답안 #412990

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
412990	2021-05-28T00:02:54 Z	Chaska	Group Photo (JOI21_ho_t3)	C++11	100 / 100	402 ms	580 KB

Main

#include <bits/stdc++.h> 
#define pb push_back
#define sp " "
#define sl "\n"
#define fi first
#define se second
#define mp make_pair
#define sz(a) ((int)a.size())
#define all(a) a.begin(),a.end()
#define rev(a) reverse(a.begin(),a.end())
#define PI 3.141592
#define fo(i,n) for (int i=0;i<n;i++)
#define fofo(i,n,j,m) for (int i=0;i<n;i++) for (int j=0;j<m;j++) 
 
using namespace std;
 
typedef long long ll;
typedef pair<ll,ll> ii;
typedef pair<int,ii> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
const int N=5e3+5,mod=1e9+7;

int n,a[N];
ll dp[N];
int st[N];
int g[N];
vi aux;
int tam;
void add(int u)
{
	while (u<=tam) {
		st[u]++;
		u += u&(-u);
	}
	return;
}
int get(int u)
{
	int r = 0;
	while (u>0) {
		r += st[u];
		u -= u&(-u);
	}
	return r;
}
int main() { 
	cin.tie(0); cout.tie(0); 
	ios_base::sync_with_stdio();
	cin >> n;
	for (int i=0;i<n;i++) cin >> a[i];
	dp[0] = dp[1] = 0;
	for (int i=2;i<=n;i++) dp[i] = 1e15;
	for (int i=0;i<n;i++) g[a[i]] = i;
	for (int i=n;i>=1;i--) {
		int p1,p2;
		p2 = get(g[i]-1);
	}
	for (int i=2;i<=n;i++) {
		aux.clear();
		for (int j=0;j<n;j++) if (a[j]<=i) aux.push_back(a[j]);
		tam = i;
		int p=0;
		long long res = 0;
		for (int u : aux) g[u] = ++p;
		for (int j=0;j<=n;j++) st[j] = 0;
		for (int j=i;j>=1;j--) {
			
			int  k = get(g[j]-1);
			res += i-g[j]-k;
			dp[i] = min(dp[i],dp[j-1]+res);
			add(g[j]);
		}
		//cout << dp[i] << " ";
	}
	cout << dp[n];
	return 0;
}

// Recuerda limites 
// Recuerda casos especiales

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:56:7: warning: unused variable 'p1' [-Wunused-variable]
   56 |   int p1,p2;
      |       ^~
Main.cpp:56:10: warning: variable 'p2' set but not used [-Wunused-but-set-variable]
   56 |   int p1,p2;
      |          ^~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	292 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	292 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	2 ms	204 KB	Output is correct
22	Correct	2 ms	296 KB	Output is correct
23	Correct	1 ms	292 KB	Output is correct
24	Correct	1 ms	296 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	2 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	292 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	2 ms	204 KB	Output is correct
22	Correct	2 ms	296 KB	Output is correct
23	Correct	1 ms	292 KB	Output is correct
24	Correct	1 ms	296 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	2 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	10 ms	332 KB	Output is correct
32	Correct	10 ms	292 KB	Output is correct
33	Correct	10 ms	296 KB	Output is correct
34	Correct	11 ms	332 KB	Output is correct
35	Correct	10 ms	332 KB	Output is correct
36	Correct	10 ms	332 KB	Output is correct
37	Correct	10 ms	332 KB	Output is correct
38	Correct	10 ms	292 KB	Output is correct
39	Correct	10 ms	296 KB	Output is correct
40	Correct	10 ms	336 KB	Output is correct

Subtask #5
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	292 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	2 ms	204 KB	Output is correct
22	Correct	2 ms	296 KB	Output is correct
23	Correct	1 ms	292 KB	Output is correct
24	Correct	1 ms	296 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	2 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	10 ms	332 KB	Output is correct
32	Correct	10 ms	292 KB	Output is correct
33	Correct	10 ms	296 KB	Output is correct
34	Correct	11 ms	332 KB	Output is correct
35	Correct	10 ms	332 KB	Output is correct
36	Correct	10 ms	332 KB	Output is correct
37	Correct	10 ms	332 KB	Output is correct
38	Correct	10 ms	292 KB	Output is correct
39	Correct	10 ms	296 KB	Output is correct
40	Correct	10 ms	336 KB	Output is correct
41	Correct	398 ms	532 KB	Output is correct
42	Correct	395 ms	476 KB	Output is correct
43	Correct	400 ms	452 KB	Output is correct
44	Correct	401 ms	416 KB	Output is correct
45	Correct	399 ms	452 KB	Output is correct
46	Correct	394 ms	408 KB	Output is correct
47	Correct	397 ms	456 KB	Output is correct
48	Correct	395 ms	412 KB	Output is correct
49	Correct	402 ms	424 KB	Output is correct
50	Correct	394 ms	416 KB	Output is correct
51	Correct	395 ms	452 KB	Output is correct
52	Correct	393 ms	556 KB	Output is correct
53	Correct	401 ms	544 KB	Output is correct
54	Correct	396 ms	580 KB	Output is correct
55	Correct	402 ms	408 KB	Output is correct

답안 #412990

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 32.0 / 32.0

Subtask #4 20.0 / 20.0

Subtask #5 36.0 / 36.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
32.0 / 32.0

Subtask #4
20.0 / 20.0

Subtask #5
36.0 / 36.0