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Submission #543931

# Submission time Handle Problem Language Result Execution time Memory
543931 2022-03-31T15:53:40 Z Kripton Split the Attractions (IOI19_split) C++14
100 / 100
 173 ms 27832 KB 
#include <bits/stdc++.h>
#include "split.h"
using namespace std;
vector <int> v[100000],arb[100000];
vector <pair<int,int>> much[100000];
pair <int,int> vec[3];
pair <int,int> vlu[100001];
int rez[100000],mar[100000],tata[100000],marc2[100000],where[100000],cnt,cat,cnt2,centr;
int coada[100000];
bool marc[100000];
void dfscolor(int nod,int papa,int ind)
{
    if(vec[ind].first==0)
        return;
    rez[nod]=vec[ind].second;
    vec[ind].first--;
    for(auto it:arb[nod])
        if(it!=papa&&it!=centr&&!rez[it])
            dfscolor(it,nod,ind);
}
void dfs(int nod,int papa)
{
    mar[nod]=1;
    tata[nod]=papa;
    for(auto it:v[nod])
        if(it!=papa&&!mar[it])
        {
            arb[nod].push_back(it);
            arb[it].push_back(nod);
            dfs(it,nod);
            mar[nod]+=mar[it];
        }
}
void dfsnew(int nod,int papa)
{
    mar[nod]=1;
    for(auto it:arb[nod])
        if(it!=papa)
        {
            dfsnew(it,nod);
            mar[nod]+=mar[it];
        }
}
int dfscrip(int nod,int papa)
{
    int cnt1=1;
    where[nod]=cnt;
    for(auto it:arb[nod])
        if(it!=papa)
            cnt1+=dfscrip(it,nod);
    return cnt1;
}
void dfsnushce(int nod,int val)
{
    if(cat>=vec[0].first)
        return;
    cat+=vlu[nod].second;
    marc2[nod]=val;
    if(cat>=vec[0].first)
        return;
    for(auto it:much[nod])
        if(cat<vec[0].first&&!marc2[it.first])
        {
            coada[++cnt2]=it.second;
            dfsnushce(it.first,val);
        }
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q)
{
    vec[0]= {a,1};
    vec[1]= {b,2};
    vec[2]= {c,3};
    sort(vec,vec+3);
    int i;
    for(i=0; i<p.size(); i++)
    {
        v[p[i]].push_back(q[i]);
        v[q[i]].push_back(p[i]);
    }
    dfs(0,-1);
    for(i=0; i<n; i++)
    {
        int max1=0,s=1;
        for(auto it:arb[i])
            if(it!=tata[i])
            {
                max1=max(max1,mar[it]);
                s+=mar[it];
            }
        if(max(max1,n-s)<=n/2)
            centr=i;
    }
    dfsnew(centr,-1);
    for(auto it:arb[centr]){
        cnt++;
        vlu[cnt]= {it,dfscrip(it,centr)};
    }
    for(i=0; i<n; i++)
        if(i!=centr)
            for(auto it:v[i])
                if(where[it]&&where[i]!=where[it])
                    much[where[i]].push_back({where[it],it});
    /*for(i=1;i<=cnt;i++){
        cout<<i<<" ";
        for(auto it:much[i])
            cout<<it.first<<" ";
        cout<<'\n';
    }*/
    int cnt1=0,ok=0,j;
    for(i=1; i<=cnt; i++)
        if(!marc2[i])
        {
            cat=0;
            dfsnushce(i,++cnt1);
            if(cat>=vec[0].first)
            {
                //cout<<i<<" "<<cat<<'\n';
                dfscolor(vlu[i].first,centr,0);
                for(j=1; j<=cnt2; j++)
                    dfscolor(coada[j],-1,0);
                ok=1;
                break;
            }
        }
    vector <int> ans;
    ans.clear();
    if(ok==0)
    {
        for(i=0; i<n; i++)
            ans.push_back(0);
        return ans;
    }
    else
    {
        dfscolor(centr,-1,1);
