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Submission #742955

# Submission time Handle Problem Language Result Execution time Memory
742955 2023-05-17T06:54:38 Z zaneyu Cat Exercise (JOI23_ho_t4) C++14
31 / 100
 2000 ms 25312 KB 
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using ld=long double;
using pii=pair<int,int>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()),c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll maxn=5e5+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const int MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-4;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
int cur;
vector<int> g[maxn];
int ans=0;
int dp[maxn];
vector<pii> v;
int arr[maxn];
void dfs(int u,int p,int d){
	MXTO(dp[v[cur].s],dp[u]+d);
	for(int x:g[u]){
		if(x==p) continue;
		if(arr[x]>cur) continue;
		dfs(x,u,d+1);
	}
}

int main(){
	int n;
	cin>>n;
	
	REP(i,n){
		int x;
		cin>>x;
		--x;
		v.pb({x,i});
		arr[i]=x;
	}
	REP(i,n-1){
		int a,b;
		cin>>a>>b;
		--a,--b;
		g[a].pb(b),g[b].pb(a);
	}
	sort(ALL(v));
	for(auto x:v){
		cur=x.f;
		ans=0;
		dfs(x.s,-1,0);
		//cout<<dp[x.s]<<' ';
	}
	cout<<dp[v.back().s];
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 6 ms 11988 KB Output is correct
3 Correct 6 ms 11988 KB Output is correct
4 Correct 6 ms 12060 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 6 ms 11988 KB Output is correct
7 Correct 6 ms 12060 KB Output is correct
8 Correct 7 ms 12056 KB Output is correct
9 Correct 7 ms 12056 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 6 ms 11988 KB Output is correct
3 Correct 6 ms 11988 KB Output is correct
4 Correct 6 ms 12060 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 6 ms 11988 KB Output is correct
7 Correct 6 ms 12060 KB Output is correct
8 Correct 7 ms 12056 KB Output is correct
9 Correct 7 ms 12056 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 7 ms 11988 KB Output is correct
12 Correct 7 ms 12060 KB Output is correct
13 Correct 6 ms 12088 KB Output is correct
14 Correct 9 ms 12056 KB Output is correct
15 Correct 8 ms 11988 KB Output is correct
16 Correct 7 ms 12056 KB Output is correct
17 Correct 7 ms 11988 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 6 ms 11988 KB Output is correct
3 Correct 6 ms 11988 KB Output is correct
4 Correct 6 ms 12060 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 6 ms 11988 KB Output is correct
7 Correct 6 ms 12060 KB Output is correct
8 Correct 7 ms 12056 KB Output is correct
9 Correct 7 ms 12056 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 7 ms 11988 KB Output is correct
12 Correct 7 ms 12060 KB Output is correct
13 Correct 6 ms 12088 KB Output is correct
14 Correct 9 ms 12056 KB Output is correct
15 Correct 8 ms 11988 KB Output is correct
16 Correct 7 ms 12056 KB Output is correct
17 Correct 7 ms 11988 KB Output is correct
18 Correct 121 ms 12620 KB Output is correct
19 Correct 105 ms 12656 KB Output is correct
20 Correct 98 ms 12592 KB Output is correct
21 Correct 12 ms 12500 KB Output is correct
22 Correct 13 ms 12500 KB Output is correct
23 Correct 12 ms 12456 KB Output is correct
24 Correct 11 ms 12500 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 6 ms 11988 KB Output is correct
3 Correct 6 ms 11988 KB Output is correct
4 Correct 6 ms 12060 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 6 ms 11988 KB Output is correct
7 Correct 6 ms 12060 KB Output is correct
8 Correct 7 ms 12056 KB Output is correct
9 Correct 7 ms 12056 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 7 ms 11988 KB Output is correct
