//
#include <bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define o cout<<"BUG"<<endl;
#define FOR(i, j, n) for(int j = i; j < n; ++j)
#define forn(i, j, n) for(int j = i; j <= n; ++j)
#define nfor(i, j, n) for(int j = n; j >= i; --j)
#define sortv(vv) sort(vv.begin(), vv.end())
#define all(v) v.begin(), v.end()
#define ld long double
#define ull unsigned long long
using namespace std;
const int maxn=2e5+100,LOG=17, mod=1e9+7;
int block = 320, timer = 0;
const ld EPS = 1e-18;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define bt(i) (1 << (i))
//#define int ll
const int inf=1e9+10;
#define y1 yy
#define prev pre
#define pii pair <int, int>
int n, q, anc[maxn], tin[maxn], tout[maxn], deep[maxn], sz[maxn], mem[maxn][42];
ll L, h[maxn];
vector <int> edge[maxn];
vector <pii> vec[maxn];
void dfs(int v, int pred = -1)
{
tin[v] = ++timer;
vec[deep[v]].pb({tin[v], v});
for(auto to : edge[v])
{
if(to == pred) continue;
deep[to] = deep[v] + 1;
anc[to] = v;
dfs(to, v);
}
tout[v] = timer;
}
inline void update(int x, int w, int d)
{
if(d < 0) return;
if(sz[deep[x] + d] == 0) return;
// int L = lower_bound(all(vec[deep[x] + d]), mp(tin[x], 0)) - vec[deep[x] + d].begin() + 1;
// int R = upper_bound(all(vec[deep[x] + d]), mp(tout[x], inf)) - vec[deep[x] + d].begin();
// upd(1, 1, sz[deep[x] + d], L, R, w, deep[x] + d);
mem[x][d] = mem[x][d] * (1ll * w) % L;
}
main()
{
IOS
cin >> n >> L;
forn(1, i, n - 1)
{
int l, r;
cin >> l >> r;
edge[l].pb(r);
edge[r].pb(l);
}
forn(1, i, n) cin >> h[i];
forn(1, i, n)
{
forn(0, j, 40)
{
mem[i][j] = 1;
}
}
deep[1] = 1;
dfs(1);
cin >> q;
forn(1, i, q)
{
int ty;
cin >> ty;
if(ty == 1)
{
int x, d;
int w;
cin >> x >> d >> w;
vector <int> ancs;
int v = x;
forn(0, iter, d)
{
ancs.pb(v);
v = anc[v];
if(v == 0) break;
}
forn(-d, a, d)
{
int b = (d + a) / 2;
if((int)ancs.size() > b)
{
// cout << "START UPDATE " << ancs[b] << " " << a << " " << b << endl;
update(ancs[b], w, b - a);
}
else
{
// cout << "START UPDATE " << ancs.back() << " " << a << " " << b << endl;
update(ancs.back(), w, (int)ancs.size() - 1 - a);
}
}
}
else
{
int x;
cin >> x;
int pos = lower_bound(all(vec[deep[x]]), mp(tin[x], x)) - vec[deep[x]].begin() + 1;
ll ans = h[x];
int v = x;
forn(0, i, 40)
{
ans = ans * mem[v][i] % L;
v = anc[v];
if(v == 0) break;
}
// cout << h[x] << " " << get(1, 1, sz[deep[x]], pos, deep[x]) << endl;
cout << ans << "\n";
}
}
}
Compilation message
sprinkler.cpp:62:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
62 | main()
| ^~~~
sprinkler.cpp: In function 'int main()':
sprinkler.cpp:120:8: warning: unused variable 'pos' [-Wunused-variable]
120 | int pos = lower_bound(all(vec[deep[x]]), mp(tin[x], x)) - vec[deep[x]].begin() + 1;
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
6 ms |
9684 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
5 ms |
9684 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
5 ms |
9684 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
6 ms |
9684 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
7 ms |
9760 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
6 ms |
9684 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
