func_code_string: #include <bits/stdc++.h>   using namespace std;   int const N = 3e5;   int n, p1[N], p2[N], p3[N], num1[N], num2[N], F[N][2], T[N * 4];   void buildT(int v, int tl, int tr) {     if (tl == tr) {       T[v] = 1;     } else {       int tm = (tl + tr) / 2;       buildT(v * 2, tl, tm);       buildT(v * 2 + 1, tm + 1, tr);       T[v] = T[v * 2] + T[v * 2 + 1];     }   }   void updT(int v, int tl, int tr, int p) {     if (tl == tr) {       T[v] = 0;     } else {       int tm = (tl + tr) / 2;       if (tm >= p)         updT(v * 2, tl, tm, p);       else         updT(v * 2 + 1, tm + 1, tr, p);       T[v] = T[v * 2] + T[v * 2 + 1];     }   }   int getT(int v, int tl, int tr, int k) {     if (tl == tr) {       return tl;     } else {       int tm = (tl + tr) / 2;       if (T[v * 2] >= k)         return getT(v * 2, tl, tm, k);       else         return getT(v * 2 + 1, tm + 1, tr, k - T[v * 2]);     }   }   void upd(int x, int t) {     while (x < n) {       ++F[x][t];       x |= (x + 1);     }   }   int get(int x, int t) {     int r = 0;     while (x >= 0) {       r += F[x][t];       x = (x & (x + 1)) - 1;     }     return r;   }   int main() {     scanf( %d , &n);     for (int i = 0; i < n; ++i) scanf( %d , &p1[i]);     for (int i = 0; i < n; ++i) scanf( %d , &p2[i]);     for (int i = 0; i < n; ++i) {       num1[i] = p1[i] - get(p1[i], 0);       upd(p1[i] + 1, 0);       num2[i] = p2[i] - get(p2[i], 1);       upd(p2[i] + 1, 1);     }     for (int i = n - 1; i >= 0; --i) {       num1[i] += num2[i];       if (i) num1[i - 1] += num1[i] / (n - i);       num1[i] %= (n - i);     }     buildT(1, 0, n - 1);     for (int i = 0; i < n; ++i) {       int need = num1[i] + 1;       int val = getT(1, 0, n - 1, need);       p3[i] = val;       updT(1, 0, n - 1, val);     }     for (int i = 0; i < n; ++i) printf( %d  , p3[i]);     return 0;   }   