李超树模板,细节有点多。。
// powered by c++11
// by Isaunoya
#include <bits/stdc++.h>
#define rep(i, x, y) for (register int i = (x); i <= (y); ++i)
#define Rep(i, x, y) for (register int i = (x); i >= (y); --i)
using namespace std;
using db = double;
using ll = long long;
using uint = unsigned int;
using ull = unsigned long long;
#define pii pair<int, int>
#define fir first
#define sec second
template <class T>
void cmax(T& x, const T& y) {
if (x < y) x = y;
}
template <class T>
void cmin(T& x, const T& y) {
if (x > y) x = y;
}
#define all(v) v.begin(), v.end()
#define sz(v) ((int)v.size())
#define pb emplace_back
template <class T>
void sort(vector<T>& v) {
sort(all(v));
}
template <class T>
void reverse(vector<T>& v) {
reverse(all(v));
}
template <class T>
void unique(vector<T>& v) {
sort(all(v)), v.erase(unique(all(v)), v.end());
}
void reverse(string& s) { reverse(s.begin(), s.end()); }
const int io_size = 1 << 23 | 233;
const int io_limit = 1 << 22;
struct io_in {
char ch;
#ifndef __WIN64
char getchar() {
static char buf[io_size], *p1 = buf, *p2 = buf;
return (p1 == p2) && (p2 = (p1 = buf) + fread(buf, 1, io_size, stdin), p1 == p2) ? EOF : *p1++;
}
#endif
io_in& operator>>(char& c) {
for (c = getchar(); isspace(c); c = getchar())
;
return *this;
}
io_in& operator>>(string& s) {
for (s.clear(); isspace(ch = getchar());)
;
if (!~ch) return *this;
for (s = ch; !isspace(ch = getchar()) && ~ch; s += ch)
;
return *this;
}
io_in& operator>>(char* str) {
char* cur = str;
while (*cur) *cur++ = 0;
for (cur = str; isspace(ch = getchar());)
;
if (!~ch) return *this;
for (*cur = ch; !isspace(ch = getchar()) && ~ch; *++cur = ch)
;
return *++cur = 0, *this;
}
template <class T>
void read(T& x) {
bool f = 0;
while ((ch = getchar()) < 48 && ~ch) f ^= (ch == 45);
x = ~ch ? (ch ^ 48) : 0;
while ((ch = getchar()) > 47) x = x * 10 + (ch ^ 48);
x = f ? -x : x;
}
io_in& operator>>(int& x) { return read(x), *this; }
io_in& operator>>(ll& x) { return read(x), *this; }
io_in& operator>>(uint& x) { return read(x), *this; }
io_in& operator>>(ull& x) { return read(x), *this; }
io_in& operator>>(db& x) {
read(x);
bool f = x < 0;
x = f ? -x : x;
if (ch ^ '.') return *this;
double d = 0.1;
while ((ch = getchar()) > 47) x += d * (ch ^ 48), d *= .1;
return x = f ? -x : x, *this;
}
} in;
struct io_out {
char buf[io_size], *s = buf;
int pw[233], st[233];
io_out() {
set(7);
rep(i, pw[0] = 1, 9) pw[i] = pw[i - 1] * 10;
}
~io_out() { flush(); }
void io_chk() {
if (s - buf > io_limit) flush();
}
void flush() { fwrite(buf, 1, s - buf, stdout), fflush(stdout), s = buf; }
io_out& operator<<(char c) { return *s++ = c, *this; }
io_out& operator<<(string str) {
for (char c : str) *s++ = c;
return io_chk(), *this;
}
io_out& operator<<(char* str) {
char* cur = str;
while (*cur) *s++ = *cur++;
return io_chk(), *this;
}
template <class T>
void write(T x) {
if (x < 0) *s++ = '-', x = -x;
do {
st[++st[0]] = x % 10, x /= 10;
} while (x);
while (st[0]) *s++ = st[st[0]--] ^ 48;
}
io_out& operator<<(int x) { return write(x), io_chk(), *this; }
io_out& operator<<(ll x) { return write(x), io_chk(), *this; }
io_out& operator<<(uint x) { return write(x), io_chk(), *this; }
