oj.uz

Submission #83143

# Submission time Handle Problem Language Result Execution time Memory
83143 2018-11-05T16:18:30 Z Bodo171 Construction of Highway (JOI18_construction) C++14
100 / 100
 373 ms 70636 KB 
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <map>
using namespace std;
const int nmax=100005;
map<int,int> norm;
vector<int> v[nmax];
vector< pair<int,int> > l[nmax];
pair<int,int> vv[2*nmax];
long long aib[nmax];
int p[nmax],w[nmax],tt[nmax],lev[nmax],c[nmax],a[nmax],b[nmax],x[nmax];
int n,i,j,paths,nr,in,val;
long long ans;
void dfs(int x)
{
    int nod,big=0;
    w[x]=1;
    for(int i=0;i<v[x].size();i++)
    {
        nod=v[x][i];lev[nod]=lev[x]+1;
        dfs(nod);
        w[x]+=w[nod];
        if(w[nod]>w[big])
            big=nod;
    }
    if(!big) p[x]=++paths;
    else p[x]=p[big];
    for(int i=0;i<v[x].size();i++)
        if(v[x][i]!=big)
    {
        tt[p[v[x][i]]]=x;
    }
}
int get(int wh,int x)
{
    int ret=0;
    for(int p=16;p>=0;p--)
        if(ret+(1<<p)<l[wh].size()&&lev[l[wh][ret+(1<<p)].first]>=lev[x])
           ret+=(1<<p);
    ret++;
    return ret;
}
inline int lbit(int x)
{
    return ((x^(x-1))&x);
}
void update(int poz,long long val)
{
    for(int idx=poz;idx<=n;idx+=lbit(idx))
        aib[idx]+=val;
}
long long compute(int poz)
{
    long long ret=0;
    for(int idx=poz;idx>0;idx-=lbit(idx))
        ret+=1LL*aib[idx];
    return ret;
}
void ffffffffft(int x)
{
    int wh;
    nr=0;
    while(x!=0)
    {
        in=get(p[x],x);
        wh=p[x];
        vv[++nr]={lev[x],l[wh][in-1].second};
        for(i=in;i<l[wh].size();i++)
            vv[++nr]={lev[l[wh][i].first],l[wh][i].second};
        x=tt[p[x]];
    }
    vv[nr+1]={0,0};
    ans=0;
    for(val=1;val>=-1;val-=2)
    {
        for(i=1;i<=nr;i++)
        {
            update(vv[i].second,(vv[i].first-vv[i+1].first)*val);
            if(val==1)
                ans+=1LL*compute(vv[i].second-1)*(vv[i].first-vv[i+1].first);
        }
    }
}
void nttttttttt(int x,int col)
{
    int wh;
    while(x!=0)
    {
        wh=p[x];
        while(l[wh].size()&&lev[l[wh].back().first]<=lev[x])
            l[wh].pop_back();
        l[wh].push_back({x,col});
        x=tt[p[x]];
    }
}
int main()
{
    //freopen("data.in","r",stdin);
    ios_base::sync_with_stdio(false);
    cin>>n;
    for(i=1;i<=n;i++)
        cin>>c[i],x[i]=c[i];
    sort(x+1,x+n+1);
    for(i=1;i<=n;i++)
        norm[x[i]]=i;
    for(i=1;i<=n;i++)
        c[i]=norm[c[i]];
    for(i=1;i<=n-1;i++)
    {
        cin>>a[i]>>b[i];
        v[a[i]].push_back(b[i]);
    }
    lev[1]=1;
    dfs(1);
    l[p[1]].push_back({1,c[1]});
    for(int cnt=1;cnt<=n-1;cnt++)
    {
        ffffffffft(a[cnt]);
        nttttttttt(b[cnt],c[b[cnt]]);
        cout<<ans<<'\n';
    }
    return 0;
}

Compilation message

construction.cpp: In function 'void dfs(int)':
construction.cpp:20:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[x].size();i++)
                 ~^~~~~~~~~~~~
construction.cpp:30:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[x].size();i++)
                 ~^~~~~~~~~~~~
construction.cpp: In function 'int get(int, int)':
construction.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(ret+(1<<p)<l[wh].size()&&lev[l[wh][ret+(1<<p)].first]>=lev[x])
            ~~~~~~~~~~^~~~~~~~~~~~~
construction.cpp: In function 'void ffffffffft(int)':
construction.cpp:70:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(i=in;i<l[wh].size();i++)
                  ~^~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5240 KB Output is correct
