QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#848011 | #4229. GCD Harmony | HeyJinhwi# | WA | 840ms | 201964kb | C++14 | 1.6kb | 2025-01-08 14:34:28 | 2025-01-08 14:34:29 |
Judging History
answer
#include <iostream>
#include <vector>
using namespace std;
int dp[5001][10101];
vector<int> adj[5010];
vector<int> dirtn[10010];
void dfs(int k,int p)
{
for(int i=0;i<adj[k].size();i++)
{
if(adj[k][i]==p)continue;
dfs(adj[k][i],k);
}
for(int i=2;i<=10000;i++)
{
int ans=0;
int cur;
for(int l=0;l<adj[k].size();l++)
{
if(adj[k][l]==p)continue;
cur=10000;
for(int j=0;j<dirtn[i].size();j++)
{
cur=min(cur,dp[adj[k][l]][dirtn[i][j]]);
}
for(int j=1;i*j<=10000;j++)
{
cur=min(cur,dp[adj[k][l]][i*j]);
}
ans+=cur;
if(ans>=10000)break;
}
if(ans>=10000)dp[k][i]=(1<<20);
else dp[k][i]+=ans;
}
}
int main()
{
//freopen("input.txt","r",stdin);
int n;cin>>n;
for(int i=1;i<=n;i++)
{
int a;cin>>a;
for(int j=2;j<=10000;j++)
{
if(j!=a)dp[i][j]=j;
}
}
for(int i=2;i<=10000;i++)
{
for(int j=2;j*j<=i;j++)
{
if(i%j==0)
{
dirtn[i].push_back(j);
if(j*j!=i)dirtn[i].push_back(i/j);
}
}
}
for(int i=1;i<n;i++)
{
int a,b;cin>>a>>b;
adj[a].push_back(b);
adj[b].push_back(a);
}
dfs(1,0);
int ans=2*n;
for(int i=2;i<=10000;i++)
{
ans=min(ans,dp[1][i]);
}
cout<<ans;
}
Details
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Test #1:
score: 100
Accepted
time: 4ms
memory: 6276kb
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: 4ms
memory: 6348kb
input:
3 1 2 3 3 1 2 3
output:
4
result:
ok single line: '4'
Test #3:
score: 0
Accepted
time: 5ms
memory: 5028kb
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:
15
result:
ok single line: '15'
Test #4:
score: 0
Accepted
time: 4ms
memory: 4880kb
input:
9 2 5 5 5 5 3 3 3 3 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9
output:
14
result:
ok single line: '14'
Test #5:
score: 0
Accepted
time: 0ms
memory: 4828kb
input:
8 13 13 13 2 13 13 13 13 1 2 1 3 1 4 1 5 1 6 1 7 1 8
output:
13
result:
ok single line: '13'
Test #6:
score: -100
Wrong Answer
time: 840ms
memory: 201964kb
input:
5000 59 25 51 26 33 99 2 13 29 58 5 47 96 83 63 22 69 89 41 90 20 97 85 90 55 17 54 75 54 24 90 54 74 78 81 77 2 47 68 18 60 81 99 86 7 6 76 43 17 43 92 25 36 26 47 100 63 66 2 16 47 25 48 86 24 2 10 42 44 80 92 48 49 21 49 40 32 85 53 88 15 30 4 27 77 16 6 80 50 56 46 14 3 48 92 50 93 35 69 29 48 4...
output:
6275
result:
wrong answer 1st lines differ - expected: '4778', found: '6275'