io_out& operator<<(ull x) { return write(x), io_chk(), *this; }
int len, lft, rig;
void set(int _length) { len = _length; }
io_out& operator<<(db x) {
bool f = x < 0;
x = f ? -x : x, lft = x, rig = 1. * (x - lft) * pw[len];
return write(f ? -lft : lft), *s++ = '.', write(rig), io_chk(), *this;
}
} out;
#define int long long
template <int sz, int mod>
struct math_t {
math_t() {
fac.resize(sz + 1), ifac.resize(sz + 1);
rep(i, fac[0] = 1, sz) fac[i] = fac[i - 1] * i % mod;
ifac[sz] = inv(fac[sz]);
Rep(i, sz - 1, 0) ifac[i] = ifac[i + 1] * (i + 1) % mod;
}
vector<int> fac, ifac;
int qpow(int x, int y) {
int ans = 1;
for (; y; y >>= 1, x = x * x % mod)
if (y & 1) ans = ans * x % mod;
return ans;
}
int inv(int x) { return qpow(x, mod - 2); }
int C(int n, int m) {
if (n < 0 || m < 0 || n < m) return 0;
return fac[n] * ifac[m] % mod * ifac[n - m] % mod;
}
};
int gcd(int x, int y) { return !y ? x : gcd(y, x % y); }
int lcm(int x, int y) { return x * y / gcd(x, y); }
int n, m, ans;
const int maxn = 1e5 + 51;
const double eps = 1e-8;
int a[maxn], f[maxn];
struct Line {
double k, b;
inline double val(double x) { return k * x + b; }
} s[maxn];
struct SMT {
int f[maxn << 2];
void mdf(int ql, int qr, int l, int r, int p, int x) {
int mid = l + r >> 1;
if (ql <= l && r <= qr) {
int y = f[p];
if (y == 0) {
f[p] = x;
return;
}
double lx, ly, rx, ry;
lx = s[x].val(l), rx = s[x].val(r);
ly = s[y].val(l), ry = s[y].val(r);
if (abs(lx - ly) <= eps && abs(rx - ry) <= eps) {
f[p] = min(x, y);
return;
}
if (lx <= ly && rx <= ry) {
return;
}
if (lx >= ly && rx >= ry) {
f[p] = x;
return;
}
double midx = s[x].val(mid), midy = s[y].val(mid);
if (abs(midx - midy) <= eps) {
f[p] = min(x, y), x = max(x, y);
} else if (midx >= midy) {
f[p] = x, x = y, swap(lx, ly), swap(rx, ry);
}
if (lx >= ly)
mdf(ql, qr, l, mid, p << 1, x);
else
mdf(ql, qr, mid + 1, r, p << 1 | 1, x);
return;
}
if (ql <= mid) mdf(ql, qr, l, mid, p << 1, x);
if (qr > mid) mdf(ql, qr, mid + 1, r, p << 1 | 1, x);
}
int qry(int p, int l, int r, int pos) {
if (l == r) return f[p];
int mid = l + r >> 1;
int x, y = f[p];
if (pos <= mid)
x = qry(p << 1, l, mid, pos);
else
x = qry(p << 1 | 1, mid + 1, r, pos);
if (x == 0 || y == 0) return x + y;
double valx = s[x].val(pos);
double valy = s[y].val(pos);
if (abs(valx - valy) <= eps) {
return min(x, y);
}
return (valx >= valy) ? x : y;
}
} smt;
signed main() {
// code begin.
memset(a, 128, sizeof(a));
n = 1;
in >> m;
while (m--) {
int op;
in >> op;
if (op == 1) {
int sx, sy, tx, ty;
in >> sx >> sy >> tx >> ty;
sx = (sx + ans - 1) % 39989;
sy = (sy + ans - 1) % 1000000000;
tx = (tx + ans - 1) % 39989;
ty = (ty + ans - 1) % 1000000000;
if (sx == tx) {
if (a[sx] < max(sy, ty)) {
a[sx] = max(sy, ty), f[sx] = n;
}
} else {
if (sx > tx) {
sx ^= tx ^= sx ^= tx, sy ^= ty ^= sy ^= ty;
}
s[n].k = 1.0 * (ty - sy) / (tx - sx);
s[n].b = sy - s[n].k * sx;
smt.mdf(sx, tx, 0, 4e4, 1, n);
}
++n;
} else {
int x;
in >> x;
x = (x + ans - 1) % 39989;
ans = smt.qry(1, 0, 4e4, x);
if (ans == 0) {
ans = f[x];
} else if (abs(s[ans].val(x) - a[x]) <= eps) {
ans = min(ans, f[x]);
} else {
ans = s[ans].val(x) >= a[x] ? ans : f[x];
}
out << ans << '\n';
}
}
return 0;
// code end.
}