99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
#include <bits/stdc++.h>
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using namespace std;
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struct node {int l, r, res = 0, h;};
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const int N = 1e6 + 7;
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int n, m, k, h[N], t[N];
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vector<node> tr[N * 4];
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bool operator<(const node &a, const node &b) { return a.h < b.h; }
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node operator+(const node &a, const node &b)
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{
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if (!a.res)
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return b;
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if (!b.res)
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return a;
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node ret;
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ret.h = max(a.h, b.h), ret.l = a.l, ret.r = b.r;
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ret.res = a.res + b.res - ((a.r == b.l)?1:0);
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return ret;
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}
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void pu(int p)
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{
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int t1 = 0, t2 = 0;
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while (t1 < (int)tr[p << 1].size() || t2 < (int)tr[p << 1 | 1].size())
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{
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if (t2 == (int)tr[p << 1 | 1].size() || (t1 < (int)tr[p << 1].size() && tr[p << 1][t1] < tr[p << 1 | 1][t2]))
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{
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if (t2)
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tr[p].push_back(tr[p << 1][t1++] + tr[p << 1 | 1][t2 - 1]);
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else
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tr[p].push_back(tr[p << 1][t1++]);
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}
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else
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{
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if (t1)
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tr[p].push_back(tr[p << 1][t1 - 1] + tr[p << 1 | 1][t2++]);
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else
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tr[p].push_back(tr[p << 1 | 1][t2++]);
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}
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}
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}
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void add(int p, int l, int r, int pos, int h, int t)
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{
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if (l == r)
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{
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tr[p].push_back({t, t, 1, h});
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return;
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}
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int mid = (l + r) >> 1;
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if (pos <= mid)
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add(p << 1, l, mid, pos, h, t);
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else
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add(p << 1 | 1, mid + 1, r, pos, h, t);
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if (r == pos)
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pu(p);
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}
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node qu(int p, int l, int r, int lq, int rq, int h)
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{
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if (lq <= l && rq >= r)
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{
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if (tr[p][0].h > h)
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return node{0, 0, 0, 0};
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int pos = upper_bound(tr[p].begin(), tr[p].end(), node{0, 0, 0, h}) - tr[p].begin() - 1;
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return tr[p][pos];
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}
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int mid = (l + r) >> 1;
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if (rq <= mid)
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return qu(p << 1, l, mid, lq, rq, h);
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if (lq > mid)
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return qu(p << 1 | 1, mid + 1, r, lq, rq, h);
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return qu(p << 1, l, mid, lq, rq, h) + qu(p << 1 | 1, mid + 1, r, lq, rq, h);
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}
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signed main()
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{
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scanf("%d%d%d", &n, &m, &k);
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for (int i = 1; i <= n; i++)
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scanf("%d", &h[i]);
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for (int i = 1; i <= n; i++)
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scanf("%d", &t[i]);
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for (int i = 1; i <= n; i++)
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add(1, 1, n + m, i, h[i], t[i]);
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int lst = 0, cnt = n;
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int l, r, x, y;
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for(int i = 1; i <= m; ++i)
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{
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int op;
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scanf("%d", &op);
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if (op == 1)
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{
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scanf("%d%d%d", &l, &r, &x), l ^= k * lst, r ^= k * lst, x ^= k * lst;
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lst = qu(1, 1, n + m, l, r, x).res;
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printf("%d\n", lst);
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}
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else
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{
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scanf("%d%d", &x, &y), x ^= k * lst, y ^= k * lst;
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add(1, 1, n + m, ++cnt, x, y);
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}
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}
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return 0;
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} |