QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#93446 | #4229. GCD Harmony | linak | WA | 3ms | 5804kb | C++17 | 1.1kb | 2023-03-31 21:08:49 | 2023-03-31 21:08:51 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
vector<vector<int>> dp(5001,vector<int>(101));
vector<int> adj[5001],k(5001),kdj[101];
bool vi[5001];
vector<int> rec(int x){
vi[x]=true;
for(int i=1; i<=100; i++){
if(k[x]%i==0) dp[x][i]=0;
else dp[x][i]=i;
}
for(int u: adj[x]){
if(!vi[u]){
vector<int> t=rec(u);
for(int i=2; i<=100; i++){
for(int v:kdj[i]) t[v]=min(t[i],t[v]);
}
for(int i=1; i<=100; i++) dp[x][i]+=t[i];
}
}
return dp[x];
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
for(int i=2; i<=100; i++){
for(int j=i; j<=100; j+=i) kdj[j].push_back(i);
}
int a;
cin>>a;
for(int i=1; i<=a; i++) cin>>k[i];
for(int i=1; i<a; i++){
int x,y;
cin>>x>>y;
adj[x].push_back(y);
adj[y].push_back(x);
}
rec(1);
int ans=1e9;
for(int i=2; i<=100; i++) ans=min(ans,dp[1][i]);
cout<<ans;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5736kb
input:
6 5 6 3 4 9 12 1 2 1 3 1 4 1 6 3 5
output:
6
result:
ok single line: '6'
Test #2:
score: 0
Accepted
time: 3ms
memory: 5620kb
input:
3 1 2 3 3 1 2 3
output:
4
result:
ok single line: '4'
Test #3:
score: -100
Wrong Answer
time: 1ms
memory: 5804kb
input:
13 2 5 5 5 5 5 5 3 3 3 3 3 3 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13
output:
21
result:
wrong answer 1st lines differ - expected: '15', found: '21'