답안 #924365

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
924365	2024-02-08T23:46:28 Z	Edu175	Cat Exercise (JOI23_ho_t4)	C++17	41 / 100	33 ms	53316 KB

Main

#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(ll i=a,ggdem=b;i<ggdem;++i)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define imp(v) for(auto messi:v)cout<<messi<<" "; cout<<"\n"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;
const ll MAXN=2e5+5;
const ll K=18;
ll st[K][1ll<<K];
ll a[MAXN];
ll n;
ll oper(ll i, ll j){
	//if(i==-1)return j;
	//if(j==-1)return i;
	if(a[i]>a[j])return i;
	return j;
}
void st_init(){
	fore(i,0,n)st[0][i]=i;
	fore(k,1,K)fore(i,0,n-(1ll<<k)+1){
		//if(i+(1ll<<k-1)>=n)break;
		st[k][i]=oper(st[k-1][i],st[k-1][i+(1ll<<(k-1))]);
	}
}

ll st_query(ll s, ll e){
	if(e-s==0)return -1;
	ll k=63-__builtin_clzll(e-s);
	return oper(st[k][s],st[k][e-(1ll<<k)]);
}

ll dp[MAXN];
ll f(ll l, ll r){
	ll k=st_query(l,r);
	ll &res=dp[k];
	if(res!=-1)return res;
	if(r-l==0)return res=1;
	ll k1=st_query(l,k),k2=st_query(k+1,r);
	res=0;
	if(k-l)res=max(res,abs(k1-k)+f(l,k));
	if(r-k-1)res=max(res,abs(k2-k)+f(k+1,r));
	//cout<<l<<","<<r<<" "<<k<<": "<<res<<"\n";
	return res;
}
int main(){FIN;
	cin>>n;
	fore(i,0,n)cin>>a[i],a[i]--;
	st_init();
	mset(dp,-1);
	cout<<f(0,n)<<"\n";
	return 0;
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8792 KB	Output is correct
2	Correct	1 ms	10844 KB	Output is correct
3	Correct	2 ms	10844 KB	Output is correct
4	Correct	2 ms	12892 KB	Output is correct
5	Correct	2 ms	12764 KB	Output is correct
6	Correct	2 ms	12892 KB	Output is correct
7	Correct	1 ms	6748 KB	Output is correct
8	Correct	2 ms	12892 KB	Output is correct
9	Correct	2 ms	12892 KB	Output is correct
10	Correct	2 ms	12892 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8792 KB	Output is correct
2	Correct	1 ms	10844 KB	Output is correct
3	Correct	2 ms	10844 KB	Output is correct
4	Correct	2 ms	12892 KB	Output is correct
5	Correct	2 ms	12764 KB	Output is correct
6	Correct	2 ms	12892 KB	Output is correct
7	Correct	1 ms	6748 KB	Output is correct
8	Correct	2 ms	12892 KB	Output is correct
9	Correct	2 ms	12892 KB	Output is correct
10	Correct	2 ms	12892 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	3 ms	21080 KB	Output is correct
16	Correct	3 ms	21084 KB	Output is correct
17	Correct	3 ms	21084 KB	Output is correct

Subtask #3
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8792 KB	Output is correct
2	Correct	1 ms	10844 KB	Output is correct
3	Correct	2 ms	10844 KB	Output is correct
4	Correct	2 ms	12892 KB	Output is correct
5	Correct	2 ms	12764 KB	Output is correct
6	Correct	2 ms	12892 KB	Output is correct
7	Correct	1 ms	6748 KB	Output is correct
8	Correct	2 ms	12892 KB	Output is correct
9	Correct	2 ms	12892 KB	Output is correct
10	Correct	2 ms	12892 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	3 ms	21080 KB	Output is correct
16	Correct	3 ms	21084 KB	Output is correct
17	Correct	3 ms	21084 KB	Output is correct
18	Correct	4 ms	29740 KB	Output is correct
19	Correct	4 ms	29532 KB	Output is correct
20	Correct	5 ms	29508 KB	Output is correct
21	Correct	4 ms	29528 KB	Output is correct
22	Correct	4 ms	29272 KB	Output is correct
23	Correct	4 ms	29276 KB	Output is correct
24	Correct	4 ms	29276 KB	Output is correct

