oj.uz

Submission #130524

# Submission time Handle Problem Language Result Execution time Memory
130524 2019-07-15T13:08:37 Z Bodo171 Mergers (JOI19_mergers) C++14
100 / 100
 2195 ms 190164 KB 
#include <iostream>
#include <fstream>
#include <map>
#include <vector>
using namespace std;
const int nmax=500005;
map<int,int> ap[nmax];
vector<int> v[nmax];
int l[nmax],r[nmax],p[nmax],closed[nmax],w[nmax],sons[nmax],rele[nmax],tot[nmax],col[nmax],c[nmax],tt[nmax];
int nr,n,i,paths,k,x,y,frz;
void baga(int path,int cc)
{
    ap[path][cc]++;
    if(ap[path][cc]==1) rele[path]++;
    if(ap[path][cc]==tot[cc]) rele[path]--;
}
void dfs(int x)
{
    int big=0;
    w[x]=1;
    ++nr;l[x]=nr;col[nr]=c[x];
    for(int i=0;i<v[x].size();i++)
        if(!w[v[x][i]])
    {
        tt[v[x][i]]=x;
        dfs(v[x][i]);
        if(w[v[x][i]]>w[big])
            big=v[x][i];
        w[x]+=w[v[x][i]];
    }
    if(big&&(!closed[big])) p[x]=p[big];
    else
    {
        p[x]=++paths;
        if(big) sons[paths]++;
    }
    baga(p[x],c[x]);
    for(int i=0;i<v[x].size();i++)
        if(v[x][i]!=big&&v[x][i]!=tt[x])
    {
        if(closed[v[x][i]]) sons[p[x]]++;
        else
        {
            sons[p[x]]+=sons[p[v[x][i]]];
            for(int j=l[v[x][i]];j<=r[v[x][i]];j++)
                baga(p[x],col[j]);
        }
    }
    if(rele[p[x]]==0)
    {
        closed[x]=1;
        if(sons[p[x]]==0) frz++;
    }
    r[x]=nr;
}
int main()
{
    //freopen("data.in","r",stdin);
    ios_base::sync_with_stdio(false);
    cin>>n>>k;
    for(i=1;i<=n-1;i++)
    {
        cin>>x>>y;
        v[x].push_back(y);
        v[y].push_back(x);
    }
    for(i=1;i<=n;i++)
    {
        cin>>c[i];
        tot[c[i]]++;
    }
    dfs(1);
    if(sons[p[1]]==1) frz++;
    if(frz==1) frz=0;
    cout<<(frz+1)/2;
    return 0;
}

Compilation message

mergers.cpp: In function 'void dfs(int)':
mergers.cpp:22:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[x].size();i++)
                 ~^~~~~~~~~~~~
mergers.cpp:38:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[x].size();i++)
                 ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 35704 KB Output is correct
2 Correct 35 ms 35576 KB Output is correct
3 Correct 35 ms 35576 KB Output is correct
4 Correct 35 ms 35576 KB Output is correct
5 Correct 35 ms 35704 KB Output is correct
6 Correct 34 ms 35704 KB Output is correct
7 Correct 34 ms 35676 KB Output is correct
8 Correct 34 ms 35704 KB Output is correct
9 Correct 34 ms 35704 KB Output is correct
10 Correct 34 ms 35704 KB Output is correct
11 Correct 34 ms 35704 KB Output is correct
12 Correct 35 ms 35688 KB Output is correct
13 Correct 35 ms 35704 KB Output is correct
14 Correct 35 ms 35704 KB Output is correct
15 Correct 36 ms 35704 KB Output is correct
16 Correct 41 ms 35576 KB Output is correct
17 Correct 35 ms 35576 KB Output is correct
18 Correct 36 ms 35576 KB Output is correct
19 Correct 35 ms 35680 KB Output is correct
20 Correct 35 ms 35584 KB Output is correct
21 Correct 35 ms 35704 KB Output is correct
22 Correct 35 ms 35580 KB Output is correct
23 Correct 35 ms 35676 KB Output is correct
24 Correct 34 ms 35576 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 35704 KB Output is correct
2 Correct 35 ms 35576 KB Output is correct
3 Correct 35 ms 35576 KB Output is correct
4 Correct 35 ms 35576 KB Output is correct
5 Correct 35 ms 35704 KB Output is correct
6 Correct 34 ms 35704 KB Output is correct
7 Correct 34 ms 35676 KB Output is correct
8 Correct 34 ms 35704 KB Output is correct
9 Correct 34 ms 35704 KB Output is correct
10 Correct 34 ms 35704 KB Output is correct
