oj.uz

Submission #974403

# Submission time Handle Problem Language Result Execution time Memory
974403 2024-05-03T09:47:18 Z sleepntsheep Village (BOI20_village) C
50 / 100
 41 ms 11856 KB 
#include<stdio.h>

#define N 100000
#define M (2*N)

int n, p1[N],head[N], nxt[M], vv[M], eo = 1, tin[N], timer, aux[N],sz[N],qu[N],qh,qt,deg[N];
void link(int u,int v)
{
    int i = eo++;
    nxt[i]=head[u],vv[i]=v,head[u]=i;
    ++deg[v];
}

long long max, min;
void dfs(int u,int p)
{
    sz[u]=1;
    aux[tin[u] = timer++] = u;
    for (int j =head[u];j;j=nxt[j])if(p!=vv[j]){
        dfs(vv[j],u);
        max+=sz[vv[j]]<(n-sz[vv[j]])?sz[vv[j]]:n-sz[vv[j]];
        sz[u]+=sz[vv[j]];
    }
}

int main()
{
    scanf("%d",&n);
    for(int i=1,u,v;i<n;++i)scanf("%d%d",&u,&v),link(--u,--v),link(v,u);
    dfs(0,0);
    for(int i=0;i<n;++i)p1[i]=i;

    for(int i=0;i<n;++i)if(deg[i]==1)qu[qh++]=i;
    while(qh-qt)
    {
        int temp,u=qu[qt++],f=0;
        for(int j=head[u];j;j=nxt[j])
        {
            int v=vv[j];
            if(--deg[v]==1){
                qu[qh++]=v;
                min+=2;
                f=1;
                temp=p1[u],p1[u]=p1[v],p1[v]=temp;
                break;
            }
        }
        if(!f)
        {
            int v=vv[head[u]];
            temp=p1[u],p1[u]=p1[v],p1[v]=temp;
            min+=2;
        }
    }

    printf("%lld %lld\n",2*n,max<<1);
    for(int i=0;i<n;++i)
        printf("%d ",1+p1[i]);
    putchar(10);
    for(int i=0;i<n;++i)
        printf("%d ",1+aux[(tin[i]+n/2)%n]);
}

Compilation message

Village.c: In function 'main':
Village.c:56:16: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
   56 |     printf("%lld %lld\n",2*n,max<<1);
      |             ~~~^         ~~~
      |                |          |
      |                |          int
      |                long long int
      |             %d
Village.c:28:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     scanf("%d",&n);
      |     ^~~~~~~~~~~~~~
Village.c:29:29: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |     for(int i=1,u,v;i<n;++i)scanf("%d%d",&u,&v),link(--u,--v),link(v,u);
      |                             ^~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2392 KB Partially correct
2 Partially correct 1 ms 2392 KB Partially correct
3 Partially correct 1 ms 2396 KB Partially correct
4 Partially correct 0 ms 2396 KB Partially correct
5 Partially correct 1 ms 2396 KB Partially correct
6 Partially correct 0 ms 2396 KB Partially correct
7 Partially correct 0 ms 2396 KB Partially correct
8 Partially correct 0 ms 2396 KB Partially correct
9 Partially correct 1 ms 2396 KB Partially correct
10 Partially correct 0 ms 2396 KB Partially correct
11 Partially correct 0 ms 2396 KB Partially correct
12 Partially correct 0 ms 2472 KB Partially correct
13 Partially correct 1 ms 2392 KB Partially correct
14 Partially correct 1 ms 2396 KB Partially correct
15 Partially correct 1 ms 2396 KB Partially correct
16 Partially correct 1 ms 2392 KB Partially correct
17 Partially correct 1 ms 2396 KB Partially correct

Subtask #2
19.0 / 38.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2396 KB Partially correct
2 Partially correct 1 ms 2396 KB Partially correct
3 Partially correct 1 ms 2396 KB Partially correct
4 Partially correct 1 ms 2396 KB Partially correct
5 Partially correct 1 ms 2396 KB Partially correct
6 Partially correct 1 ms 2396 KB Partially correct
7 Partially correct 1 ms 2396 KB Partially correct
8 Partially correct 1 ms 2392 KB Partially correct
9 Partially correct 1 ms 2396 KB Partially correct
10 Partially correct 1 ms 2396 KB Partially correct
11 Partially correct 1 ms 2396 KB Partially correct
12 Partially correct 1 ms 2392 KB Partially correct
13 Partially correct 1 ms 2396 KB Partially correct
14 Partially correct 1 ms 2396 KB Partially correct
15 Partially correct 1 ms 2396 KB Partially correct
16 Partially correct 1 ms 2396 KB Partially correct
17 Partially correct 1 ms 2396 KB Partially correct
18 Partially correct 1 ms 2396 KB Partially correct
19 Partially correct 1 ms 2396 KB Partially correct
20 Partially correct 1 ms 2396 KB Partially correct
21 Partially correct 1 ms 2396 KB Partially correct
22 Partially correct 1 ms 2396 KB Partially correct
23 Partially correct 1 ms 2392 KB Partially correct
24 Partially correct 1 ms 2392 KB Partially correct
25 Partially correct 1 ms 2392 KB Partially correct
26 Partially correct 1 ms 2396 KB Partially correct
27 Partially correct 1 ms 2396 KB Partially correct
28 Partially correct 1 ms 2396 KB Partially correct
29 Partially correct 1 ms 2396 KB Partially correct
30 Partially correct 1 ms 2396 KB Partially correct

