oj.uz

Submission #977620

# Submission time Handle Problem Language Result Execution time Memory
977620 2024-05-08T07:43:21 Z sleepntsheep Unique Cities (JOI19_ho_t5) C
100 / 100
 162 ms 31292 KB 
#include<stdio.h>
#include<string.h>

#define N 200000
#define N_ (N+1)

int n, m, c[N_], head[N_], vv[N_<<1], nxt[N_<<1], i, u, v, far,dd[N_], rt, orz[N_], oo, hh[N_], longc[N_][2], fr[N_], dist, ans[N_];

void link(int u,int v)
{
    static int i=1;
    nxt[i]=head[u];
    vv[i]=v;
    head[u]=i++;
}


void dfs0(int u,int p)
{
    dd[u]=dd[p]+1;
    if(dd[u]>dd[far])far=u;
    for(int j=head[u];j;j=nxt[j])if(vv[j]-p)dfs0(vv[j],u);
}

void dfs1(int u,int p)
{
    dd[u]=dd[p]+1;
    hh[u]=0;
    for(int j=head[u];j;j=nxt[j])if(vv[j]-p)
    {
        dfs1(vv[j],u);
        if(hh[vv[j]]>hh[longc[u][0]])
            longc[u][1]=longc[u][0],longc[u][0]=vv[j];
        else if(hh[vv[j]]>hh[longc[u][1]])
            longc[u][1]=vv[j];
    }
    hh[u]=hh[longc[u][0]]+1;
}

void del(int x) { dist-=!--fr[x]; }
void ins(int x) { dist+=!fr[x]++; }

void dfs2(int u,int p)
{
    if(p)ins(c[p]),orz[++oo]=p;

    if(longc[u][0])
    {
        while(oo&&dd[u]-dd[orz[oo]]<=hh[longc[u][1]])
            del(c[orz[oo--]]);
        dfs2(longc[u][0],u);
    }
    while(oo&&dd[u]-dd[orz[oo]]<=hh[longc[u][0]])
        del(c[orz[oo--]]);
    for(int j=head[u];j;j=nxt[j])if(vv[j]-p&&vv[j]-longc[u][0])
        dfs2(vv[j],u);
    if(dist>ans[u])ans[u]=dist;
    if(orz[oo]==p)del(c[orz[oo--]]);
}

void solve(int u)
{
    dfs0(u,0);
    rt=far;
    dfs1(rt,0);
    dfs2(rt,0);
    oo=dist=0;
    memset(longc,0,sizeof longc);
    memset(fr,0,sizeof fr);
}

int main()
{
    scanf("%d%d",&n,&m);
    for(i=1;i<n;++i)scanf("%d%d",&u,&v),link(u,v),link(v,u);
    for(i=1;i<=n;++i)scanf("%d",c+i);
    solve(1);
    solve(rt);
    for(i=1;i<=n;++i)printf("%d\n",ans[i]);
}

Compilation message

joi2019_ho_t5.c: In function 'main':
joi2019_ho_t5.c:74:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |     scanf("%d%d",&n,&m);
      |     ^~~~~~~~~~~~~~~~~~~
joi2019_ho_t5.c:75:21: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |     for(i=1;i<n;++i)scanf("%d%d",&u,&v),link(u,v),link(v,u);
      |                     ^~~~~~~~~~~~~~~~~~~
joi2019_ho_t5.c:76:22: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |     for(i=1;i<=n;++i)scanf("%d",c+i);
      |                      ^~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4700 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 3 ms 4956 KB Output is correct
6 Correct 3 ms 4952 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 3 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 3 ms 4956 KB Output is correct
16 Correct 2 ms 4956 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 5052 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 2 ms 4956 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 4956 KB Output is correct
23 Correct 2 ms 4956 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 2 ms 4956 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 2 ms 4956 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct
29 Correct 2 ms 4956 KB Output is correct
30 Correct 2 ms 4976 KB Output is correct
31 Correct 3 ms 4956 KB Output is correct
32 Correct 2 ms 4868 KB Output is correct

Subtask #2
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 9552 KB Output is correct
2 Correct 74 ms 18772 KB Output is correct
3 Correct 15 ms 6748 KB Output is correct
4 Correct 107 ms 12892 KB Output is correct
5 Correct 152 ms 29392 KB Output is correct
6 Correct 139 ms 20996 KB Output is correct
7 Correct 102 ms 12952 KB Output is correct
8 Correct 116 ms 14564 KB Output is correct
9 Correct 106 ms 14160 KB Output is correct
10 Correct 109 ms 13912 KB Output is correct
11 Correct 77 ms 13064 KB Output is correct
12 Correct 136 ms 23056 KB Output is correct
13 Correct 117 ms 20816 KB Output is correct
14 Correct 116 ms 20308 KB Output is correct
15 Correct 65 ms 12848 KB Output is correct
16 Correct 121 ms 23892 KB Output is correct
17 Correct 111 ms 21076 KB Output is correct

