oj.uz

Submission #376776

# Submission time Handle Problem Language Result Execution time Memory
376776 2021-03-12T03:41:33 Z daniel920712 Mergers (JOI19_mergers) C++14
48 / 100
 447 ms 262148 KB 
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <set>
#include <vector>

using namespace std;
set < int > a,b;
set < pair < int , int > > road;
int now=0;
vector < int > Next[500005];
int color[500005];
int deg[500005]={0};
vector < int > con[500005];
int sum[500005]={0};
int M;
void F(int here,int fa,int x)
{
    int i,j;
    con[here][color[here]]++;
    sum[color[here]]++;
    for(auto i:Next[here])
    {
        if(i==fa) continue;
        F(i,here,x);
        for(j=1;j<=M;j++) con[here][j]+=con[i][j];
    }
}
void F3(int here,int fa,int x)
{
    int ok=1,i,j;
    for(auto i:Next[here])
    {
        ok=1;
        if(i==fa) continue;
        F3(i,here,x);
        for(j=1;j<=M;j++)
        {
            if(con[i][j]>0&&con[i][j]<sum[j])
            {
                //printf("%d %d %d %d %d\n",here,i,j,con[i][j],sum[j]);
                ok=0;
            }
        }
        if(ok)
        {
            //printf("%d %d\n",here,i);
            road.insert(make_pair(here,i));
            road.insert(make_pair(i,here));
        }
    }
}
void F2(int here,int fa,int xx)
{
    for(auto i:Next[here])
    {
        if(i==fa) continue;
        if(road.find(make_pair(here,i))!=road.end())
        {
            now++;
            deg[xx]++;
            deg[now]++;
            F2(i,here,now);
        }
        else F2(i,here,xx);
    }
}
int main()
{
    int N,i,j,x,y,xx=0,ok=1;
    scanf("%d %d",&N,&M);
    for(i=1;i<N;i++)
    {
        scanf("%d %d",&x,&y);
        Next[x].push_back(y);
        Next[y].push_back(x);

    }
    for(i=1;i<=N;i++)
    {
        scanf("%d",&color[i]);
        for(j=0;j<=M;j++) con[i].push_back(0);
    }
    F(1,-1,0);
    F3(1,-1,0);
    now=0;
    F2(1,-1,0);
    for(i=0;i<=now;i++) if(deg[i]==1) xx++;

    if(xx==1) printf("0\n");
    else printf("%d\n",(xx+1)/2);
    return 0;
}

Compilation message

mergers.cpp: In function 'void F(int, int, int)':
mergers.cpp:19:9: warning: unused variable 'i' [-Wunused-variable]
   19 |     int i,j;
      |         ^
mergers.cpp: In function 'void F3(int, int, int)':
mergers.cpp:31:14: warning: unused variable 'i' [-Wunused-variable]
   31 |     int ok=1,i,j;
      |              ^
mergers.cpp: In function 'int main()':
mergers.cpp:70:24: warning: unused variable 'ok' [-Wunused-variable]
   70 |     int N,i,j,x,y,xx=0,ok=1;
      |                        ^~
mergers.cpp:71:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   71 |     scanf("%d %d",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~
mergers.cpp:74:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   74 |         scanf("%d %d",&x,&y);
      |         ~~~~~^~~~~~~~~~~~~~~
mergers.cpp:81:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   81 |         scanf("%d",&color[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23884 KB Output is correct
2 Correct 17 ms 23840 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 18 ms 23788 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 23 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 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 16 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 16 ms 23788 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 17 ms 23788 KB Output is correct
19 Correct 17 ms 23788 KB Output is correct
20 Correct 17 ms 23916 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 19 ms 23788 KB Output is correct
23 Correct 17 ms 23916 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23884 KB Output is correct
2 Correct 17 ms 23840 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 18 ms 23788 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 23 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 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 16 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 16 ms 23788 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 17 ms 23788 KB Output is correct
19 Correct 17 ms 23788 KB Output is correct
20 Correct 17 ms 23916 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 19 ms 23788 KB Output is correct
23 Correct 17 ms 23916 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 77 ms 48288 KB Output is correct
27 Correct 21 ms 24812 KB Output is correct
28 Correct 107 ms 71532 KB Output is correct
29 Correct 97 ms 71464 KB Output is correct
30 Correct 25 ms 26988 KB Output is correct
31 Correct 17 ms 23788 KB Output is correct
32 Correct 106 ms 71404 KB Output is correct
33 Correct 17 ms 23788 KB Output is correct
34 Correct 21 ms 24812 KB Output is correct
35 Correct 106 ms 71576 KB Output is correct
36 Correct 21 ms 24812 KB Output is correct
37 Correct 61 ms 48108 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 59 ms 48108 KB Output is correct
40 Correct 19 ms 24044 KB Output is correct
41 Correct 20 ms 24172 KB Output is correct
42 Correct 59 ms 48108 KB Output is correct
43 Correct 19 ms 24300 KB Output is correct
44 Correct 17 ms 23916 KB Output is correct
45 Correct 99 ms 70124 KB Output is correct
46 Correct 59 ms 47852 KB Output is correct
47 Correct 17 ms 23916 KB Output is correct
48 Correct 38 ms 36076 KB Output is correct
49 Correct 108 ms 71532 KB Output is correct
50 Correct 106 ms 71656 KB Output is correct
51 Correct 38 ms 36076 KB Output is correct
52 Correct 22 ms 24812 KB Output is correct
53 Correct 58 ms 48108 KB Output is correct
54 Correct 21 ms 24812 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23884 KB Output is correct
2 Correct 17 ms 23840 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 18 ms 23788 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 23 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 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 16 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 16 ms 23788 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 17 ms 23788 KB Output is correct
19 Correct 17 ms 23788 KB Output is correct
20 Correct 17 ms 23916 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 19 ms 23788 KB Output is correct
23 Correct 17 ms 23916 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct
25 Correct 19 ms 23788 KB Output is correct
26 Correct 208 ms 54800 KB Output is correct
27 Correct 229 ms 54892 KB Output is correct
28 Correct 23 ms 24812 KB Output is correct
29 Correct 15 ms 23788 KB Output is correct
30 Correct 21 ms 23788 KB Output is correct
31 Correct 235 ms 54892 KB Output is correct
32 Correct 18 ms 24960 KB Output is correct
33 Correct 311 ms 63596 KB Output is correct
34 Correct 244 ms 54880 KB Output is correct
35 Correct 23 ms 24784 KB Output is correct
36 Correct 267 ms 55788 KB Output is correct
37 Correct 22 ms 24044 KB Output is correct
38 Correct 31 ms 24172 KB Output is correct
39 Correct 217 ms 55140 KB Output is correct
40 Correct 18 ms 24300 KB Output is correct
41 Correct 152 ms 31340 KB Output is correct
42 Correct 265 ms 57708 KB Output is correct
43 Correct 18 ms 23916 KB Output is correct
44 Correct 171 ms 40428 KB Output is correct
45 Correct 247 ms 59500 KB Output is correct
46 Correct 21 ms 24812 KB Output is correct
47 Correct 24 ms 24812 KB Output is correct