Subtask #3
25.0 / 50.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2392 KB Partially correct
2 Partially correct 1 ms 2392 KB Partially correct
3 Partially correct 1 ms 2396 KB Partially correct
4 Partially correct 0 ms 2396 KB Partially correct
5 Partially correct 1 ms 2396 KB Partially correct
6 Partially correct 0 ms 2396 KB Partially correct
7 Partially correct 0 ms 2396 KB Partially correct
8 Partially correct 0 ms 2396 KB Partially correct
9 Partially correct 1 ms 2396 KB Partially correct
10 Partially correct 0 ms 2396 KB Partially correct
11 Partially correct 0 ms 2396 KB Partially correct
12 Partially correct 0 ms 2472 KB Partially correct
13 Partially correct 1 ms 2392 KB Partially correct
14 Partially correct 1 ms 2396 KB Partially correct
15 Partially correct 1 ms 2396 KB Partially correct
16 Partially correct 1 ms 2392 KB Partially correct
17 Partially correct 1 ms 2396 KB Partially correct
18 Partially correct 1 ms 2396 KB Partially correct
19 Partially correct 1 ms 2396 KB Partially correct
20 Partially correct 1 ms 2396 KB Partially correct
21 Partially correct 1 ms 2396 KB Partially correct
22 Partially correct 1 ms 2396 KB Partially correct
23 Partially correct 1 ms 2396 KB Partially correct
24 Partially correct 1 ms 2396 KB Partially correct
25 Partially correct 1 ms 2392 KB Partially correct
26 Partially correct 1 ms 2396 KB Partially correct
27 Partially correct 1 ms 2396 KB Partially correct
28 Partially correct 1 ms 2396 KB Partially correct
29 Partially correct 1 ms 2392 KB Partially correct
30 Partially correct 1 ms 2396 KB Partially correct
31 Partially correct 1 ms 2396 KB Partially correct
32 Partially correct 1 ms 2396 KB Partially correct
33 Partially correct 1 ms 2396 KB Partially correct
34 Partially correct 1 ms 2396 KB Partially correct
35 Partially correct 1 ms 2396 KB Partially correct
36 Partially correct 1 ms 2396 KB Partially correct
37 Partially correct 1 ms 2396 KB Partially correct
38 Partially correct 1 ms 2396 KB Partially correct
39 Partially correct 1 ms 2396 KB Partially correct
40 Partially correct 1 ms 2392 KB Partially correct
41 Partially correct 1 ms 2392 KB Partially correct
42 Partially correct 1 ms 2392 KB Partially correct
43 Partially correct 1 ms 2396 KB Partially correct
44 Partially correct 1 ms 2396 KB Partially correct
45 Partially correct 1 ms 2396 KB Partially correct
46 Partially correct 1 ms 2396 KB Partially correct
47 Partially correct 1 ms 2396 KB Partially correct
48 Partially correct 31 ms 5468 KB Partially correct
49 Partially correct 34 ms 5712 KB Partially correct
50 Partially correct 34 ms 5912 KB Partially correct
51 Partially correct 26 ms 4948 KB Partially correct
52 Partially correct 33 ms 5740 KB Partially correct
53 Partially correct 30 ms 5456 KB Partially correct
54 Partially correct 20 ms 6748 KB Partially correct
55 Partially correct 38 ms 11856 KB Partially correct
56 Partially correct 36 ms 8528 KB Partially correct
57 Partially correct 35 ms 7764 KB Partially correct
58 Partially correct 36 ms 6988 KB Partially correct
59 Partially correct 41 ms 6064 KB Partially correct
60 Partially correct 30 ms 5720 KB Partially correct
61 Partially correct 30 ms 5848 KB Partially correct
62 Partially correct 31 ms 5716 KB Partially correct
63 Partially correct 29 ms 5460 KB Partially correct
64 Partially correct 31 ms 5644 KB Partially correct
65 Partially correct 31 ms 5716 KB Partially correct
66 Partially correct 29 ms 5464 KB Partially correct
67 Partially correct 22 ms 4700 KB Partially correct
68 Partially correct 27 ms 5208 KB Partially correct
69 Partially correct 32 ms 5712 KB Partially correct
70 Partially correct 29 ms 5460 KB Partially correct
71 Partially correct 21 ms 4700 KB Partially correct
72 Partially correct 25 ms 4952 KB Partially correct
73 Partially correct 37 ms 5636 KB Partially correct
74 Partially correct 29 ms 5804 KB Partially correct
75 Partially correct 33 ms 5856 KB Partially correct
76 Partially correct 36 ms 5708 KB Partially correct
77 Partially correct 38 ms 5500 KB Partially correct
78 Partially correct 21 ms 4440 KB Partially correct
79 Partially correct 25 ms 4956 KB Partially correct
80 Partially correct 33 ms 5712 KB Partially correct
81 Partially correct 30 ms 5508 KB Partially correct
82 Partially correct 32 ms 5724 KB Partially correct