답안 #362819

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
362819	2021-02-04T12:51:13 Z	denkendoemeer	Rope (JOI17_rope)	C++14	100 / 100	1112 ms	80592 KB

rope

#include<bits/stdc++.h>
using namespace std;
int v[1000005],cost[1000005],ind[1000005];
vector<int>g[1000005];
int cmp(int a,int b)
{
    return cost[a]<cost[b];
}
int main()
{
    //freopen(".in","r",stdin);
    //freopen(".out","w",stdout);
    int n,m,i;
    scanf("%d%d",&n,&m);
    for(i=0;i<n;i++){
        scanf("%d",&v[i]);
        v[i]--;
        g[v[i]].push_back(i);
        cost[v[i]]--;
    }
    for(i=0;i<m;i++)
        ind[i]=i;
    sort(ind,ind+m,cmp);
    int cul;
    for(cul=0;cul<m;cul++){
        int ans=n-(int)g[cul].size();
        for(i=0;i<2;i++){
            int cnt=0;
            for(auto it:g[cul]){
                if (it>0 && it%2!=i){
                    cost[v[it-1]]++;
                    cnt++;
                }
                if (it<n-1 && (it+1)%2!=i){
                    cost[v[it+1]]++;
                    cnt++;
                }
            }
            cnt=min(cnt+2,m);
            int num=n,j;
            for(j=0;j<cnt;j++){
                if (ind[j]==cul)
                    continue;
                num=min(num,cost[ind[j]]);
            }
            ans=min(ans,n-(int)g[cul].size()+num);
            for(auto it:g[cul]){
                if (it>0 && it%2!=i)
                    cost[v[it-1]]--;
                if (it<n-1 && (it+1)%2!=i)
                    cost[v[it+1]]--;
            }
        }
        printf("%d\n",ans);
    }
return 0;
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
rope.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |         scanf("%d",&v[i]);
      |         ~~~~~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	19 ms	23788 KB	Output is correct
8	Correct	17 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	24044 KB	Output is correct
13	Correct	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	18 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	17 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	16 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	17 ms	23936 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	19 ms	23788 KB	Output is correct
8	Correct	17 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	24044 KB	Output is correct
13	Correct	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	18 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	17 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	16 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	17 ms	23936 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	32 ms	25196 KB	Output is correct
28	Correct	31 ms	24940 KB	Output is correct
29	Correct	32 ms	25088 KB	Output is correct
30	Correct	32 ms	25068 KB	Output is correct
31	Correct	32 ms	25068 KB	Output is correct
32	Correct	31 ms	25068 KB	Output is correct
33	Correct	31 ms	24940 KB	Output is correct
34	Correct	32 ms	25000 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	19 ms	23788 KB	Output is correct
8	Correct	17 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	24044 KB	Output is correct
13	Correct	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	18 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	17 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	16 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	17 ms	23936 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	32 ms	25196 KB	Output is correct
28	Correct	31 ms	24940 KB	Output is correct
29	Correct	32 ms	25088 KB	Output is correct
30	Correct	32 ms	25068 KB	Output is correct
31	Correct	32 ms	25068 KB	Output is correct
32	Correct	31 ms	25068 KB	Output is correct
33	Correct	31 ms	24940 KB	Output is correct
34	Correct	32 ms	25000 KB	Output is correct
35	Correct	36 ms	25196 KB	Output is correct
36	Correct	36 ms	25196 KB	Output is correct
37	Correct	36 ms	25196 KB	Output is correct
38	Correct	36 ms	25196 KB	Output is correct
39	Correct	36 ms	25324 KB	Output is correct
40	Correct	34 ms	25324 KB	Output is correct
41	Correct	34 ms	25324 KB	Output is correct
42	Correct	33 ms	25196 KB	Output is correct
43	Correct	37 ms	25344 KB	Output is correct
44	Correct	36 ms	25196 KB	Output is correct
45	Correct	33 ms	25324 KB	Output is correct