12 Correct 7 ms 12060 KB Output is correct
13 Correct 6 ms 12088 KB Output is correct
14 Correct 9 ms 12056 KB Output is correct
15 Correct 8 ms 11988 KB Output is correct
16 Correct 7 ms 12056 KB Output is correct
17 Correct 7 ms 11988 KB Output is correct
18 Correct 121 ms 12620 KB Output is correct
19 Correct 105 ms 12656 KB Output is correct
20 Correct 98 ms 12592 KB Output is correct
21 Correct 12 ms 12500 KB Output is correct
22 Correct 13 ms 12500 KB Output is correct
23 Correct 12 ms 12456 KB Output is correct
24 Correct 11 ms 12500 KB Output is correct
25 Correct 7 ms 11972 KB Output is correct
26 Correct 116 ms 12624 KB Output is correct
27 Correct 119 ms 12560 KB Output is correct
28 Correct 118 ms 12552 KB Output is correct
29 Correct 119 ms 12540 KB Output is correct
30 Correct 18 ms 12328 KB Output is correct
31 Correct 23 ms 12244 KB Output is correct
32 Correct 20 ms 12372 KB Output is correct
33 Correct 21 ms 12244 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 6 ms 11988 KB Output is correct
3 Correct 6 ms 11988 KB Output is correct
4 Correct 6 ms 12060 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 6 ms 11988 KB Output is correct
7 Correct 6 ms 12060 KB Output is correct
8 Correct 7 ms 12056 KB Output is correct
9 Correct 7 ms 12056 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 7 ms 11988 KB Output is correct
12 Correct 7 ms 12060 KB Output is correct
13 Correct 6 ms 12088 KB Output is correct
14 Correct 9 ms 12056 KB Output is correct
15 Correct 8 ms 11988 KB Output is correct
16 Correct 7 ms 12056 KB Output is correct
17 Correct 7 ms 11988 KB Output is correct
18 Correct 121 ms 12620 KB Output is correct
19 Correct 105 ms 12656 KB Output is correct
20 Correct 98 ms 12592 KB Output is correct
21 Correct 12 ms 12500 KB Output is correct
22 Correct 13 ms 12500 KB Output is correct
23 Correct 12 ms 12456 KB Output is correct
24 Correct 11 ms 12500 KB Output is correct
25 Execution timed out 2077 ms 25312 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 7 ms 11988 KB Output is correct
3 Execution timed out 2076 ms 24060 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 6 ms 11988 KB Output is correct
3 Correct 6 ms 11988 KB Output is correct
4 Correct 6 ms 12060 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 6 ms 11988 KB Output is correct
7 Correct 6 ms 12060 KB Output is correct
8 Correct 7 ms 12056 KB Output is correct
9 Correct 7 ms 12056 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 7 ms 11988 KB Output is correct
12 Correct 7 ms 12060 KB Output is correct
13 Correct 6 ms 12088 KB Output is correct
14 Correct 9 ms 12056 KB Output is correct
15 Correct 8 ms 11988 KB Output is correct
16 Correct 7 ms 12056 KB Output is correct
17 Correct 7 ms 11988 KB Output is correct
18 Correct 121 ms 12620 KB Output is correct
19 Correct 105 ms 12656 KB Output is correct
20 Correct 98 ms 12592 KB Output is correct
21 Correct 12 ms 12500 KB Output is correct
22 Correct 13 ms 12500 KB Output is correct
23 Correct 12 ms 12456 KB Output is correct
24 Correct 11 ms 12500 KB Output is correct
25 Correct 7 ms 11972 KB Output is correct
26 Correct 116 ms 12624 KB Output is correct
27 Correct 119 ms 12560 KB Output is correct
28 Correct 118 ms 12552 KB Output is correct
29 Correct 119 ms 12540 KB Output is correct
30 Correct 18 ms 12328 KB Output is correct
31 Correct 23 ms 12244 KB Output is correct
32 Correct 20 ms 12372 KB Output is correct
33 Correct 21 ms 12244 KB Output is correct
34 Execution timed out 2077 ms 25312 KB Time limit exceeded
35 Halted 0 ms 0 KB -