oj.uz

Submission #509062

# Submission time Handle Problem Language Result Execution time Memory
509062 2022-01-14T02:46:46 Z ITO Group Photo (JOI21_ho_t3) C++11
100 / 100
 552 ms 165260 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int fr[5001][5001], pa[5001][5001];
int main() {
    int n, a[5001], h, b[5001], x = 0, y, c = 0;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> h;
        a[h] = i;
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fr[i][j] = fr[i][j - 1];
            if (a[j] < a[i]) {
                fr[i][j]++;
            }
        }
    }
    for (int i = 1; i <= n; i++) {
        pa[i][i] = fr[i][n] - fr[i][i];
        for (int j = i + 1; j <= n; j++) {
            pa[i][j] = pa[i][j - 1] + fr[j][n] - fr[j][j] - (j - i) + (fr[j][j] - fr[j][i - 1]) * 2;
        }
    }
    for (int i = n; i > 0; i--) {
        for (int j = i; j < n; j++) {
            pa[i][n] = min(pa[i][n], pa[i][j] + pa[j + 1][n]);
        }
    }
    cout << pa[1][n] << '\n';
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:6:24: warning: unused variable 'b' [-Wunused-variable]
    6 |     int n, a[5001], h, b[5001], x = 0, y, c = 0;
      |                        ^
Main.cpp:6:33: warning: unused variable 'x' [-Wunused-variable]
    6 |     int n, a[5001], h, b[5001], x = 0, y, c = 0;
      |                                 ^
Main.cpp:6:40: warning: unused variable 'y' [-Wunused-variable]
    6 |     int n, a[5001], h, b[5001], x = 0, y, c = 0;
      |                                        ^
Main.cpp:6:43: warning: unused variable 'c' [-Wunused-variable]
    6 |     int n, a[5001], h, b[5001], x = 0, y, c = 0;
      |                                           ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 312 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 308 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 312 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 1 ms 444 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 444 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 0 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct

Subtask #3
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 312 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 1 ms 444 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 444 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 0 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 2124 KB Output is correct
22 Correct 2 ms 2124 KB Output is correct
23 Correct 2 ms 2124 KB Output is correct
24 Correct 1 ms 2124 KB Output is correct
25 Correct 1 ms 2124 KB Output is correct
26 Correct 1 ms 2124 KB Output is correct
27 Correct 2 ms 2108 KB Output is correct
28 Correct 2 ms 2124 KB Output is correct
29 Correct 3 ms 2096 KB Output is correct
30 Correct 2 ms 2124 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 312 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 1 ms 444 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 444 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 0 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 2124 KB Output is correct
22 Correct 2 ms 2124 KB Output is correct
23 Correct 2 ms 2124 KB Output is correct
24 Correct 1 ms 2124 KB Output is correct
25 Correct 1 ms 2124 KB Output is correct
26 Correct 1 ms 2124 KB Output is correct
27 Correct 2 ms 2108 KB Output is correct
28 Correct 2 ms 2124 KB Output is correct
29 Correct 3 ms 2096 KB Output is correct
30 Correct 2 ms 2124 KB Output is correct
31 Correct 8 ms 10416 KB Output is correct
32 Correct 8 ms 10408 KB Output is correct
33 Correct 9 ms 10444 KB Output is correct
34 Correct 9 ms 10464 KB Output is correct
35 Correct 8 ms 10444 KB Output is correct
36 Correct 8 ms 10420 KB Output is correct
37 Correct 8 ms 10532 KB Output is correct
38 Correct 13 ms 10428 KB Output is correct
39 Correct 8 ms 10524 KB Output is correct
40 Correct 8 ms 10444 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 312 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 1 ms 444 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 444 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 0 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 2124 KB Output is correct
22 Correct 2 ms 2124 KB Output is correct
23 Correct 2 ms 2124 KB Output is correct
24 Correct 1 ms 2124 KB Output is correct
25 Correct 1 ms 2124 KB Output is correct
26 Correct 1 ms 2124 KB Output is correct
27 Correct 2 ms 2108 KB Output is correct
28 Correct 2 ms 2124 KB Output is correct
29 Correct 3 ms 2096 KB Output is correct
30 Correct 2 ms 2124 KB Output is correct
31 Correct 8 ms 10416 KB Output is correct
32 Correct 8 ms 10408 KB Output is correct
33 Correct 9 ms 10444 KB Output is correct
34 Correct 9 ms 10464 KB Output is correct
35 Correct 8 ms 10444 KB Output is correct
36 Correct 8 ms 10420 KB Output is correct
37 Correct 8 ms 10532 KB Output is correct
38 Correct 13 ms 10428 KB Output is correct
39 Correct 8 ms 10524 KB Output is correct
40 Correct 8 ms 10444 KB Output is correct
41 Correct 461 ms 165024 KB Output is correct
42 Correct 459 ms 165032 KB Output is correct
43 Correct 534 ms 165012 KB Output is correct
44 Correct 552 ms 165032 KB Output is correct
45 Correct 542 ms 165128 KB Output is correct
46 Correct 529 ms 165260 KB Output is correct
47 Correct 459 ms 165140 KB Output is correct
48 Correct 441 ms 165176 KB Output is correct
49 Correct 448 ms 165052 KB Output is correct
50 Correct 439 ms 165176 KB Output is correct
51 Correct 450 ms 165060 KB Output is correct
52 Correct 433 ms 165080 KB Output is correct
53 Correct 438 ms 165044 KB Output is correct
54 Correct 431 ms 165072 KB Output is correct
55 Correct 457 ms 165236 KB Output is correct