        for(i=0; i<n; i++)
            if(rez[i]==0)
                rez[i]=vec[2].second;
        for(i=0; i<n; i++)
            ans.push_back(rez[i]);
        return ans;
    }
}

Compilation message

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:75:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |     for(i=0; i<p.size(); i++)
      |              ~^~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7252 KB ok, correct split
2 Correct 4 ms 7380 KB ok, correct split
3 Correct 4 ms 7340 KB ok, correct split
4 Correct 4 ms 7380 KB ok, correct split
5 Correct 4 ms 7380 KB ok, correct split
6 Correct 4 ms 7380 KB ok, correct split
7 Correct 99 ms 24788 KB ok, correct split
8 Correct 105 ms 22472 KB ok, correct split
9 Correct 105 ms 21868 KB ok, correct split
10 Correct 104 ms 25184 KB ok, correct split
11 Correct 98 ms 25148 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7252 KB ok, correct split
2 Correct 4 ms 7380 KB ok, correct split
3 Correct 4 ms 7312 KB ok, correct split
4 Correct 114 ms 22432 KB ok, correct split
5 Correct 100 ms 17660 KB ok, correct split
6 Correct 96 ms 25200 KB ok, correct split
7 Correct 94 ms 22340 KB ok, correct split
8 Correct 134 ms 19392 KB ok, correct split
9 Correct 90 ms 17380 KB ok, correct split
10 Correct 70 ms 19060 KB ok, correct split
11 Correct 69 ms 19020 KB ok, correct split
12 Correct 76 ms 18996 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB ok, correct split
2 Correct 100 ms 17556 KB ok, correct split
3 Correct 32 ms 11600 KB ok, correct split
4 Correct 4 ms 7380 KB ok, correct split
5 Correct 95 ms 19892 KB ok, correct split
6 Correct 124 ms 19640 KB ok, correct split
7 Correct 112 ms 19628 KB ok, correct split
8 Correct 106 ms 20896 KB ok, correct split
9 Correct 90 ms 19648 KB ok, correct split
10 Correct 26 ms 10828 KB ok, no valid answer
11 Correct 38 ms 12364 KB ok, no valid answer
12 Correct 83 ms 18144 KB ok, no valid answer
13 Correct 112 ms 17412 KB ok, no valid answer
14 Correct 65 ms 19048 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB ok, correct split
2 Correct 4 ms 7252 KB ok, no valid answer
3 Correct 4 ms 7380 KB ok, correct split
4 Correct 4 ms 7380 KB ok, correct split
5 Correct 4 ms 7380 KB ok, correct split
6 Correct 4 ms 7252 KB ok, correct split
7 Correct 4 ms 7380 KB ok, correct split
8 Correct 4 ms 7380 KB ok, correct split
9 Correct 6 ms 7636 KB ok, correct split
10 Correct 6 ms 7636 KB ok, correct split
11 Correct 4 ms 7380 KB ok, correct split
12 Correct 9 ms 7764 KB ok, correct split
13 Correct 4 ms 7380 KB ok, correct split
14 Correct 4 ms 7380 KB ok, correct split
15 Correct 4 ms 7380 KB ok, correct split
16 Correct 4 ms 7380 KB ok, correct split
17 Correct 4 ms 7380 KB ok, correct split
18 Correct 4 ms 7380 KB ok, correct split
19 Correct 4 ms 7380 KB ok, correct split
20 Correct 7 ms 7440 KB ok, correct split
21 Correct 8 ms 7636 KB ok, correct split
22 Correct 5 ms 7636 KB ok, correct split
23 Correct 6 ms 7636 KB ok, correct split
24 Correct 5 ms 7636 KB ok, correct split
25 Correct 5 ms 7636 KB ok, correct split
26 Correct 6 ms 7764 KB ok, correct split
27 Correct 6 ms 7876 KB ok, correct split
28 Correct 6 ms 7812 KB ok, correct split
29 Correct 5 ms 7380 KB ok, correct split
30 Correct 6 ms 7764 KB ok, correct split
