oj.uz

답안 #966735

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
966735 2024-04-20T09:22:54 Z PM1 Sprinkler (JOI22_sprinkler) C++17
0 / 100
 3065 ms 123352 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#define ll long long
const int mxn=2e5+5;
int n,M,q,h[mxn],st[mxn],fn[mxn],cnt,dis[mxn],par[mxn];
int fnd[mxn][42][2];
vector<ll>v[mxn],d[mxn];
struct segment{
	vector<ll>val;
	int sz=0;
	void build(){
		while(__builtin_popcount(sz)!=1){
			sz++;
		}
		val.resize(sz*2,1);
	}
	void add(int i,int l,int r,int tl,int tr,int w){
		if(l>r||l>tr||r<tl||tl>tr){
			return ;
		}
		if(l>=tl&&r<=tr){
			val[i]*=w;
			val[i]%=M;
			return ;
		}
		int m=(l+r)>>1;
		add((i<<1),l,m,tl,tr,w);
		add((i<<1)^1,m+1,r,tl,tr,w);
		return ;
	}
	int get(int i){
		if(i==0){
			return 1;
		}
		int ret=val[i]*get((i>>1))%M;
		return ret;
	}
}seg[mxn];
void dfs(int z){
	st[z]=++cnt;
	d[dis[z]].push_back(st[z]);
	for(auto i:v[z]){
		if(i!=par[z]){
			par[i]=z;
			dis[i]=dis[z]+1;
			dfs(i);
		}
	}
	fn[z]=cnt;
}
void add(int x,int y,ll w){
	if(d[x].size()==0)return;
	int l=fnd[y][x-dis[y]][0];
	int r=fnd[y][x-dis[y]][1];
	r=min((int)d[x].size()-1,r);
	seg[x].add(1,0,d[x].size()-1,l,r,w);
}
void up(int x,int dd,int w){
	for(;dd>=1 && x!=1;dd--){
		int z=dis[x]+dd,zz=dis[x]+dd-1;
		add(z,x,w);
		add(zz,x,w);
		x=par[x];
	}
	for(;dd>=0;dd--){
		add(dis[x]+dd,x,w);
	}
}
ll get(int z,int x){
	int l=fnd[x][0][0];
	return seg[z].get(l+seg[z].sz);
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>M;
	for(int i=1;i<n;i++){
		int x,y;
		cin>>x>>y;
		v[x].push_back(y);
		v[y].push_back(x);
	}
	for(int i=1;i<=n;i++)
		cin>>h[i];
	dfs(1);
	for(int i=1;i<=n;i++){
		for(int j=0;j<=40 && dis[i]+j<mxn;j++){
			int dd=dis[i]+j;
			fnd[i][j][0]=lower_bound(d[dd].begin(),d[dd].end(),st[i])-d[dd].begin();
			fnd[i][j][1]=upper_bound(d[dd].begin(),d[dd].end(),fn[i])-d[dd].begin()-1;
		}
	}
	for(int i=0;i<=n;i++){
		seg[i].sz=d[i].size();
		seg[i].build();
	}
	for(int i=1;i<=n;i++){
		int l=fnd[i][0][0];
		seg[dis[i]].add(1,0,d[dis[i]].size()-1,l,l,h[i]);
	}
	cin>>q;
	while(q--){
		int ty,x,dd,w;
		cin>>ty;
		if(ty==1){
			cin>>x>>dd>>w;
			up(x,dd,w);
		}

		else{
			cin>>x;
			cout<<get(dis[x],x)<<'\n';
		}
		
	}
	return 0;
}

Subtask #1
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 16988 KB Output is correct
2 Correct 4 ms 16836 KB Output is correct
3 Correct 4 ms 16988 KB Output is correct
4 Correct 5 ms 17244 KB Output is correct
5 Incorrect 6 ms 16988 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 16988 KB Output is correct
2 Incorrect 892 ms 109456 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 16988 KB Output is correct
2 Incorrect 892 ms 109456 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 16988 KB Output is correct
2 Correct 630 ms 123352 KB Output is correct
3 Correct 2648 ms 117272 KB Output is correct
4 Correct 1016 ms 118604 KB Output is correct
5 Incorrect 1922 ms 106324 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 16988 KB Output is correct
2 Correct 662 ms 118768 KB Output is correct
3 Correct 3065 ms 112800 KB Output is correct
4 Correct 1043 ms 116328 KB Output is correct
5 Incorrect 1904 ms 108360 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 16988 KB Output is correct
2 Correct 4 ms 16836 KB Output is correct
3 Correct 4 ms 16988 KB Output is correct
4 Correct 5 ms 17244 KB Output is correct
5 Incorrect 6 ms 16988 KB Output isn't correct
6 Halted 0 ms 0 KB -