46	Correct	34 ms	25196 KB	Output is correct
47	Correct	33 ms	25196 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	19 ms	23788 KB	Output is correct
8	Correct	17 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	24044 KB	Output is correct
13	Correct	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	18 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	17 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	16 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	17 ms	23936 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	32 ms	25196 KB	Output is correct
28	Correct	31 ms	24940 KB	Output is correct
29	Correct	32 ms	25088 KB	Output is correct
30	Correct	32 ms	25068 KB	Output is correct
31	Correct	32 ms	25068 KB	Output is correct
32	Correct	31 ms	25068 KB	Output is correct
33	Correct	31 ms	24940 KB	Output is correct
34	Correct	32 ms	25000 KB	Output is correct
35	Correct	36 ms	25196 KB	Output is correct
36	Correct	36 ms	25196 KB	Output is correct
37	Correct	36 ms	25196 KB	Output is correct
38	Correct	36 ms	25196 KB	Output is correct
39	Correct	36 ms	25324 KB	Output is correct
40	Correct	34 ms	25324 KB	Output is correct
41	Correct	34 ms	25324 KB	Output is correct
42	Correct	33 ms	25196 KB	Output is correct
43	Correct	37 ms	25344 KB	Output is correct
44	Correct	36 ms	25196 KB	Output is correct
45	Correct	33 ms	25324 KB	Output is correct
46	Correct	34 ms	25196 KB	Output is correct
47	Correct	33 ms	25196 KB	Output is correct
48	Correct	284 ms	39068 KB	Output is correct
49	Correct	265 ms	39020 KB	Output is correct
50	Correct	276 ms	39004 KB	Output is correct
51	Correct	254 ms	38636 KB	Output is correct
52	Correct	240 ms	37228 KB	Output is correct
53	Correct	215 ms	38172 KB	Output is correct
54	Correct	201 ms	37100 KB	Output is correct
55	Correct	197 ms	36972 KB	Output is correct
56	Correct	192 ms	36716 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	19 ms	23788 KB	Output is correct
8	Correct	17 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	24044 KB	Output is correct
13	Correct	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	18 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	17 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	16 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	17 ms	23936 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	32 ms	25196 KB	Output is correct
28	Correct	31 ms	24940 KB	Output is correct
29	Correct	32 ms	25088 KB	Output is correct
30	Correct	32 ms	25068 KB	Output is correct
31	Correct	32 ms	25068 KB	Output is correct
32	Correct	31 ms	25068 KB	Output is correct
33	Correct	31 ms	24940 KB	Output is correct
34	Correct	32 ms	25000 KB	Output is correct
35	Correct	36 ms	25196 KB	Output is correct
36	Correct	36 ms	25196 KB	Output is correct
37	Correct	36 ms	25196 KB	Output is correct
38	Correct	36 ms	25196 KB	Output is correct
39	Correct	36 ms	25324 KB	Output is correct
40	Correct	34 ms	25324 KB	Output is correct
41	Correct	34 ms	25324 KB	Output is correct
42	Correct	33 ms	25196 KB	Output is correct
43	Correct	37 ms	25344 KB	Output is correct
44	Correct	36 ms	25196 KB	Output is correct
45	Correct	33 ms	25324 KB	Output is correct
46	Correct	34 ms	25196 KB	Output is correct
47	Correct	33 ms	25196 KB	Output is correct
48	Correct	284 ms	39068 KB	Output is correct
49	Correct	265 ms	39020 KB	Output is correct
50	Correct	276 ms	39004 KB	Output is correct
51	Correct	254 ms	38636 KB	Output is correct
52	Correct	240 ms	37228 KB	Output is correct
53	Correct	215 ms	38172 KB	Output is correct
54	Correct	201 ms	37100 KB	Output is correct
55	Correct	197 ms	36972 KB	Output is correct
56	Correct	192 ms	36716 KB	Output is correct
57	Correct	1112 ms	80592 KB	Output is correct
58	Correct	956 ms	62316 KB	Output is correct
59	Correct	931 ms	62316 KB	Output is correct
60	Correct	1008 ms	66960 KB	Output is correct
61	Correct	986 ms	66812 KB	Output is correct
62	Correct	461 ms	51244 KB	Output is correct
63	Correct	667 ms	56428 KB	Output is correct
64	Correct	572 ms	53228 KB	Output is correct
65	Correct	319 ms	44780 KB	Output is correct

답안 #362819

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 10.0 / 10.0

Subtask #4 25.0 / 25.0

Subtask #5 20.0 / 20.0

Subtask #1
15.0 / 15.0

Subtask #2
30.0 / 30.0

Subtask #3
10.0 / 10.0

Subtask #4
25.0 / 25.0

Subtask #5
20.0 / 20.0