oj.uz

Submission #50111

# Submission time Handle Problem Language Result Execution time Memory
50111 2018-06-07T14:39:21 Z SpaimaCarpatilor Rope (JOI17_rope) C++17
80 / 100
 385 ms 79180 KB 
#include<bits/stdc++.h>

using namespace std;

int N, M, ans[5009], h[5009][5009], g[5009], a[1000009];

int main ()
{
//sfreopen ("input", "r", stdin);
//freopen ("output", "w", stdout);

scanf ("%d %d", &N, &M);
for (int i=1; i<=M; i++)
    ans[i] = N;
for (int i=1; i<=N; i++)
    scanf ("%d", &a[i]), ans[a[i]] --;
for (int shift = 0; shift < 2; shift ++)
{
    int all = 0;
    for (int i=shift + 1; i<N; i+=2)
    {
        all ++;
        g[a[i]] ++, g[a[i + 1]] ++;
        if (a[i] < a[i + 1]) h[a[i]][a[i + 1]] ++;
        else h[a[i + 1]][a[i]] ++;
    }
    for (int i=1; i<=M; i++)
        for (int j=i + 1; j<=M; j++)
        {
            int curr = 2 * (all - g[i] - g[j] + h[i][j] + h[i][i] + h[j][j]) +
                           (g[i] + g[j] - h[i][j] - 2 * h[i][i] - 2 * h[j][j]);
            if (shift == 1) curr += (a[1] != i && a[1] != j);
            if (N % 2 != shift) curr += (a[N] != i && a[N] != j);
            if (curr < ans[i]) ans[i] = curr;
            if (curr < ans[j]) ans[j] = curr;
        }
    for (int i=shift + 1; i<N; i+=2)
    {
        g[a[i]] --, g[a[i + 1]] --;
        if (a[i] < a[i + 1]) h[a[i]][a[i + 1]] --;
        else h[a[i + 1]][a[i]] --;
    }
}
for (int i=1; i<=M; i++)
    printf ("%d\n", ans[i]);
return 0;
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf ("%d %d", &N, &M);
 ~~~~~~^~~~~~~~~~~~~~~~~
rope.cpp:16:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d", &a[i]), ans[a[i]] --;
     ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 3 ms 548 KB Output is correct
8 Correct 3 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 548 KB Output is correct
11 Correct 3 ms 548 KB Output is correct
12 Correct 4 ms 676 KB Output is correct
13 Correct 3 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 2 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 2 ms 676 KB Output is correct
24 Correct 3 ms 676 KB Output is correct
25 Correct 2 ms 676 KB Output is correct
26 Correct 2 ms 676 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 3 ms 548 KB Output is correct
8 Correct 3 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 548 KB Output is correct
11 Correct 3 ms 548 KB Output is correct
12 Correct 4 ms 676 KB Output is correct
13 Correct 3 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 2 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 2 ms 676 KB Output is correct
24 Correct 3 ms 676 KB Output is correct
25 Correct 2 ms 676 KB Output is correct
26 Correct 2 ms 676 KB Output is correct
27 Correct 16 ms 1136 KB Output is correct
28 Correct 19 ms 1452 KB Output is correct
29 Correct 18 ms 1808 KB Output is correct
30 Correct 18 ms 2004 KB Output is correct
31 Correct 19 ms 2264 KB Output is correct
32 Correct 17 ms 2264 KB Output is correct
33 Correct 18 ms 2556 KB Output is correct
34 Correct 18 ms 2640 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 3 ms 548 KB Output is correct
8 Correct 3 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 548 KB Output is correct
11 Correct 3 ms 548 KB Output is correct
12 Correct 4 ms 676 KB Output is correct
13 Correct 3 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 2 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 2 ms 676 KB Output is correct
24 Correct 3 ms 676 KB Output is correct
25 Correct 2 ms 676 KB Output is correct
26 Correct 2 ms 676 KB Output is correct
27 Correct 16 ms 1136 KB Output is correct
28 Correct 19 ms 1452 KB Output is correct
29 Correct 18 ms 1808 KB Output is correct
30 Correct 18 ms 2004 KB Output is correct
31 Correct 19 ms 2264 KB Output is correct
32 Correct 17 ms 2264 KB Output is correct
33 Correct 18 ms 2556 KB Output is correct
34 Correct 18 ms 2640 KB Output is correct
35 Correct 24 ms 5524 KB Output is correct
36 Correct 23 ms 5896 KB Output is correct
37 Correct 35 ms 6172 KB Output is correct
38 Correct 24 ms 6584 KB Output is correct
39 Correct 23 ms 7044 KB Output is correct
40 Correct 24 ms 7416 KB Output is correct
41 Correct 23 ms 7852 KB Output is correct
42 Correct 20 ms 7852 KB Output is correct
43 Correct 21 ms 7852 KB Output is correct
44 Correct 23 ms 8896 KB Output is correct
45 Correct 21 ms 9264 KB Output is correct
46 Correct 20 ms 9264 KB Output is correct
47 Correct 22 ms 9264 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 3 ms 548 KB Output is correct
8 Correct 3 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 548 KB Output is correct
11 Correct 3 ms 548 KB Output is correct
12 Correct 4 ms 676 KB Output is correct
13 Correct 3 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 2 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 2 ms 676 KB Output is correct
24 Correct 3 ms 676 KB Output is correct
25 Correct 2 ms 676 KB Output is correct
26 Correct 2 ms 676 KB Output is correct
27 Correct 16 ms 1136 KB Output is correct
28 Correct 19 ms 1452 KB Output is correct
29 Correct 18 ms 1808 KB Output is correct
30 Correct 18 ms 2004 KB Output is correct
31 Correct 19 ms 2264 KB Output is correct
32 Correct 17 ms 2264 KB Output is correct
33 Correct 18 ms 2556 KB Output is correct
34 Correct 18 ms 2640 KB Output is correct
35 Correct 24 ms 5524 KB Output is correct
36 Correct 23 ms 5896 KB Output is correct
37 Correct 35 ms 6172 KB Output is correct
38 Correct 24 ms 6584 KB Output is correct
39 Correct 23 ms 7044 KB Output is correct
40 Correct 24 ms 7416 KB Output is correct
41 Correct 23 ms 7852 KB Output is correct
42 Correct 20 ms 7852 KB Output is correct
43 Correct 21 ms 7852 KB Output is correct
44 Correct 23 ms 8896 KB Output is correct
45 Correct 21 ms 9264 KB Output is correct
46 Correct 20 ms 9264 KB Output is correct
47 Correct 22 ms 9264 KB Output is correct
48 Correct 385 ms 45300 KB Output is correct
49 Correct 350 ms 49724 KB Output is correct
50 Correct 311 ms 54124 KB Output is correct
51 Correct 207 ms 54124 KB Output is correct
52 Correct 197 ms 54124 KB Output is correct
53 Correct 354 ms 66616 KB Output is correct
54 Correct 303 ms 70768 KB Output is correct
55 Correct 259 ms 75184 KB Output is correct
56 Correct 238 ms 79180 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 544 KB Output is correct
7 Correct 3 ms 548 KB Output is correct
8 Correct 3 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 548 KB Output is correct
11 Correct 3 ms 548 KB Output is correct
12 Correct 4 ms 676 KB Output is correct
13 Correct 3 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 2 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 2 ms 676 KB Output is correct
24 Correct 3 ms 676 KB Output is correct
25 Correct 2 ms 676 KB Output is correct
26 Correct 2 ms 676 KB Output is correct
27 Correct 16 ms 1136 KB Output is correct
28 Correct 19 ms 1452 KB Output is correct
29 Correct 18 ms 1808 KB Output is correct
30 Correct 18 ms 2004 KB Output is correct
31 Correct 19 ms 2264 KB Output is correct
32 Correct 17 ms 2264 KB Output is correct
33 Correct 18 ms 2556 KB Output is correct
34 Correct 18 ms 2640 KB Output is correct
35 Correct 24 ms 5524 KB Output is correct
36 Correct 23 ms 5896 KB Output is correct
37 Correct 35 ms 6172 KB Output is correct
38 Correct 24 ms 6584 KB Output is correct
39 Correct 23 ms 7044 KB Output is correct
40 Correct 24 ms 7416 KB Output is correct
41 Correct 23 ms 7852 KB Output is correct
42 Correct 20 ms 7852 KB Output is correct
43 Correct 21 ms 7852 KB Output is correct
44 Correct 23 ms 8896 KB Output is correct
45 Correct 21 ms 9264 KB Output is correct
46 Correct 20 ms 9264 KB Output is correct
47 Correct 22 ms 9264 KB Output is correct
48 Correct 385 ms 45300 KB Output is correct
49 Correct 350 ms 49724 KB Output is correct
50 Correct 311 ms 54124 KB Output is correct
51 Correct 207 ms 54124 KB Output is correct
52 Correct 197 ms 54124 KB Output is correct
53 Correct 354 ms 66616 KB Output is correct
54 Correct 303 ms 70768 KB Output is correct
55 Correct 259 ms 75184 KB Output is correct
56 Correct 238 ms 79180 KB Output is correct
57 Runtime error 6 ms 79180 KB Execution killed with signal 11 (could be triggered by violating memory limits)
58 Halted 0 ms 0 KB -