File size: 4,445 Bytes
f96d8dd |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 |
// Log Drivin' Hirin'
// Solution by Jacob Plachta
#include <algorithm>
#include <functional>
#include <numeric>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <complex>
#include <cstdlib>
#include <ctime>
#include <cstring>
#include <cassert>
#include <string>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <deque>
#include <queue>
#include <stack>
#include <bitset>
#include <sstream>
using namespace std;
#define LL long long
#define LD long double
#define PR pair<int,int>
#define Fox(i,n) for (i=0; i<n; i++)
#define Fox1(i,n) for (i=1; i<=n; i++)
#define FoxI(i,a,b) for (i=a; i<=b; i++)
#define FoxR(i,n) for (i=(n)-1; i>=0; i--)
#define FoxR1(i,n) for (i=n; i>0; i--)
#define FoxRI(i,a,b) for (i=b; i>=a; i--)
#define Foxen(i,s) for (i=s.begin(); i!=s.end(); i++)
#define Min(a,b) a=min(a,b)
#define Max(a,b) a=max(a,b)
#define Sz(s) int((s).size())
#define All(s) (s).begin(),(s).end()
#define Fill(s,v) memset(s,v,sizeof(s))
#define pb push_back
#define mp make_pair
#define x first
#define y second
template<typename T> T Abs(T x) { return(x < 0 ? -x : x); }
template<typename T> T Sqr(T x) { return(x * x); }
string plural(string s) { return(Sz(s) && s[Sz(s) - 1] == 'x' ? s + "en" : s + "s"); }
const int INF = (int)1e9;
const LD EPS = 1e-12;
const LD PI = acos(-1.0);
#define GETCHAR getchar_unlocked
bool Read(int& x) {
char c, r = 0, n = 0;
x = 0;
for (;;) {
c = GETCHAR();
if ((c < 0) && (!r))
return(0);
if ((c == '-') && (!r))
n = 1;
else if ((c >= '0') && (c <= '9'))
x = x * 10 + c - '0', r = 1;
else if (r)
break;
}
if (n)
x = -x;
return(1);
}
struct Line {
mutable LL k, m, p;
bool operator<(const Line& o) const { return k < o.k; }
bool operator<(LL x) const { return p < x; }
};
struct LineContainer : multiset<Line, less<>> {
const LL inf = LLONG_MAX;
LL div(LL a, LL b) { // floored division
return a / b - ((a ^ b) < 0 && a % b);
}
bool isect(iterator x, iterator y) {
if (y == end()) { x->p = inf; return false; }
if (x->k == y->k) x->p = x->m > y->m ? inf : -inf;
else x->p = div(y->m - x->m, x->k - y->k);
return x->p >= y->p;
}
void add(LL k, LL m) {
auto z = insert({ k, m, 0 }), y = z++, x = y;
while (isect(y, z)) z = erase(z);
if (x != begin() && isect(--x, y)) isect(x, y = erase(y));
while ((y = x) != begin() && (--x)->p >= y->p)
isect(x, erase(y));
}
LL query(LL x) {
assert(!empty());
auto l = *lower_bound(x);
return l.k * x + l.m;
}
};
#define LIM 1000001
#define MOD 1000000007
int N, M, K, ans;
int P[LIM], L[LIM], H[LIM], X[LIM], Y[LIM];
vector<int> ch[LIM], Q[LIM];
int nid, id[LIM];
LineContainer LC[LIM];
void ReadSeq(int* V, int N, int K, int mod)
{
int i, A, B, C;
Fox(i, K)
Read(V[i]);
Read(A), Read(B), Read(C);
if (!mod)
Read(mod);
FoxI(i, K, N - 1)
V[i] = ((LL)A * V[i - 2] + (LL)B * V[i - 1] + C) % (mod < 0 ? i : mod) + 1;
}
LL GetQueryAns(int i, LL d, int c)
{
return(c * d + LC[id[i]].query(c));
}
void rec(int i, LL d)
{
// init new line container
id[i] = nid++;
// recurse to children
for (auto c : ch[i])
{
rec(c, d + L[c]);
// merge smaller line container into larger one
int& a = id[i], & b = id[c];
if (Sz(LC[a]) < Sz(LC[b]))
swap(a, b);
for (auto ln : LC[b])
LC[a].add(ln.k, ln.m);
LC[b].clear();
}
// add line for hireable log driver or leaf node
LC[id[i]].add(-d, Sz(ch[i]) ? GetQueryAns(i, d, H[i]) : 0);
// answer queries at this node
for (auto c : Q[i])
ans = ans * ((-GetQueryAns(i, d, c) + 1) % MOD) % MOD;
ch[i].clear(), Q[i].clear();
}
int ProcessCase()
{
int i;
// input
Read(N), Read(M), Read(K);
ReadSeq(P, N, K, -1);
ReadSeq(L, N, K, 0);
ReadSeq(H, N, K, 0);
ReadSeq(X, M, K, N);
ReadSeq(Y, M, K, 0);
// init tree/queries
Fox1(i, N - 1)
ch[P[i] - 1].pb(i);
Fox(i, M)
Q[X[i] - 1].pb(Y[i]);
// compute answers
ans = 1;
nid = 0;
rec(0, 0);
LC[id[0]].clear();
return(ans);
}
int main() {
int T, t;
Read(T);
Fox1(t, T)
printf("Case #%d: %d\n", t, ProcessCase());
return(0);
} |