Subtask #3
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 11888 KB Output is correct
2 Correct 135 ms 29944 KB Output is correct
3 Correct 17 ms 7272 KB Output is correct
4 Correct 107 ms 13772 KB Output is correct
5 Correct 144 ms 31292 KB Output is correct
6 Correct 130 ms 22104 KB Output is correct
7 Correct 101 ms 13908 KB Output is correct
8 Correct 114 ms 17492 KB Output is correct
9 Correct 111 ms 16204 KB Output is correct
10 Correct 140 ms 15184 KB Output is correct
11 Correct 90 ms 14028 KB Output is correct
12 Correct 139 ms 27732 KB Output is correct
13 Correct 148 ms 21124 KB Output is correct
14 Correct 121 ms 21052 KB Output is correct
15 Correct 74 ms 14000 KB Output is correct
16 Correct 138 ms 25524 KB Output is correct
17 Correct 118 ms 22080 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4700 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 3 ms 4956 KB Output is correct
6 Correct 3 ms 4952 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 3 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 3 ms 4956 KB Output is correct
16 Correct 2 ms 4956 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 5052 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 2 ms 4956 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 4956 KB Output is correct
23 Correct 2 ms 4956 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 2 ms 4956 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 2 ms 4956 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct
29 Correct 2 ms 4956 KB Output is correct
30 Correct 2 ms 4976 KB Output is correct
31 Correct 3 ms 4956 KB Output is correct
32 Correct 2 ms 4868 KB Output is correct
33 Correct 57 ms 9552 KB Output is correct
34 Correct 74 ms 18772 KB Output is correct
35 Correct 15 ms 6748 KB Output is correct
36 Correct 107 ms 12892 KB Output is correct
37 Correct 152 ms 29392 KB Output is correct
38 Correct 139 ms 20996 KB Output is correct
39 Correct 102 ms 12952 KB Output is correct
40 Correct 116 ms 14564 KB Output is correct
41 Correct 106 ms 14160 KB Output is correct
42 Correct 109 ms 13912 KB Output is correct
43 Correct 77 ms 13064 KB Output is correct
44 Correct 136 ms 23056 KB Output is correct
45 Correct 117 ms 20816 KB Output is correct
46 Correct 116 ms 20308 KB Output is correct
47 Correct 65 ms 12848 KB Output is correct
48 Correct 121 ms 23892 KB Output is correct
49 Correct 111 ms 21076 KB Output is correct
50 Correct 89 ms 11888 KB Output is correct
51 Correct 135 ms 29944 KB Output is correct
52 Correct 17 ms 7272 KB Output is correct
53 Correct 107 ms 13772 KB Output is correct
54 Correct 144 ms 31292 KB Output is correct
55 Correct 130 ms 22104 KB Output is correct
56 Correct 101 ms 13908 KB Output is correct
57 Correct 114 ms 17492 KB Output is correct
58 Correct 111 ms 16204 KB Output is correct
59 Correct 140 ms 15184 KB Output is correct
60 Correct 90 ms 14028 KB Output is correct
61 Correct 139 ms 27732 KB Output is correct
62 Correct 148 ms 21124 KB Output is correct
63 Correct 121 ms 21052 KB Output is correct
64 Correct 74 ms 14000 KB Output is correct
65 Correct 138 ms 25524 KB Output is correct
66 Correct 118 ms 22080 KB Output is correct
67 Correct 13 ms 5720 KB Output is correct
68 Correct 54 ms 15956 KB Output is correct
69 Correct 72 ms 15588 KB Output is correct
70 Correct 103 ms 13088 KB Output is correct
71 Correct 143 ms 29540 KB Output is correct
72 Correct 140 ms 20956 KB Output is correct
73 Correct 105 ms 12880 KB Output is correct
74 Correct 141 ms 16120 KB Output is correct
75 Correct 129 ms 14420 KB Output is correct
76 Correct 125 ms 14308 KB Output is correct
77 Correct 88 ms 12916 KB Output is correct
78 Correct 138 ms 24920 KB Output is correct
79 Correct 112 ms 22864 KB Output is correct
80 Correct 123 ms 19280 KB Output is correct
81 Correct 66 ms 12624 KB Output is correct
82 Correct 120 ms 23892 KB Output is correct
83 Correct 141 ms 20928 KB Output is correct
84 Correct 106 ms 13404 KB Output is correct
85 Correct 139 ms 30036 KB Output is correct
86 Correct 142 ms 21536 KB Output is correct
87 Correct 111 ms 13136 KB Output is correct
88 Correct 112 ms 16720 KB Output is correct
89 Correct 110 ms 15188 KB Output is correct
90 Correct 123 ms 15136 KB Output is correct
91 Correct 85 ms 13332 KB Output is correct
92 Correct 147 ms 29524 KB Output is correct
93 Correct 130 ms 18856 KB Output is correct
94 Correct 112 ms 17528 KB Output is correct
95 Correct 68 ms 13140 KB Output is correct
96 Correct 153 ms 24612 KB Output is correct
97 Correct 122 ms 21820 KB Output is correct
98 Correct 109 ms 13992 KB Output is correct
99 Correct 162 ms 30588 KB Output is correct
100 Correct 141 ms 22236 KB Output is correct
101 Correct 102 ms 13648 KB Output is correct
102 Correct 113 ms 16500 KB Output is correct
103 Correct 109 ms 15440 KB Output is correct
104 Correct 110 ms 15132 KB Output is correct
105 Correct 83 ms 13676 KB Output is correct
106 Correct 130 ms 23264 KB Output is correct
107 Correct 117 ms 23636 KB Output is correct
108 Correct 116 ms 18796 KB Output is correct
109 Correct 66 ms 13904 KB Output is correct
110 Correct 126 ms 25172 KB Output is correct
111 Correct 116 ms 22100 KB Output is correct