답안 #373071

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
373071 2021-03-03T08:51:53 Z GioChkhaidze Group Photo (JOI21_ho_t3) C++14
100 / 100
417 ms 134656 KB
#include <bits/stdc++.h>

#define ll long long

using namespace std;

const int N = 5005;

int n, q, a[N], inv[N][N], invr[N][N], S[N], Dp[N];

main () {
	ios::sync_with_stdio(false);
	cin.tie(NULL), cout.tie(NULL);
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i];
	}
	
	for (int i = 1; i <= n; ++i) {
		for (int j = a[i]; j <= n; ++j) {
			++S[j];
		}	
		
		for (int x = a[i] + 1; x <= n; ++x) {
			inv[a[i]][x] = S[n] - S[x - 1];
			invr[a[i]][x] = (x - a[i]) - (S[x] - S[a[i]]);
		}
	}

	ll U;
	for (int r = 1; r <= n; ++r) {
		Dp[r] = 1e9, U = 0;
		for (int l = r; l >= 1; --l) {
			U += inv[l][r + 1] + invr[l][r];
			if (Dp[r] > Dp[l - 1] + U)
				Dp[r] = Dp[l - 1] + U;
		}
	}
	
	cout << Dp[n] << "\n";
}

Compilation message

Main.cpp:11:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main () {
      |       ^
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 2 ms 2156 KB Output is correct
22 Correct 2 ms 2156 KB Output is correct
23 Correct 2 ms 2156 KB Output is correct
24 Correct 2 ms 2156 KB Output is correct
25 Correct 2 ms 2156 KB Output is correct
26 Correct 2 ms 2156 KB Output is correct
27 Correct 2 ms 2156 KB Output is correct
28 Correct 1 ms 2156 KB Output is correct
29 Correct 2 ms 2156 KB Output is correct
30 Correct 1 ms 2156 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 2 ms 2156 KB Output is correct
22 Correct 2 ms 2156 KB Output is correct
23 Correct 2 ms 2156 KB Output is correct
24 Correct 2 ms 2156 KB Output is correct
25 Correct 2 ms 2156 KB Output is correct
26 Correct 2 ms 2156 KB Output is correct
27 Correct 2 ms 2156 KB Output is correct
28 Correct 1 ms 2156 KB Output is correct
29 Correct 2 ms 2156 KB Output is correct
30 Correct 1 ms 2156 KB Output is correct
31 Correct 9 ms 9324 KB Output is correct
32 Correct 9 ms 9324 KB Output is correct
33 Correct 9 ms 9324 KB Output is correct
34 Correct 9 ms 9324 KB Output is correct
35 Correct 11 ms 9324 KB Output is correct
36 Correct 9 ms 9324 KB Output is correct
37 Correct 10 ms 9324 KB Output is correct
38 Correct 9 ms 9324 KB Output is correct
39 Correct 9 ms 9324 KB Output is correct
40 Correct 9 ms 9324 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 2 ms 2156 KB Output is correct
22 Correct 2 ms 2156 KB Output is correct
23 Correct 2 ms 2156 KB Output is correct
24 Correct 2 ms 2156 KB Output is correct
25 Correct 2 ms 2156 KB Output is correct
26 Correct 2 ms 2156 KB Output is correct
27 Correct 2 ms 2156 KB Output is correct
28 Correct 1 ms 2156 KB Output is correct
29 Correct 2 ms 2156 KB Output is correct
30 Correct 1 ms 2156 KB Output is correct
31 Correct 9 ms 9324 KB Output is correct
32 Correct 9 ms 9324 KB Output is correct
33 Correct 9 ms 9324 KB Output is correct
34 Correct 9 ms 9324 KB Output is correct
35 Correct 11 ms 9324 KB Output is correct
36 Correct 9 ms 9324 KB Output is correct
37 Correct 10 ms 9324 KB Output is correct
38 Correct 9 ms 9324 KB Output is correct
39 Correct 9 ms 9324 KB Output is correct
40 Correct 9 ms 9324 KB Output is correct
41 Correct 401 ms 134252 KB Output is correct
42 Correct 403 ms 134396 KB Output is correct
43 Correct 401 ms 134516 KB Output is correct
44 Correct 393 ms 134252 KB Output is correct
45 Correct 402 ms 134380 KB Output is correct
46 Correct 407 ms 134380 KB Output is correct
47 Correct 398 ms 134504 KB Output is correct
48 Correct 402 ms 134656 KB Output is correct
49 Correct 402 ms 134636 KB Output is correct
50 Correct 404 ms 134508 KB Output is correct
51 Correct 403 ms 134380 KB Output is correct
52 Correct 399 ms 134380 KB Output is correct
53 Correct 401 ms 134380 KB Output is correct
54 Correct 395 ms 134380 KB Output is correct
55 Correct 417 ms 134508 KB Output is correct