11 Correct 34 ms 35704 KB Output is correct
12 Correct 35 ms 35688 KB Output is correct
13 Correct 35 ms 35704 KB Output is correct
14 Correct 35 ms 35704 KB Output is correct
15 Correct 36 ms 35704 KB Output is correct
16 Correct 41 ms 35576 KB Output is correct
17 Correct 35 ms 35576 KB Output is correct
18 Correct 36 ms 35576 KB Output is correct
19 Correct 35 ms 35680 KB Output is correct
20 Correct 35 ms 35584 KB Output is correct
21 Correct 35 ms 35704 KB Output is correct
22 Correct 35 ms 35580 KB Output is correct
23 Correct 35 ms 35676 KB Output is correct
24 Correct 34 ms 35576 KB Output is correct
25 Correct 35 ms 35576 KB Output is correct
26 Correct 38 ms 36012 KB Output is correct
27 Correct 38 ms 35872 KB Output is correct
28 Correct 38 ms 36088 KB Output is correct
29 Correct 38 ms 36060 KB Output is correct
30 Correct 39 ms 36088 KB Output is correct
31 Correct 35 ms 35704 KB Output is correct
32 Correct 39 ms 36240 KB Output is correct
33 Correct 36 ms 35704 KB Output is correct
34 Correct 38 ms 36088 KB Output is correct
35 Correct 40 ms 36088 KB Output is correct
36 Correct 36 ms 35960 KB Output is correct
37 Correct 40 ms 36216 KB Output is correct
38 Correct 35 ms 35704 KB Output is correct
39 Correct 41 ms 36344 KB Output is correct
40 Correct 37 ms 35956 KB Output is correct
41 Correct 37 ms 35960 KB Output is correct
42 Correct 37 ms 36088 KB Output is correct
43 Correct 37 ms 36088 KB Output is correct
44 Correct 35 ms 35576 KB Output is correct
45 Correct 40 ms 36216 KB Output is correct
46 Correct 39 ms 36192 KB Output is correct
47 Correct 35 ms 35704 KB Output is correct
48 Correct 37 ms 36088 KB Output is correct
49 Correct 37 ms 36088 KB Output is correct
50 Correct 37 ms 36060 KB Output is correct
51 Correct 37 ms 35960 KB Output is correct
52 Correct 37 ms 36088 KB Output is correct
53 Correct 38 ms 36088 KB Output is correct
54 Correct 38 ms 36088 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 35704 KB Output is correct
2 Correct 35 ms 35576 KB Output is correct
3 Correct 35 ms 35576 KB Output is correct
4 Correct 35 ms 35576 KB Output is correct
5 Correct 35 ms 35704 KB Output is correct
6 Correct 34 ms 35704 KB Output is correct
7 Correct 34 ms 35676 KB Output is correct
8 Correct 34 ms 35704 KB Output is correct
9 Correct 34 ms 35704 KB Output is correct
10 Correct 34 ms 35704 KB Output is correct
11 Correct 34 ms 35704 KB Output is correct
12 Correct 35 ms 35688 KB Output is correct
13 Correct 35 ms 35704 KB Output is correct
14 Correct 35 ms 35704 KB Output is correct
15 Correct 36 ms 35704 KB Output is correct
16 Correct 41 ms 35576 KB Output is correct
17 Correct 35 ms 35576 KB Output is correct
18 Correct 36 ms 35576 KB Output is correct
19 Correct 35 ms 35680 KB Output is correct
20 Correct 35 ms 35584 KB Output is correct
21 Correct 35 ms 35704 KB Output is correct
22 Correct 35 ms 35580 KB Output is correct
23 Correct 35 ms 35676 KB Output is correct
24 Correct 34 ms 35576 KB Output is correct
25 Correct 36 ms 35620 KB Output is correct
26 Correct 124 ms 48368 KB Output is correct
27 Correct 199 ms 51460 KB Output is correct
28 Correct 37 ms 35960 KB Output is correct
29 Correct 35 ms 35704 KB Output is correct
30 Correct 34 ms 35704 KB Output is correct
31 Correct 134 ms 45944 KB Output is correct
32 Correct 37 ms 36088 KB Output is correct
33 Correct 164 ms 48860 KB Output is correct
34 Correct 177 ms 50296 KB Output is correct
35 Correct 38 ms 35960 KB Output is correct
36 Correct 130 ms 43768 KB Output is correct
37 Correct 37 ms 35932 KB Output is correct
38 Correct 37 ms 35960 KB Output is correct
