oj.uz

답안 #966689

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
966689 2024-04-20T08:22:06 Z PM1 Sprinkler (JOI22_sprinkler) C++17
0 / 100
 1716 ms 52820 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mxn=2e5+5,sq=448;
int n,M,q,h[mxn],st[mxn],fn[mxn],cnt,dis[mxn],par[mxn];
vector<ll>v[mxn],d[mxn];
struct segment{
	vector<ll>val;
	void build(int id){
		int i=1;
		while(i<=id)i*=2;
		while(i--)
			val.push_back(1);
	}
	void add(int id,int L,int R,int l,int r,ll w){
		if(L==l && R==r){
			if((int)val.size()<=id)return;
			val[id]=(val[id]*w)%M;
			return;
		}
		int mid=(L+R)/2;
		if(l<mid)
			add(id*2,L,mid,l,min(r,mid),w);
		if(r>mid)
			add(id*2+1,mid,R,max(l,mid),r,w);
	}
	ll get(int id,int L,int R,int l){
		if((int)val.size()<=id)return 0;
		if(L+1==R)
			return val[id];
		int mid=(L+R)/2;
		if(l<mid)
			return (get(id*2,L,mid,l)*val[id])%M;
		else
			return (get(id*2+1,mid,R,l)*val[id])%M;
	}
}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 L,int R,ll w){
	if(d[x].size()==0)return;
	int l=lower_bound(d[x].begin(),d[x].end(),L)-d[x].begin();
	int r=upper_bound(d[x].begin(),d[x].end(),R)-d[x].begin()-1;
	r=min((int)d[x].size()-1,r);
	if(l<r+1)
		seg[x].add(1,0,d[x].size(),l,r+1,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,st[x],fn[x],w);
		add(zz,st[x],fn[x],w);
		x=par[x];
	}
	for(;dd>=0;dd--){
		add(dis[x]+dd,st[x],fn[x],w);
	}
}
ll get(int z,int x){
	int l=lower_bound(d[z].begin(),d[z].end(),st[x])-d[z].begin();
	return seg[z].get(1,0,d[z].size(),l);
}
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=0;i<=n;i++){
		seg[i].build(d[i].size());
	}
	for(int i=1;i<=n;i++){
		int l=lower_bound(d[dis[i]].begin(),d[dis[i]].end(),st[i])-d[dis[i]].begin();
		seg[dis[i]].add(1,0,d[dis[i]].size(),l,l+1,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 3 ms 14940 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Correct 3 ms 14940 KB Output is correct
4 Correct 5 ms 14940 KB Output is correct
5 Incorrect 5 ms 14936 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14940 KB Output is correct
2 Incorrect 296 ms 38588 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14940 KB Output is correct
2 Incorrect 296 ms 38588 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14940 KB Output is correct
2 Correct 387 ms 52820 KB Output is correct
3 Correct 1049 ms 47928 KB Output is correct
4 Correct 583 ms 49004 KB Output is correct
5 Incorrect 1716 ms 37296 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 14936 KB Output is correct
2 Correct 421 ms 49624 KB Output is correct
3 Correct 1047 ms 44124 KB Output is correct
4 Correct 549 ms 46876 KB Output is correct
5 Incorrect 1588 ms 37460 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14940 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Correct 3 ms 14940 KB Output is correct
4 Correct 5 ms 14940 KB Output is correct
5 Incorrect 5 ms 14936 KB Output isn't correct
6 Halted 0 ms 0 KB -