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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#213551#573. t2wangyaxu12303225ms245372kbC++111.5kb2024-11-12 20:36:552024-11-12 23:36:32

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10,inf=1e9,mod=10007;
int n,m,pos=0,head[N],fa[N],que[N],sh[N],tto[N],sum=0,f[N];
int vis[N];
map<int,int> d[N];
int gcd(int a,int b){
	if(!b)
	return a;
	return gcd(b,a%b);
}
struct mm{
	int to,next,c;
}e[N<<1];
void add(int u,int v,int c){
	pos++;
	e[pos].to=v;
	e[pos].c=c;
	e[pos].next=head[u];
	head[u]=pos;
}
inline int read(){
    char c=getchar();int x=0,f=1;
    while(c<'0'||c>'9'){if(c=='-')f=-1;c=getchar();}
    while(c>='0'&&c<='9'){x=x*10+c-'0';c=getchar();}
    return x*f;
}
void dfs(int x,int f,int la){
	fa[x]=f;
	sh[x]=la;
	for(int i=head[x];i;i=e[i].next){
		int to=e[i].to;
		if(to==f)
		continue;
		tto[x]=to;
		dfs(to,x,e[i].c);
	}
}
void dfs1(int x,int f){
	for(int i=head[x];i;i=e[i].next){
		int to=e[i].to;
		if(to==f)
		continue;
		dfs1(to,x);
	}
	if(!tto[x]){
		d[fa[x]][sh[x]]=1;
		return;
	}
	d[fa[x]][sh[x]]=1;
	for(int i=1;i<=1e5;i++){
		d[fa[x]][gcd(sh[x],i)]+=d[x][i];
	}
}
void dfs2(int x,int ff){
	for(int i=1;i<=1e5;i++)
	f[i]+=d[x][i];
	for(int i=head[x];i;i=e[i].next){
		int to=e[i].to;
		if(to==ff)
		continue;
		dfs2(to,x);
	}
}
int main(){
	n=read();
	m=read();
	for(int i=1;i<n;i++){
		int u=read(),v=read(),c=read();
		add(u,v,c);
		add(v,u,c);
	}
	dfs(1,0,0);
	dfs1(1,0);
	dfs2(1,0);
	for(int i=1;i<=m;i++){
		int k=read(),ans=0;
			
		for(int j=1;j*k<=1e5;j++){
			ans+=f[j*k];
		}
		cout<<ans<<'\n';
	}
	return 0;
	
} 

详细

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Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 30
Accepted
time: 1592ms
memory: 245372kb

input:

50 50
48 29 49788
47 48 31142
35 48 28665
10 35 23889
39 35 6411
50 39 66666
43 35 27629
46 10 49173...

output:

2
1
0
0
0
2
0
0
0
0
0
0
1
10
0
0
1
0
0
2
0
1
0
2
0
0
0
0
0
2
0
0
0
0
2
0
0
0
1
0
0
1
0
2
1
2
0
0
0
0

result:

ok 50 tokens

Test #2:

score: -30
Wrong Answer
time: 1633ms
memory: 245372kb

input:

50 50
48 29 36145
47 29 82496
35 47 66171
10 47 40597
39 48 64355
50 48 98687
43 39 15472
46 35 3729...

output:

0
0
0
4
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
13
0
0
1
0
1
1
0
17
1
1
0
6
0
0
1

result:

wrong answer 32nd words differ - expected: '3', found: '2'

Subtask #2:

score: 0
Time Limit Exceeded

Test #11:

score: 0
Time Limit Exceeded

input:

100000 100000
73595 40695 76
13615 40695 96
65545 13615 84
19391 13615 76
2353 73595 27
26730 40695 ...

output:


result:


Subtask #3:

score: 0
Time Limit Exceeded

Test #21:

score: 0
Time Limit Exceeded

input:

100000 100000
73595 40695 12816
13615 73595 81821
65545 40695 75866
19391 65545 1165
2353 73595 3737...

output:


result: