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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
#93456#4229. GCD HarmonylinakWA 8ms5824kbC++171.1kb2023-03-31 21:15:542023-03-31 21:15:56

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-31 21:15:56]
  • 评测
  • 测评结果:WA
  • 用时:8ms
  • 内存:5824kb
  • [2023-03-31 21:15:54]
  • 提交

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=2; 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++){
                int r=1e9;
                for(int v:kdj[i]) r=min(r,t[v]);
                dp[x][i]+=r;
            }
        }
    }
    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;
}

详细

Test #1:

score: 100
Accepted
time: 4ms
memory: 5728kb

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: 5688kb

input:

3
1
2
3
3 1
2 3

output:

4

result:

ok single line: '4'

Test #3:

score: 0
Accepted
time: 2ms
memory: 5664kb

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: 2ms
memory: 5796kb

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: 5688kb

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: 8ms
memory: 5824kb

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:

5080

result:

wrong answer 1st lines differ - expected: '4778', found: '5080'