31 Correct 4 ms 7360 KB ok, correct split
32 Correct 5 ms 7380 KB ok, correct split
33 Correct 4 ms 7380 KB ok, correct split
34 Correct 6 ms 7620 KB ok, correct split
35 Correct 6 ms 7616 KB ok, correct split
36 Correct 7 ms 7636 KB ok, correct split
37 Correct 7 ms 7744 KB ok, correct split
38 Correct 8 ms 7824 KB ok, correct split
39 Correct 6 ms 7764 KB ok, correct split
40 Correct 7 ms 7764 KB ok, correct split
41 Correct 8 ms 7492 KB ok, correct split
42 Correct 5 ms 7488 KB ok, correct split
43 Correct 6 ms 7764 KB ok, correct split
44 Correct 7 ms 7624 KB ok, correct split
45 Correct 6 ms 7752 KB ok, correct split
46 Correct 5 ms 7636 KB ok, correct split
47 Correct 5 ms 7636 KB ok, no valid answer
48 Correct 5 ms 7644 KB ok, correct split
49 Correct 5 ms 7756 KB ok, correct split
50 Correct 4 ms 7348 KB ok, no valid answer
51 Correct 4 ms 7348 KB ok, no valid answer
52 Correct 6 ms 7644 KB ok, no valid answer
53 Correct 6 ms 7636 KB ok, no valid answer
54 Correct 5 ms 7684 KB ok, no valid answer
55 Correct 6 ms 7620 KB ok, no valid answer
56 Correct 6 ms 7660 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7252 KB ok, correct split
2 Correct 4 ms 7380 KB ok, correct split
3 Correct 4 ms 7340 KB ok, correct split
4 Correct 4 ms 7380 KB ok, correct split
5 Correct 4 ms 7380 KB ok, correct split
6 Correct 4 ms 7380 KB ok, correct split
7 Correct 99 ms 24788 KB ok, correct split
8 Correct 105 ms 22472 KB ok, correct split
9 Correct 105 ms 21868 KB ok, correct split
10 Correct 104 ms 25184 KB ok, correct split
11 Correct 98 ms 25148 KB ok, correct split
12 Correct 4 ms 7252 KB ok, correct split
13 Correct 4 ms 7380 KB ok, correct split
14 Correct 4 ms 7312 KB ok, correct split
15 Correct 114 ms 22432 KB ok, correct split
16 Correct 100 ms 17660 KB ok, correct split
17 Correct 96 ms 25200 KB ok, correct split
18 Correct 94 ms 22340 KB ok, correct split
19 Correct 134 ms 19392 KB ok, correct split
20 Correct 90 ms 17380 KB ok, correct split
21 Correct 70 ms 19060 KB ok, correct split
22 Correct 69 ms 19020 KB ok, correct split
23 Correct 76 ms 18996 KB ok, correct split
24 Correct 4 ms 7380 KB ok, correct split
25 Correct 100 ms 17556 KB ok, correct split
26 Correct 32 ms 11600 KB ok, correct split
27 Correct 4 ms 7380 KB ok, correct split
28 Correct 95 ms 19892 KB ok, correct split
29 Correct 124 ms 19640 KB ok, correct split
30 Correct 112 ms 19628 KB ok, correct split
31 Correct 106 ms 20896 KB ok, correct split
32 Correct 90 ms 19648 KB ok, correct split
33 Correct 26 ms 10828 KB ok, no valid answer
34 Correct 38 ms 12364 KB ok, no valid answer
35 Correct 83 ms 18144 KB ok, no valid answer
36 Correct 112 ms 17412 KB ok, no valid answer
37 Correct 65 ms 19048 KB ok, no valid answer
38 Correct 4 ms 7380 KB ok, correct split
39 Correct 4 ms 7252 KB ok, no valid answer
40 Correct 4 ms 7380 KB ok, correct split
41 Correct 4 ms 7380 KB ok, correct split
42 Correct 4 ms 7380 KB ok, correct split
43 Correct 4 ms 7252 KB ok, correct split
44 Correct 4 ms 7380 KB ok, correct split
45 Correct 4 ms 7380 KB ok, correct split
46 Correct 6 ms 7636 KB ok, correct split
47 Correct 6 ms 7636 KB ok, correct split
48 Correct 4 ms 7380 KB ok, correct split
49 Correct 9 ms 7764 KB ok, correct split
50 Correct 4 ms 7380 KB ok, correct split
51 Correct 4 ms 7380 KB ok, correct split
