답안 #550790

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
550790 2022-04-19T08:23:19 Z inksamurai Sprinkler (JOI22_sprinkler) C++17
0 / 100
1 ms 340 KB
#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,x,n) for(int i=x;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3xxEYjy ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

int mod;
//snuke's mod int
// template <ll mod>
struct modint{
	ll x; // typedef long long ll;
	modint(ll x=0):x((x%mod+mod)%mod){}
	modint operator-()const{return modint(-x);}
	modint& operator+=(const modint a){if((x+=a.x)>=mod) x-=mod; return *this;}
	modint& operator-=(const modint a){if((x+=mod-a.x)>=mod) x-=mod; return *this;}
	modint& operator*=(const modint a){(x*=a.x)%=mod; return *this;}
	modint operator+(const modint a)const{modint res(*this); return res+=a;}
	modint operator-(const modint a)const{modint res(*this); return res-=a;}
	modint operator*(const modint a)const{modint res(*this); return res*=a;}
	modint pow(ll n)const{
		modint res=1,x(*this);
		while(n){
			if(n&1)res*=x;
			x*=x;
			n>>=1;
		}
		return res;
	}
	modint inv()const{return pow(mod-2);}
};

signed main(){
_3xxEYjy;
	int n;
	cin>>n>>mod;
	vec(vi) adj(n);
	rep(i,n-1){
		int u,v;
		cin>>u>>v;
		u-=1;v-=1;
		adj[u].pb(v);
		adj[v].pb(u);
	}
	vi a(n);
	rep(i,n){
		cin>>a[i];
	}
	vi par;
	{
		rep(i,50){
			adj.pb({});
			if(i==0){
				adj[n].pb(0);
				adj[0].pb(n);
			}else{
				adj[n-1].pb(n);
				adj[n].pb(n-1);
			}
			n+=1;
		}
		par=vi(n,-1);
		auto dfs=[&](auto self,int v,int _par)->void{
			for(auto u:adj[v]){
				if(u==_par) continue;
				par[u]=v;
				self(self,u,v);
			}
		};dfs(dfs,n-1,-1);
		while(sz(a)<n){
			a.pb(0);
		}
	}

	using mint=modint;

	vec(vec(mint)) dp(n,vec(mint)(50,1));

	auto add=[&](int v,int d,int x){
		if(d==0){
			a[v]*=x%mod;
			a[v]%=mod;
			return;
		}
		while(1){
			if(v==-1) break;
			// print(v);
			if(d==0){
				a[v]*=x;
				a[v]%=mod;
				break;
			}
			dp[v][d]*=mint(x);
			d-=1;
			v=par[v];
		}
	};

	auto get=[&](int v)->mint{
		int d=0;
		mint res=1;
		while(d<50){
			res*=dp[v][d];
			res*=dp[v][d+1];
			v=par[v];
			if(v==-1) break;
			d+=1;
		}
		return res;
	};

	int q;
	cin>>q;
	rep(_,q){
		int t,v,x,d;
		cin>>t;
		if(t==1){
			cin>>v>>d>>x;
			v-=1;
			add(v,d,x);
		}else{
			cin>>v;
			v-=1;
			mint res=get(v);
			res*=mint(a[v]);
			print(res.x);
		}
	}	
//
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -