oj.uz

Submission #241658

# Submission time Handle Problem Language Result Execution time Memory
241658 2020-06-25T05:19:20 Z arnold518 Rope (JOI17_rope) C++14
100 / 100
 1441 ms 84732 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e6;

int N, M, A[MAXN+10];
int val[MAXN+10], cnt[MAXN+10], maxv=0, ans[MAXN+10];
vector<int> V[MAXN+10];

void init()
{
    int i, j;
    memset(val, 0, sizeof(val));
    memset(cnt, 0, sizeof(cnt));
    for(i=1; i<=M; i++) V[i].clear();
    maxv=0;
    val[0]=N;
}

void push(int x)
{
    val[cnt[x]]--;
    cnt[x]++;
    val[cnt[x]]++;
    maxv=max(maxv, cnt[x]);
}

void pop(int x)
{
    val[cnt[x]]--;
    if(val[maxv]==0) maxv--;
    cnt[x]--;
    val[cnt[x]]++;
}

int main()
{
    int i, j;

    scanf("%d%d", &N, &M);
    for(i=1; i<=N; i++) scanf("%d", &A[i]);
    for(i=1; i<=M; i++) ans[i]=987654321;

    init();
    for(i=1; i<=N; i++) push(A[i]);

    for(i=1; i<=N; i+=2)
    {
        int a, b;
        if(i+1<=N)
        {
            a=A[i], b=A[i+1];
            if(a==b) continue;
            V[a].push_back(b);
            V[b].push_back(a);
        }
    }

    for(i=1; i<=M; i++)
    {
        int t=cnt[i];
        for(j=1; j<=t; j++) pop(i);
        for(auto it : V[i]) pop(it);
        ans[i]=min(ans[i], N-t-maxv);
        for(auto it : V[i]) push(it);
        for(j=1; j<=t; j++) push(i);
    }

    init();
    for(i=1; i<=N; i++) push(A[i]);

    for(i=2; i<=N; i+=2)
    {
        int a, b;
        if(i+1<=N)
        {
            a=A[i], b=A[i+1];
            if(a==b) continue;
            V[a].push_back(b);
            V[b].push_back(a);
        }
    }

    for(i=1; i<=M; i++)
    {
        int t=cnt[i];
        for(j=1; j<=t; j++) pop(i);
        for(auto it : V[i]) pop(it);
        ans[i]=min(ans[i], N-t-maxv);
        for(auto it : V[i]) push(it);
        for(j=1; j<=t; j++) push(i);
    }

    for(i=1; i<=M; i++) printf("%d\n", ans[i]);
}

Compilation message

rope.cpp: In function 'void init()':
rope.cpp:16:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
rope.cpp: In function 'int main()':
rope.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &M);
     ~~~~~^~~~~~~~~~~~~~~~
rope.cpp:45:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%d", &A[i]);
                         ~~~~~^~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 31616 KB Output is correct
2 Correct 25 ms 31616 KB Output is correct
3 Correct 25 ms 31616 KB Output is correct
4 Correct 24 ms 31616 KB Output is correct
5 Correct 24 ms 31616 KB Output is correct
6 Correct 25 ms 31608 KB Output is correct
7 Correct 25 ms 31744 KB Output is correct
8 Correct 24 ms 31616 KB Output is correct
9 Correct 25 ms 31616 KB Output is correct
10 Correct 24 ms 31616 KB Output is correct
11 Correct 24 ms 31616 KB Output is correct
12 Correct 24 ms 31488 KB Output is correct
13 Correct 24 ms 31616 KB Output is correct
14 Correct 23 ms 31616 KB Output is correct
15 Correct 24 ms 31616 KB Output is correct
16 Correct 25 ms 31616 KB Output is correct
17 Correct 27 ms 31616 KB Output is correct
18 Correct 29 ms 31612 KB Output is correct
19 Correct 24 ms 31616 KB Output is correct
20 Correct 24 ms 31616 KB Output is correct
21 Correct 26 ms 31616 KB Output is correct
22 Correct 24 ms 31616 KB Output is correct
23 Correct 24 ms 31616 KB Output is correct
24 Correct 25 ms 31616 KB Output is correct
25 Correct 29 ms 31616 KB Output is correct
26 Correct 24 ms 31616 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 31616 KB Output is correct
2 Correct 25 ms 31616 KB Output is correct
3 Correct 25 ms 31616 KB Output is correct
4 Correct 24 ms 31616 KB Output is correct
5 Correct 24 ms 31616 KB Output is correct
6 Correct 25 ms 31608 KB Output is correct
7 Correct 25 ms 31744 KB Output is correct
8 Correct 24 ms 31616 KB Output is correct
9 Correct 25 ms 31616 KB Output is correct
10 Correct 24 ms 31616 KB Output is correct
11 Correct 24 ms 31616 KB Output is correct
12 Correct 24 ms 31488 KB Output is correct
13 Correct 24 ms 31616 KB Output is correct
14 Correct 23 ms 31616 KB Output is correct
15 Correct 24 ms 31616 KB Output is correct
16 Correct 25 ms 31616 KB Output is correct
17 Correct 27 ms 31616 KB Output is correct
18 Correct 29 ms 31612 KB Output is correct
19 Correct 24 ms 31616 KB Output is correct
20 Correct 24 ms 31616 KB Output is correct
21 Correct 26 ms 31616 KB Output is correct
22 Correct 24 ms 31616 KB Output is correct
23 Correct 24 ms 31616 KB Output is correct
24 Correct 25 ms 31616 KB Output is correct
25 Correct 29 ms 31616 KB Output is correct
26 Correct 24 ms 31616 KB Output is correct
27 Correct 39 ms 32888 KB Output is correct
28 Correct 39 ms 32760 KB Output is correct
29 Correct 40 ms 32768 KB Output is correct
30 Correct 39 ms 32640 KB Output is correct
31 Correct 40 ms 32896 KB Output is correct
32 Correct 39 ms 32768 KB Output is correct
33 Correct 39 ms 32760 KB Output is correct
34 Correct 39 ms 32640 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 31616 KB Output is correct
2 Correct 25 ms 31616 KB Output is correct
3 Correct 25 ms 31616 KB Output is correct
4 Correct 24 ms 31616 KB Output is correct
5 Correct 24 ms 31616 KB Output is correct
6 Correct 25 ms 31608 KB Output is correct
7 Correct 25 ms 31744 KB Output is correct
8 Correct 24 ms 31616 KB Output is correct
9 Correct 25 ms 31616 KB Output is correct
10 Correct 24 ms 31616 KB Output is correct
11 Correct 24 ms 31616 KB Output is correct
12 Correct 24 ms 31488 KB Output is correct
13 Correct 24 ms 31616 KB Output is correct
14 Correct 23 ms 31616 KB Output is correct
15 Correct 24 ms 31616 KB Output is correct
16 Correct 25 ms 31616 KB Output is correct
17 Correct 27 ms 31616 KB Output is correct
18 Correct 29 ms 31612 KB Output is correct
19 Correct 24 ms 31616 KB Output is correct
20 Correct 24 ms 31616 KB Output is correct
21 Correct 26 ms 31616 KB Output is correct
22 Correct 24 ms 31616 KB Output is correct
23 Correct 24 ms 31616 KB Output is correct
24 Correct 25 ms 31616 KB Output is correct
25 Correct 29 ms 31616 KB Output is correct
26 Correct 24 ms 31616 KB Output is correct
27 Correct 39 ms 32888 KB Output is correct
28 Correct 39 ms 32760 KB Output is correct
29 Correct 40 ms 32768 KB Output is correct
30 Correct 39 ms 32640 KB Output is correct
31 Correct 40 ms 32896 KB Output is correct
32 Correct 39 ms 32768 KB Output is correct
33 Correct 39 ms 32760 KB Output is correct
34 Correct 39 ms 32640 KB Output is correct
35 Correct 45 ms 33024 KB Output is correct
36 Correct 44 ms 33016 KB Output is correct
37 Correct 43 ms 33024 KB Output is correct
38 Correct 42 ms 33016 KB Output is correct
39 Correct 42 ms 33024 KB Output is correct
40 Correct 42 ms 33024 KB Output is correct
41 Correct 45 ms 33020 KB Output is correct
42 Correct 41 ms 33016 KB Output is correct
43 Correct 43 ms 33016 KB Output is correct
44 Correct 44 ms 33016 KB Output is correct
45 Correct 42 ms 33024 KB Output is correct
46 Correct 43 ms 33016 KB Output is correct
47 Correct 41 ms 33024 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 31616 KB Output is correct
2 Correct 25 ms 31616 KB Output is correct
3 Correct 25 ms 31616 KB Output is correct
4 Correct 24 ms 31616 KB Output is correct
5 Correct 24 ms 31616 KB Output is correct
6 Correct 25 ms 31608 KB Output is correct
7 Correct 25 ms 31744 KB Output is correct
8 Correct 24 ms 31616 KB Output is correct
9 Correct 25 ms 31616 KB Output is correct
10 Correct 24 ms 31616 KB Output is correct
11 Correct 24 ms 31616 KB Output is correct
12 Correct 24 ms 31488 KB Output is correct
13 Correct 24 ms 31616 KB Output is correct
14 Correct 23 ms 31616 KB Output is correct
15 Correct 24 ms 31616 KB Output is correct
16 Correct 25 ms 31616 KB Output is correct
17 Correct 27 ms 31616 KB Output is correct
18 Correct 29 ms 31612 KB Output is correct
19 Correct 24 ms 31616 KB Output is correct
20 Correct 24 ms 31616 KB Output is correct
21 Correct 26 ms 31616 KB Output is correct
22 Correct 24 ms 31616 KB Output is correct
23 Correct 24 ms 31616 KB Output is correct
24 Correct 25 ms 31616 KB Output is correct
25 Correct 29 ms 31616 KB Output is correct
26 Correct 24 ms 31616 KB Output is correct
27 Correct 39 ms 32888 KB Output is correct
28 Correct 39 ms 32760 KB Output is correct
29 Correct 40 ms 32768 KB Output is correct
30 Correct 39 ms 32640 KB Output is correct
31 Correct 40 ms 32896 KB Output is correct
32 Correct 39 ms 32768 KB Output is correct
33 Correct 39 ms 32760 KB Output is correct
34 Correct 39 ms 32640 KB Output is correct
35 Correct 45 ms 33024 KB Output is correct
36 Correct 44 ms 33016 KB Output is correct
37 Correct 43 ms 33024 KB Output is correct
38 Correct 42 ms 33016 KB Output is correct
39 Correct 42 ms 33024 KB Output is correct
40 Correct 42 ms 33024 KB Output is correct
41 Correct 45 ms 33020 KB Output is correct
42 Correct 41 ms 33016 KB Output is correct
43 Correct 43 ms 33016 KB Output is correct
44 Correct 44 ms 33016 KB Output is correct
45 Correct 42 ms 33024 KB Output is correct
46 Correct 43 ms 33016 KB Output is correct
47 Correct 41 ms 33024 KB Output is correct
48 Correct 228 ms 46712 KB Output is correct
49 Correct 225 ms 46804 KB Output is correct
50 Correct 224 ms 46712 KB Output is correct
51 Correct 215 ms 46328 KB Output is correct
52 Correct 215 ms 45048 KB Output is correct
53 Correct 210 ms 45944 KB Output is correct
54 Correct 213 ms 45048 KB Output is correct
55 Correct 221 ms 44792 KB Output is correct
56 Correct 206 ms 44512 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 31616 KB Output is correct
2 Correct 25 ms 31616 KB Output is correct
3 Correct 25 ms 31616 KB Output is correct
4 Correct 24 ms 31616 KB Output is correct
5 Correct 24 ms 31616 KB Output is correct
6 Correct 25 ms 31608 KB Output is correct
7 Correct 25 ms 31744 KB Output is correct
8 Correct 24 ms 31616 KB Output is correct
9 Correct 25 ms 31616 KB Output is correct
10 Correct 24 ms 31616 KB Output is correct
11 Correct 24 ms 31616 KB Output is correct
12 Correct 24 ms 31488 KB Output is correct
13 Correct 24 ms 31616 KB Output is correct
14 Correct 23 ms 31616 KB Output is correct
15 Correct 24 ms 31616 KB Output is correct
16 Correct 25 ms 31616 KB Output is correct
17 Correct 27 ms 31616 KB Output is correct
18 Correct 29 ms 31612 KB Output is correct
19 Correct 24 ms 31616 KB Output is correct
20 Correct 24 ms 31616 KB Output is correct
21 Correct 26 ms 31616 KB Output is correct
22 Correct 24 ms 31616 KB Output is correct
23 Correct 24 ms 31616 KB Output is correct
24 Correct 25 ms 31616 KB Output is correct
25 Correct 29 ms 31616 KB Output is correct
26 Correct 24 ms 31616 KB Output is correct
27 Correct 39 ms 32888 KB Output is correct
28 Correct 39 ms 32760 KB Output is correct
29 Correct 40 ms 32768 KB Output is correct
30 Correct 39 ms 32640 KB Output is correct
31 Correct 40 ms 32896 KB Output is correct
32 Correct 39 ms 32768 KB Output is correct
33 Correct 39 ms 32760 KB Output is correct
34 Correct 39 ms 32640 KB Output is correct
35 Correct 45 ms 33024 KB Output is correct
36 Correct 44 ms 33016 KB Output is correct
37 Correct 43 ms 33024 KB Output is correct
38 Correct 42 ms 33016 KB Output is correct
39 Correct 42 ms 33024 KB Output is correct
40 Correct 42 ms 33024 KB Output is correct
41 Correct 45 ms 33020 KB Output is correct
42 Correct 41 ms 33016 KB Output is correct
43 Correct 43 ms 33016 KB Output is correct
44 Correct 44 ms 33016 KB Output is correct
45 Correct 42 ms 33024 KB Output is correct
46 Correct 43 ms 33016 KB Output is correct
47 Correct 41 ms 33024 KB Output is correct
48 Correct 228 ms 46712 KB Output is correct
49 Correct 225 ms 46804 KB Output is correct
50 Correct 224 ms 46712 KB Output is correct
51 Correct 215 ms 46328 KB Output is correct
52 Correct 215 ms 45048 KB Output is correct
53 Correct 210 ms 45944 KB Output is correct
54 Correct 213 ms 45048 KB Output is correct
55 Correct 221 ms 44792 KB Output is correct
56 Correct 206 ms 44512 KB Output is correct
57 Correct 1441 ms 84732 KB Output is correct
58 Correct 1124 ms 67832 KB Output is correct
59 Correct 1176 ms 67552 KB Output is correct
60 Correct 1155 ms 71780 KB Output is correct
61 Correct 1012 ms 72004 KB Output is correct
62 Correct 462 ms 57848 KB Output is correct
63 Correct 652 ms 62456 KB Output is correct
64 Correct 669 ms 59608 KB Output is correct
65 Correct 324 ms 51884 KB Output is correct