52 Correct 4 ms 7380 KB ok, correct split
53 Correct 4 ms 7380 KB ok, correct split
54 Correct 4 ms 7380 KB ok, correct split
55 Correct 4 ms 7380 KB ok, correct split
56 Correct 4 ms 7380 KB ok, correct split
57 Correct 7 ms 7440 KB ok, correct split
58 Correct 8 ms 7636 KB ok, correct split
59 Correct 5 ms 7636 KB ok, correct split
60 Correct 6 ms 7636 KB ok, correct split
61 Correct 5 ms 7636 KB ok, correct split
62 Correct 5 ms 7636 KB ok, correct split
63 Correct 6 ms 7764 KB ok, correct split
64 Correct 6 ms 7876 KB ok, correct split
65 Correct 6 ms 7812 KB ok, correct split
66 Correct 5 ms 7380 KB ok, correct split
67 Correct 6 ms 7764 KB ok, correct split
68 Correct 4 ms 7360 KB ok, correct split
69 Correct 5 ms 7380 KB ok, correct split
70 Correct 4 ms 7380 KB ok, correct split
71 Correct 6 ms 7620 KB ok, correct split
72 Correct 6 ms 7616 KB ok, correct split
73 Correct 7 ms 7636 KB ok, correct split
74 Correct 7 ms 7744 KB ok, correct split
75 Correct 8 ms 7824 KB ok, correct split
76 Correct 6 ms 7764 KB ok, correct split
77 Correct 7 ms 7764 KB ok, correct split
78 Correct 8 ms 7492 KB ok, correct split
79 Correct 5 ms 7488 KB ok, correct split
80 Correct 6 ms 7764 KB ok, correct split
81 Correct 7 ms 7624 KB ok, correct split
82 Correct 6 ms 7752 KB ok, correct split
83 Correct 5 ms 7636 KB ok, correct split
84 Correct 5 ms 7636 KB ok, no valid answer
85 Correct 5 ms 7644 KB ok, correct split
86 Correct 5 ms 7756 KB ok, correct split
87 Correct 4 ms 7348 KB ok, no valid answer
88 Correct 4 ms 7348 KB ok, no valid answer
89 Correct 6 ms 7644 KB ok, no valid answer
90 Correct 6 ms 7636 KB ok, no valid answer
91 Correct 5 ms 7684 KB ok, no valid answer
92 Correct 6 ms 7620 KB ok, no valid answer
93 Correct 6 ms 7660 KB ok, no valid answer
94 Correct 103 ms 21660 KB ok, correct split
95 Correct 164 ms 27592 KB ok, correct split
96 Correct 124 ms 25708 KB ok, correct split
97 Correct 34 ms 12008 KB ok, correct split
98 Correct 34 ms 12108 KB ok, correct split
99 Correct 49 ms 14124 KB ok, correct split
100 Correct 129 ms 22220 KB ok, correct split
101 Correct 134 ms 21132 KB ok, correct split
102 Correct 135 ms 21184 KB ok, correct split
103 Correct 136 ms 21188 KB ok, correct split
104 Correct 97 ms 22504 KB ok, correct split
105 Correct 52 ms 14700 KB ok, correct split
106 Correct 127 ms 27832 KB ok, correct split
107 Correct 96 ms 18756 KB ok, correct split
108 Correct 93 ms 18744 KB ok, correct split
109 Correct 128 ms 21656 KB ok, correct split
110 Correct 173 ms 23872 KB ok, correct split
111 Correct 121 ms 23628 KB ok, correct split
112 Correct 126 ms 24124 KB ok, correct split
113 Correct 148 ms 23936 KB ok, correct split
114 Correct 15 ms 9300 KB ok, correct split
115 Correct 14 ms 8984 KB ok, correct split
116 Correct 116 ms 23860 KB ok, correct split
117 Correct 109 ms 23312 KB ok, correct split
118 Correct 108 ms 18604 KB ok, correct split
119 Correct 98 ms 18600 KB ok, correct split
120 Correct 93 ms 22692 KB ok, correct split
121 Correct 98 ms 18336 KB ok, no valid answer
122 Correct 105 ms 18688 KB ok, no valid answer
123 Correct 160 ms 21972 KB ok, no valid answer
124 Correct 135 ms 21968 KB ok, no valid answer
125 Correct 91 ms 20784 KB ok, no valid answer
126 Correct 55 ms 18952 KB ok, no valid answer
127 Correct 88 ms 20752 KB ok, no valid answer