bool debug = false; #define cerr if (true) {} else cout #endif #define int long long #define double long double const int INF = 1e18; const int mod = 1e9 + 7; int n = 1; pair<int, int> kra[1001000]; void algo(int k) { if (k == 1) return; kra[n] = {n + 1, -1 - k % 2}; n++; kra[n] = {n + 1, n + 2}; n++; kra[n] = {n + 1, -1}; n++; algo(k / 2); } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); int k; cin >> k; algo(k); kra[n] = {n + 1, -1}; n++; kra[n] = {-1, -1}; cout << n << "\n"; for (int i = 1; i <= n; i++) { if (kra[i].first == -2) kra[i].first = n; if (kra[i].second == -2) kra[i].second = n; cout << kra[i].first << " " << kra[i].second << "\n"; } return 0; }/* */ |