_bzoj1503 [NOI2004] Depressed Teller "Splay"

Portal: http://www.lydsy.com/JudgeOnline/problem.php?id=1503

Employees who leave because the initial wage does not meet the lower limit are not counted in the number of departures ... The pit Daddy ...

Then it is time to write kth, forget to consider the value of the current node may appear more than once ...

#include <cstdio>const int maxn = 100005;int N, min_salary, Zengl, root, cnt = 1, T1, Leave;int ch[maxn][2], FA[MAXN ], SIZ[MAXN], KEY[MAXN], Tm[maxn];char opr;inline void pushup (int x) {siz[x] = Siz[ch[x][0]] + siz[ch[x][1]] + tm[x];} inline void rotate (int x) {int y = fa[x];if (y = = Ch[fa[y]][0]) {ch[fa[y]][0] = x;} else {ch[fa[y]][1] = x;} Fa[x] = Fa[y];int dir = x = = Ch[y][1];ch[y][dir] = ch[x][dir ^ 1];fa[ch[x][dir ^ 1]] = y;ch[x][dir ^ 1] = Y;fa[y] = X;push Up (y);p ushup (x);} inline void splay (int x) {int P;char Flag1, flag2;while (Fa[x]) {p = fa[x];if (!fa[p]) {rotate (x);} else {Flag1 = p = = Ch[fa[p]][1];flag2 = x = = Ch[p][1];if (flag1 ^ flag2) {rotate (x);} else {rotate (p);} Rotate (x);}} root = x;} inline int Houji (int val) {int rt = 0, x = Root;while (x && val! = key[x] + Zengl) {if (Val < key[x] + Zengl) { RT = X;x = Ch[x][0];} else {x = ch[x][1];}} return x? X:rt;} BOOL ist (int x, int val, int p, int dir) {if (!x) {++cnt;key[cnt] = val-zengl;tm[cnt] = 1;siz[cnt] = 1;FA[CNT] = P;ch[p][dir] = Cnt;return true;} if (val = = Key[x] + Zengl) {++tm[x];++siz[x];return false;} int d = val > key[x] + zengl;bool RT = IST (Ch[x][d], Val, X, D);p ushup (x); return RT;} inline int kth (int k) {int x = Root;while (k > siz[ch[x][1]] + tm[x] | | k <= SIZ[CH[X][1]]) {if (K > Siz[ch[x][1] ] + tm[x]) {k-= siz[ch[x][1]] + tm[x];x = ch[x][0];} else {x = ch[x][1];}} return key[x] + Zengl;} int main (void) {//freopen ("In.txt", "R", stdin), scanf ("%d%d", &n, &min_salary); key[1] = 2000000000;siz[1] = 1;tm [1] = 1;root = 1;while (n--) {while ((OPR = GetChar ()) < ' A '), scanf ("%d", &t1), if (OPR = = ' I ') {if (T1 >= Min_sa Lary && ist (root, T1, 0, 0)) {splay (CNT);}} else if (OPR = = ' a ' | | opr = = ' S ') {Zengl + = (OPR = = ' A '? T1:-t1); Splay (Houji (min_salary)); leave + = Siz[ch[root][0]];ch[r Oot][0] = 0;pushup (root);} else {printf ("%d\n", T1 > Siz[root]-1 -1:kth (t1 + 1));}} printf ("%d\n", leave); return 0;}

　　

_bzoj1503 [NOI2004] Depressed Teller "Splay"