3 Correct 6 ms 5240 KB Output is correct
4 Correct 6 ms 5240 KB Output is correct
5 Correct 8 ms 5252 KB Output is correct
6 Correct 6 ms 5308 KB Output is correct
7 Correct 7 ms 5316 KB Output is correct
8 Correct 6 ms 5316 KB Output is correct
9 Correct 6 ms 5436 KB Output is correct
10 Correct 6 ms 5436 KB Output is correct
11 Correct 8 ms 5436 KB Output is correct
12 Correct 6 ms 5436 KB Output is correct
13 Correct 7 ms 5436 KB Output is correct
14 Correct 6 ms 5436 KB Output is correct
15 Correct 7 ms 5580 KB Output is correct
16 Correct 7 ms 5580 KB Output is correct
17 Correct 7 ms 5580 KB Output is correct
18 Correct 9 ms 5580 KB Output is correct
19 Correct 7 ms 5636 KB Output is correct
20 Correct 8 ms 5636 KB Output is correct
21 Correct 7 ms 5636 KB Output is correct
22 Correct 6 ms 5636 KB Output is correct
23 Correct 7 ms 5636 KB Output is correct
24 Correct 6 ms 5636 KB Output is correct
25 Correct 6 ms 5636 KB Output is correct
26 Correct 7 ms 5636 KB Output is correct
27 Correct 7 ms 5636 KB Output is correct
28 Correct 6 ms 5636 KB Output is correct
29 Correct 6 ms 5644 KB Output is correct
30 Correct 6 ms 5652 KB Output is correct
31 Correct 7 ms 5704 KB Output is correct
32 Correct 6 ms 5704 KB Output is correct
33 Correct 6 ms 5704 KB Output is correct
34 Correct 7 ms 5704 KB Output is correct
35 Correct 6 ms 5704 KB Output is correct
36 Correct 6 ms 5748 KB Output is correct
37 Correct 7 ms 5836 KB Output is correct
38 Correct 6 ms 5836 KB Output is correct
39 Correct 6 ms 5836 KB Output is correct
40 Correct 8 ms 5836 KB Output is correct
41 Correct 7 ms 5836 KB Output is correct
42 Correct 7 ms 5836 KB Output is correct
43 Correct 7 ms 5836 KB Output is correct
44 Correct 6 ms 5836 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5240 KB Output is correct
3 Correct 6 ms 5240 KB Output is correct
4 Correct 6 ms 5240 KB Output is correct
5 Correct 8 ms 5252 KB Output is correct
6 Correct 6 ms 5308 KB Output is correct
7 Correct 7 ms 5316 KB Output is correct
8 Correct 6 ms 5316 KB Output is correct
9 Correct 6 ms 5436 KB Output is correct
10 Correct 6 ms 5436 KB Output is correct
11 Correct 8 ms 5436 KB Output is correct
12 Correct 6 ms 5436 KB Output is correct
13 Correct 7 ms 5436 KB Output is correct
14 Correct 6 ms 5436 KB Output is correct
15 Correct 7 ms 5580 KB Output is correct
16 Correct 7 ms 5580 KB Output is correct
17 Correct 7 ms 5580 KB Output is correct
18 Correct 9 ms 5580 KB Output is correct
19 Correct 7 ms 5636 KB Output is correct
20 Correct 8 ms 5636 KB Output is correct
21 Correct 7 ms 5636 KB Output is correct
22 Correct 6 ms 5636 KB Output is correct
23 Correct 7 ms 5636 KB Output is correct
24 Correct 6 ms 5636 KB Output is correct
25 Correct 6 ms 5636 KB Output is correct
26 Correct 7 ms 5636 KB Output is correct
27 Correct 7 ms 5636 KB Output is correct
28 Correct 6 ms 5636 KB Output is correct
29 Correct 6 ms 5644 KB Output is correct
30 Correct 6 ms 5652 KB Output is correct
31 Correct 7 ms 5704 KB Output is correct
32 Correct 6 ms 5704 KB Output is correct
33 Correct 6 ms 5704 KB Output is correct
34 Correct 7 ms 5704 KB Output is correct
35 Correct 6 ms 5704 KB Output is correct
36 Correct 6 ms 5748 KB Output is correct
37 Correct 7 ms 5836 KB Output is correct
38 Correct 6 ms 5836 KB Output is correct
39 Correct 6 ms 5836 KB Output is correct
40 Correct 8 ms 5836 KB Output is correct
41 Correct 7 ms 5836 KB Output is correct
42 Correct 7 ms 5836 KB Output is correct
43 Correct 7 ms 5836 KB Output is correct
44 Correct 6 ms 5836 KB Output is correct