39 Correct 128 ms 48368 KB Output is correct
40 Correct 38 ms 36088 KB Output is correct
41 Correct 130 ms 45816 KB Output is correct
42 Correct 137 ms 44908 KB Output is correct
43 Correct 34 ms 35736 KB Output is correct
44 Correct 135 ms 48888 KB Output is correct
45 Correct 151 ms 48604 KB Output is correct
46 Correct 38 ms 36088 KB Output is correct
47 Correct 38 ms 36088 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 46952 KB Output is correct
2 Correct 125 ms 47840 KB Output is correct
3 Correct 37 ms 36088 KB Output is correct
4 Correct 37 ms 35832 KB Output is correct
5 Correct 35 ms 35704 KB Output is correct
6 Correct 34 ms 35576 KB Output is correct
7 Correct 36 ms 35960 KB Output is correct
8 Correct 257 ms 55896 KB Output is correct
9 Correct 37 ms 35960 KB Output is correct
10 Correct 146 ms 46428 KB Output is correct
11 Correct 35 ms 35576 KB Output is correct
12 Correct 134 ms 43672 KB Output is correct
13 Correct 216 ms 53628 KB Output is correct
14 Correct 153 ms 49732 KB Output is correct
15 Correct 130 ms 48372 KB Output is correct
16 Correct 38 ms 36088 KB Output is correct
17 Correct 34 ms 35704 KB Output is correct
18 Correct 138 ms 49904 KB Output is correct
19 Correct 162 ms 52648 KB Output is correct
20 Correct 39 ms 36216 KB Output is correct
21 Correct 35 ms 35576 KB Output is correct
22 Correct 172 ms 50928 KB Output is correct
23 Correct 38 ms 35960 KB Output is correct
24 Correct 154 ms 45720 KB Output is correct
25 Correct 156 ms 51496 KB Output is correct
26 Correct 38 ms 36060 KB Output is correct
27 Correct 37 ms 36060 KB Output is correct
28 Correct 38 ms 35960 KB Output is correct
29 Correct 37 ms 36088 KB Output is correct
30 Correct 38 ms 36088 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 35704 KB Output is correct
2 Correct 35 ms 35576 KB Output is correct
3 Correct 35 ms 35576 KB Output is correct
4 Correct 35 ms 35576 KB Output is correct
5 Correct 35 ms 35704 KB Output is correct
6 Correct 34 ms 35704 KB Output is correct
7 Correct 34 ms 35676 KB Output is correct
8 Correct 34 ms 35704 KB Output is correct
9 Correct 34 ms 35704 KB Output is correct
10 Correct 34 ms 35704 KB Output is correct
11 Correct 34 ms 35704 KB Output is correct
12 Correct 35 ms 35688 KB Output is correct
13 Correct 35 ms 35704 KB Output is correct
14 Correct 35 ms 35704 KB Output is correct
15 Correct 36 ms 35704 KB Output is correct
16 Correct 41 ms 35576 KB Output is correct
17 Correct 35 ms 35576 KB Output is correct
18 Correct 36 ms 35576 KB Output is correct
19 Correct 35 ms 35680 KB Output is correct
20 Correct 35 ms 35584 KB Output is correct
21 Correct 35 ms 35704 KB Output is correct
22 Correct 35 ms 35580 KB Output is correct
23 Correct 35 ms 35676 KB Output is correct
24 Correct 34 ms 35576 KB Output is correct
25 Correct 35 ms 35576 KB Output is correct
26 Correct 38 ms 36012 KB Output is correct
27 Correct 38 ms 35872 KB Output is correct
28 Correct 38 ms 36088 KB Output is correct
29 Correct 38 ms 36060 KB Output is correct
30 Correct 39 ms 36088 KB Output is correct
31 Correct 35 ms 35704 KB Output is correct
32 Correct 39 ms 36240 KB Output is correct
33 Correct 36 ms 35704 KB Output is correct
34 Correct 38 ms 36088 KB Output is correct
35 Correct 40 ms 36088 KB Output is correct
36 Correct 36 ms 35960 KB Output is correct
37 Correct 40 ms 36216 KB Output is correct
38 Correct 35 ms 35704 KB Output is correct
39 Correct 41 ms 36344 KB Output is correct
40 Correct 37 ms 35956 KB Output is correct
41 Correct 37 ms 35960 KB Output is correct
42 Correct 37 ms 36088 KB Output is correct
43 Correct 37 ms 36088 KB Output is correct
