func_code_string: #include <bits/stdc++.h>   #pragma comment(linker,  /STACK:256000000 )   using namespace std;   const int maxN = 80;   long long f[maxN];   int d[maxN];   const int maxD = 1000;   const int K = 13;   int dp[maxD][maxD];   bool filled = false;   pair<int, int> get(int order, long long x) {     if (order == K && filled) {       return make_pair(dp[x][1], dp[x][f[K]]);     }     if (order == 0) {       return make_pair(0, 0);     }     if (order == 1) {       return make_pair(x != 1, x != 2);     }     if (x > f[order - 1]) {       int add = 0;       while (order > 1 && x > f[order - 1]) {         x -= f[order - 1];         order -= 2;         ++add;       }       pair<int, int> current = get(order, x);       return make_pair(current.first + add, current.second);     }     pair<int, int> current = get(order - 1, x);     int toOne = min(current.first, current.second + 2);     int toN = min(current.first, current.second) + 1 + d[order - 2];     return make_pair(toOne, toN);   }   int calc(int order, long long x, long long y) {     if (order == K && filled) {       return dp[x][y];     }     if (x == y) {       return 0;     }     if (x > y) {       swap(x, y);     }     if (order == 1) {       return x != y;     }     if (order == 0) {       return 0;     }     if (f[order - 1] >= y) {       pair<int, int> a = get(order - 1, x);       pair<int, int> b = get(order - 1, y);       int score = min(a.first + b.second, a.second + b.first) + 2;       return min(score, calc(order - 1, x, y));     }     if (x > f[order - 1]) {       while (order > 1 && x > f[order - 1]) {         x -= f[order - 1];         y -= f[order - 1];         order -= 2;       }       return calc(order, x, y);     }     pair<int, int> a = get(order - 2, y - f[order - 1]);     pair<int, int> b = get(order - 1, x);     return min(b.first, b.second) + 1 + a.first;   }   void gen() {     int t = 100000;     int n = 1000;     cout << t <<     << n << endl;     for (int i = 0; i < t; ++i) {       long long x = 1LL * rand() * rand() * rand() + 1LL;       long long y = 1LL * rand() * rand() * rand() + 1LL;       cout << x <<     << y << endl;     }   }   int main() {     f[0] = 1;     f[1] = 2;     for (int i = 2; i < maxN; ++i) {       f[i] = f[i - 1] + f[i - 2];     }     d[0] = 0;     d[1] = 1;     for (int i = 2; i < maxN; ++i) {       d[i] = d[i - 2] + 1;     }     for (int i = 1; i <= f[K]; ++i) {       for (int j = i; j <= f[K]; ++j) {         dp[i][j] = dp[j][i] = calc(K, i, j);       }     }     cerr << clock() << endl;     filled = true;     int t, n;     scanf( %d%d , &t, &n);     if (n >= maxN) {       n = maxN - 1;     }     for (int i = 1; i <= t; ++i) {       long long u, v;       scanf( %I64d%I64d , &u, &v);       if (u > v) {         swap(u, v);       }       int m = n;       while (m > 20 && f[m - 5] >= v) {         --m;       }       printf( %d n , calc(m, u, v));     }     cerr << clock() << endl;     return 0;   }   