45 Correct 7 ms 5900 KB Output is correct
46 Correct 13 ms 6304 KB Output is correct
47 Correct 12 ms 6380 KB Output is correct
48 Correct 13 ms 6532 KB Output is correct
49 Correct 10 ms 6804 KB Output is correct
50 Correct 12 ms 6896 KB Output is correct
51 Correct 10 ms 6972 KB Output is correct
52 Correct 10 ms 6972 KB Output is correct
53 Correct 11 ms 6976 KB Output is correct
54 Correct 12 ms 7072 KB Output is correct
55 Correct 11 ms 7256 KB Output is correct
56 Correct 11 ms 7256 KB Output is correct
57 Correct 13 ms 7256 KB Output is correct
58 Correct 14 ms 7256 KB Output is correct
59 Correct 14 ms 7316 KB Output is correct
60 Correct 15 ms 7392 KB Output is correct
61 Correct 11 ms 7596 KB Output is correct
62 Correct 11 ms 7676 KB Output is correct
63 Correct 10 ms 7876 KB Output is correct
64 Correct 10 ms 7876 KB Output is correct
65 Correct 11 ms 7876 KB Output is correct
66 Correct 13 ms 7876 KB Output is correct
67 Correct 11 ms 7876 KB Output is correct
68 Correct 10 ms 8028 KB Output is correct
69 Correct 11 ms 8076 KB Output is correct
70 Correct 9 ms 8076 KB Output is correct
71 Correct 9 ms 8076 KB Output is correct
72 Correct 12 ms 8108 KB Output is correct
73 Correct 12 ms 8108 KB Output is correct
74 Correct 9 ms 8108 KB Output is correct
75 Correct 10 ms 8256 KB Output is correct
76 Correct 10 ms 8316 KB Output is correct
77 Correct 10 ms 8380 KB Output is correct
78 Correct 9 ms 8380 KB Output is correct
79 Correct 9 ms 8380 KB Output is correct
80 Correct 9 ms 8412 KB Output is correct
81 Correct 10 ms 8584 KB Output is correct
82 Correct 11 ms 8652 KB Output is correct
83 Correct 12 ms 8720 KB Output is correct
84 Correct 9 ms 8720 KB Output is correct
85 Correct 9 ms 8720 KB Output is correct
86 Correct 10 ms 8748 KB Output is correct

Subtask #3
84.0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5240 KB Output is correct
3 Correct 6 ms 5240 KB Output is correct
4 Correct 6 ms 5240 KB Output is correct
5 Correct 8 ms 5252 KB Output is correct
6 Correct 6 ms 5308 KB Output is correct
7 Correct 7 ms 5316 KB Output is correct
8 Correct 6 ms 5316 KB Output is correct
9 Correct 6 ms 5436 KB Output is correct
10 Correct 6 ms 5436 KB Output is correct
11 Correct 8 ms 5436 KB Output is correct
12 Correct 6 ms 5436 KB Output is correct
13 Correct 7 ms 5436 KB Output is correct
14 Correct 6 ms 5436 KB Output is correct
15 Correct 7 ms 5580 KB Output is correct
16 Correct 7 ms 5580 KB Output is correct
17 Correct 7 ms 5580 KB Output is correct
18 Correct 9 ms 5580 KB Output is correct
19 Correct 7 ms 5636 KB Output is correct
20 Correct 8 ms 5636 KB Output is correct
21 Correct 7 ms 5636 KB Output is correct
22 Correct 6 ms 5636 KB Output is correct
23 Correct 7 ms 5636 KB Output is correct
24 Correct 6 ms 5636 KB Output is correct
25 Correct 6 ms 5636 KB Output is correct
26 Correct 7 ms 5636 KB Output is correct
27 Correct 7 ms 5636 KB Output is correct
28 Correct 6 ms 5636 KB Output is correct
29 Correct 6 ms 5644 KB Output is correct
30 Correct 6 ms 5652 KB Output is correct
31 Correct 7 ms 5704 KB Output is correct
32 Correct 6 ms 5704 KB Output is correct
33 Correct 6 ms 5704 KB Output is correct
34 Correct 7 ms 5704 KB Output is correct
35 Correct 6 ms 5704 KB Output is correct
36 Correct 6 ms 5748 KB Output is correct
37 Correct 7 ms 5836 KB Output is correct
38 Correct 6 ms 5836 KB Output is correct
39 Correct 6 ms 5836 KB Output is correct
40 Correct 8 ms 5836 KB Output is correct
41 Correct 7 ms 5836 KB Output is correct
42 Correct 7 ms 5836 KB Output is correct
