func_code_string: #include <bits/stdc++.h>   using namespace std;   class opr {    public:     int q;     int w;     opr *pNext;     opr *pLost;   };   opr *pHead = 0;   opr *pTail = 0;   opr *pN = 0;   void addvalue(int e, int r) {     opr *p = new opr;     if (pHead == 0) {       p->q = e;       p->w = r;       p->pNext = 0;       p->pLost = 0;       pHead = p;       pTail = p;       pN = p;     } else {       p->q = e;       p->w = r;       p->pLost = pN;       p->pNext = 0;       pN->pNext = p;       pN = p;       pTail = p;     }   }   void resilt() {     pN = pHead;     while (pN != 0) {       cout << pN->q <<     << pN->w << endl;       pN = pN->pNext;     }   }   int main() {     int n;     cin >> n;     int *old = new int[n];     int *nw = new int[n];     for (int i = 0; i < n; i++) cin >> old[i];     for (int i = 0; i < n; i++) cin >> nw[i];     int sum = 0;     for (int i = 0; i < n; i++) {       if (old[i] != nw[i]) {         int k = i + 1;         while (old[i] != nw[k]) k++;         addvalue(k - 1 + 1, k + 1);         int temp = nw[k];         nw[k] = nw[k - 1];         nw[k - 1] = temp;         sum++;         if ((k - 1) != i) i--;       }     }     cout << sum << endl;     resilt();     return 0;   }   