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 205 ms 54376 KB Output is correct
2 Runtime error 447 ms 262148 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23884 KB Output is correct
2 Correct 17 ms 23840 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 18 ms 23788 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 23 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 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 16 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 16 ms 23788 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 17 ms 23788 KB Output is correct
19 Correct 17 ms 23788 KB Output is correct
20 Correct 17 ms 23916 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 19 ms 23788 KB Output is correct
23 Correct 17 ms 23916 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 77 ms 48288 KB Output is correct
27 Correct 21 ms 24812 KB Output is correct
28 Correct 107 ms 71532 KB Output is correct
29 Correct 97 ms 71464 KB Output is correct
30 Correct 25 ms 26988 KB Output is correct
31 Correct 17 ms 23788 KB Output is correct
32 Correct 106 ms 71404 KB Output is correct
33 Correct 17 ms 23788 KB Output is correct
34 Correct 21 ms 24812 KB Output is correct
35 Correct 106 ms 71576 KB Output is correct
36 Correct 21 ms 24812 KB Output is correct
37 Correct 61 ms 48108 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 59 ms 48108 KB Output is correct
40 Correct 19 ms 24044 KB Output is correct
41 Correct 20 ms 24172 KB Output is correct
42 Correct 59 ms 48108 KB Output is correct
43 Correct 19 ms 24300 KB Output is correct
44 Correct 17 ms 23916 KB Output is correct
45 Correct 99 ms 70124 KB Output is correct
46 Correct 59 ms 47852 KB Output is correct
47 Correct 17 ms 23916 KB Output is correct
48 Correct 38 ms 36076 KB Output is correct
49 Correct 108 ms 71532 KB Output is correct
50 Correct 106 ms 71656 KB Output is correct
51 Correct 38 ms 36076 KB Output is correct
52 Correct 22 ms 24812 KB Output is correct
53 Correct 58 ms 48108 KB Output is correct
54 Correct 21 ms 24812 KB Output is correct
55 Correct 19 ms 23788 KB Output is correct
56 Correct 208 ms 54800 KB Output is correct
57 Correct 229 ms 54892 KB Output is correct
58 Correct 23 ms 24812 KB Output is correct
59 Correct 15 ms 23788 KB Output is correct
60 Correct 21 ms 23788 KB Output is correct
61 Correct 235 ms 54892 KB Output is correct
62 Correct 18 ms 24960 KB Output is correct
63 Correct 311 ms 63596 KB Output is correct
64 Correct 244 ms 54880 KB Output is correct
65 Correct 23 ms 24784 KB Output is correct
66 Correct 267 ms 55788 KB Output is correct
67 Correct 22 ms 24044 KB Output is correct
68 Correct 31 ms 24172 KB Output is correct
69 Correct 217 ms 55140 KB Output is correct
70 Correct 18 ms 24300 KB Output is correct
71 Correct 152 ms 31340 KB Output is correct
72 Correct 265 ms 57708 KB Output is correct
73 Correct 18 ms 23916 KB Output is correct
74 Correct 171 ms 40428 KB Output is correct
75 Correct 247 ms 59500 KB Output is correct
76 Correct 21 ms 24812 KB Output is correct
77 Correct 24 ms 24812 KB Output is correct
78 Correct 205 ms 54376 KB Output is correct
79 Runtime error 447 ms 262148 KB Execution killed with signal 9
80 Halted 0 ms 0 KB -