44 Correct 35 ms 35576 KB Output is correct
45 Correct 40 ms 36216 KB Output is correct
46 Correct 39 ms 36192 KB Output is correct
47 Correct 35 ms 35704 KB Output is correct
48 Correct 37 ms 36088 KB Output is correct
49 Correct 37 ms 36088 KB Output is correct
50 Correct 37 ms 36060 KB Output is correct
51 Correct 37 ms 35960 KB Output is correct
52 Correct 37 ms 36088 KB Output is correct
53 Correct 38 ms 36088 KB Output is correct
54 Correct 38 ms 36088 KB Output is correct
55 Correct 36 ms 35620 KB Output is correct
56 Correct 124 ms 48368 KB Output is correct
57 Correct 199 ms 51460 KB Output is correct
58 Correct 37 ms 35960 KB Output is correct
59 Correct 35 ms 35704 KB Output is correct
60 Correct 34 ms 35704 KB Output is correct
61 Correct 134 ms 45944 KB Output is correct
62 Correct 37 ms 36088 KB Output is correct
63 Correct 164 ms 48860 KB Output is correct
64 Correct 177 ms 50296 KB Output is correct
65 Correct 38 ms 35960 KB Output is correct
66 Correct 130 ms 43768 KB Output is correct
67 Correct 37 ms 35932 KB Output is correct
68 Correct 37 ms 35960 KB Output is correct
69 Correct 128 ms 48368 KB Output is correct
70 Correct 38 ms 36088 KB Output is correct
71 Correct 130 ms 45816 KB Output is correct
72 Correct 137 ms 44908 KB Output is correct
73 Correct 34 ms 35736 KB Output is correct
74 Correct 135 ms 48888 KB Output is correct
75 Correct 151 ms 48604 KB Output is correct
76 Correct 38 ms 36088 KB Output is correct
77 Correct 38 ms 36088 KB Output is correct
78 Correct 125 ms 46952 KB Output is correct
79 Correct 125 ms 47840 KB Output is correct
80 Correct 37 ms 36088 KB Output is correct
81 Correct 37 ms 35832 KB Output is correct
82 Correct 35 ms 35704 KB Output is correct
83 Correct 34 ms 35576 KB Output is correct
84 Correct 36 ms 35960 KB Output is correct
85 Correct 257 ms 55896 KB Output is correct
86 Correct 37 ms 35960 KB Output is correct
87 Correct 146 ms 46428 KB Output is correct
88 Correct 35 ms 35576 KB Output is correct
89 Correct 134 ms 43672 KB Output is correct
90 Correct 216 ms 53628 KB Output is correct
91 Correct 153 ms 49732 KB Output is correct
92 Correct 130 ms 48372 KB Output is correct
93 Correct 38 ms 36088 KB Output is correct
94 Correct 34 ms 35704 KB Output is correct
95 Correct 138 ms 49904 KB Output is correct
96 Correct 162 ms 52648 KB Output is correct
97 Correct 39 ms 36216 KB Output is correct
98 Correct 35 ms 35576 KB Output is correct
99 Correct 172 ms 50928 KB Output is correct
100 Correct 38 ms 35960 KB Output is correct
101 Correct 154 ms 45720 KB Output is correct
102 Correct 156 ms 51496 KB Output is correct
103 Correct 38 ms 36060 KB Output is correct
104 Correct 37 ms 36060 KB Output is correct
105 Correct 38 ms 35960 KB Output is correct
106 Correct 37 ms 36088 KB Output is correct
107 Correct 38 ms 36088 KB Output is correct
108 Correct 1135 ms 106836 KB Output is correct
109 Correct 779 ms 84092 KB Output is correct
110 Correct 801 ms 93220 KB Output is correct
111 Correct 1241 ms 128660 KB Output is correct
112 Correct 1328 ms 115952 KB Output is correct
113 Correct 865 ms 102824 KB Output is correct
114 Correct 772 ms 83784 KB Output is correct
115 Correct 782 ms 83960 KB Output is correct
116 Correct 1605 ms 147320 KB Output is correct
117 Correct 952 ms 101608 KB Output is correct
118 Correct 861 ms 84528 KB Output is correct
119 Correct 937 ms 104784 KB Output is correct
120 Correct 947 ms 111876 KB Output is correct
121 Correct 1678 ms 140964 KB Output is correct
122 Correct 2195 ms 190164 KB Output is correct
123 Correct 756 ms 100872 KB Output is correct
124 Correct 1145 ms 117856 KB Output is correct