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8792 KB	Output is correct
2	Correct	1 ms	10844 KB	Output is correct
3	Correct	2 ms	10844 KB	Output is correct
4	Correct	2 ms	12892 KB	Output is correct
5	Correct	2 ms	12764 KB	Output is correct
6	Correct	2 ms	12892 KB	Output is correct
7	Correct	1 ms	6748 KB	Output is correct
8	Correct	2 ms	12892 KB	Output is correct
9	Correct	2 ms	12892 KB	Output is correct
10	Correct	2 ms	12892 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	3 ms	21080 KB	Output is correct
16	Correct	3 ms	21084 KB	Output is correct
17	Correct	3 ms	21084 KB	Output is correct
18	Correct	4 ms	29740 KB	Output is correct
19	Correct	4 ms	29532 KB	Output is correct
20	Correct	5 ms	29508 KB	Output is correct
21	Correct	4 ms	29528 KB	Output is correct
22	Correct	4 ms	29272 KB	Output is correct
23	Correct	4 ms	29276 KB	Output is correct
24	Correct	4 ms	29276 KB	Output is correct
25	Correct	1 ms	8796 KB	Output is correct
26	Incorrect	4 ms	29356 KB	Output isn't correct
27	Halted	0 ms	0 KB	-

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8792 KB	Output is correct
2	Correct	1 ms	10844 KB	Output is correct
3	Correct	2 ms	10844 KB	Output is correct
4	Correct	2 ms	12892 KB	Output is correct
5	Correct	2 ms	12764 KB	Output is correct
6	Correct	2 ms	12892 KB	Output is correct
7	Correct	1 ms	6748 KB	Output is correct
8	Correct	2 ms	12892 KB	Output is correct
9	Correct	2 ms	12892 KB	Output is correct
10	Correct	2 ms	12892 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	3 ms	21080 KB	Output is correct
16	Correct	3 ms	21084 KB	Output is correct
17	Correct	3 ms	21084 KB	Output is correct
18	Correct	4 ms	29740 KB	Output is correct
19	Correct	4 ms	29532 KB	Output is correct
20	Correct	5 ms	29508 KB	Output is correct
21	Correct	4 ms	29528 KB	Output is correct
22	Correct	4 ms	29272 KB	Output is correct
23	Correct	4 ms	29276 KB	Output is correct
24	Correct	4 ms	29276 KB	Output is correct
25	Correct	31 ms	53316 KB	Output is correct
26	Correct	33 ms	52280 KB	Output is correct
27	Correct	29 ms	52308 KB	Output is correct
28	Correct	25 ms	40780 KB	Output is correct
29	Correct	25 ms	40784 KB	Output is correct
30	Correct	25 ms	40796 KB	Output is correct
31	Correct	25 ms	40796 KB	Output is correct

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Incorrect	2 ms	19036 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #7
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8792 KB	Output is correct
2	Correct	1 ms	10844 KB	Output is correct
3	Correct	2 ms	10844 KB	Output is correct
4	Correct	2 ms	12892 KB	Output is correct
5	Correct	2 ms	12764 KB	Output is correct
6	Correct	2 ms	12892 KB	Output is correct
7	Correct	1 ms	6748 KB	Output is correct
8	Correct	2 ms	12892 KB	Output is correct
9	Correct	2 ms	12892 KB	Output is correct
10	Correct	2 ms	12892 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	3 ms	21080 KB	Output is correct
16	Correct	3 ms	21084 KB	Output is correct
17	Correct	3 ms	21084 KB	Output is correct
18	Correct	4 ms	29740 KB	Output is correct
19	Correct	4 ms	29532 KB	Output is correct
20	Correct	5 ms	29508 KB	Output is correct
21	Correct	4 ms	29528 KB	Output is correct
22	Correct	4 ms	29272 KB	Output is correct
23	Correct	4 ms	29276 KB	Output is correct
24	Correct	4 ms	29276 KB	Output is correct
25	Correct	1 ms	8796 KB	Output is correct
26	Incorrect	4 ms	29356 KB	Output isn't correct
27	Halted	0 ms	0 KB	-

답안 #924365

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 7.0 / 7.0

Subtask #3 7.0 / 7.0

Subtask #4 0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 0 / 23.0

Subtask #7 0 / 26.0

Subtask #1
7.0 / 7.0

Subtask #2
7.0 / 7.0

Subtask #3
7.0 / 7.0

Subtask #4
0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
0 / 23.0

Subtask #7
0 / 26.0