43 Correct 7 ms 5836 KB Output is correct
44 Correct 6 ms 5836 KB Output is correct
45 Correct 7 ms 5900 KB Output is correct
46 Correct 13 ms 6304 KB Output is correct
47 Correct 12 ms 6380 KB Output is correct
48 Correct 13 ms 6532 KB Output is correct
49 Correct 10 ms 6804 KB Output is correct
50 Correct 12 ms 6896 KB Output is correct
51 Correct 10 ms 6972 KB Output is correct
52 Correct 10 ms 6972 KB Output is correct
53 Correct 11 ms 6976 KB Output is correct
54 Correct 12 ms 7072 KB Output is correct
55 Correct 11 ms 7256 KB Output is correct
56 Correct 11 ms 7256 KB Output is correct
57 Correct 13 ms 7256 KB Output is correct
58 Correct 14 ms 7256 KB Output is correct
59 Correct 14 ms 7316 KB Output is correct
60 Correct 15 ms 7392 KB Output is correct
61 Correct 11 ms 7596 KB Output is correct
62 Correct 11 ms 7676 KB Output is correct
63 Correct 10 ms 7876 KB Output is correct
64 Correct 10 ms 7876 KB Output is correct
65 Correct 11 ms 7876 KB Output is correct
66 Correct 13 ms 7876 KB Output is correct
67 Correct 11 ms 7876 KB Output is correct
68 Correct 10 ms 8028 KB Output is correct
69 Correct 11 ms 8076 KB Output is correct
70 Correct 9 ms 8076 KB Output is correct
71 Correct 9 ms 8076 KB Output is correct
72 Correct 12 ms 8108 KB Output is correct
73 Correct 12 ms 8108 KB Output is correct
74 Correct 9 ms 8108 KB Output is correct
75 Correct 10 ms 8256 KB Output is correct
76 Correct 10 ms 8316 KB Output is correct
77 Correct 10 ms 8380 KB Output is correct
78 Correct 9 ms 8380 KB Output is correct
79 Correct 9 ms 8380 KB Output is correct
80 Correct 9 ms 8412 KB Output is correct
81 Correct 10 ms 8584 KB Output is correct
82 Correct 11 ms 8652 KB Output is correct
83 Correct 12 ms 8720 KB Output is correct
84 Correct 9 ms 8720 KB Output is correct
85 Correct 9 ms 8720 KB Output is correct
86 Correct 10 ms 8748 KB Output is correct
87 Correct 25 ms 9692 KB Output is correct
88 Correct 66 ms 12700 KB Output is correct
89 Correct 275 ms 23308 KB Output is correct
90 Correct 268 ms 25292 KB Output is correct
91 Correct 288 ms 27552 KB Output is correct
92 Correct 178 ms 36996 KB Output is correct
93 Correct 178 ms 39044 KB Output is correct
94 Correct 178 ms 41156 KB Output is correct
95 Correct 176 ms 41156 KB Output is correct
96 Correct 188 ms 42184 KB Output is correct
97 Correct 175 ms 44264 KB Output is correct
98 Correct 182 ms 46332 KB Output is correct
99 Correct 191 ms 47828 KB Output is correct
100 Correct 348 ms 47828 KB Output is correct
101 Correct 364 ms 47828 KB Output is correct
102 Correct 364 ms 49884 KB Output is correct
103 Correct 373 ms 52076 KB Output is correct
104 Correct 188 ms 57972 KB Output is correct
105 Correct 179 ms 60164 KB Output is correct
106 Correct 181 ms 62148 KB Output is correct
107 Correct 154 ms 62148 KB Output is correct
108 Correct 190 ms 62148 KB Output is correct
109 Correct 248 ms 62148 KB Output is correct
110 Correct 103 ms 67084 KB Output is correct
111 Correct 179 ms 70636 KB Output is correct
112 Correct 125 ms 70636 KB Output is correct
113 Correct 107 ms 70636 KB Output is correct
114 Correct 315 ms 70636 KB Output is correct
115 Correct 303 ms 70636 KB Output is correct
116 Correct 110 ms 70636 KB Output is correct
117 Correct 169 ms 70636 KB Output is correct
118 Correct 176 ms 70636 KB Output is correct
119 Correct 181 ms 70636 KB Output is correct
120 Correct 103 ms 70636 KB Output is correct
121 Correct 106 ms 70636 KB Output is correct
122 Correct 113 ms 70636 KB Output is correct
123 Correct 194 ms 70636 KB Output is correct
124 Correct 185 ms 70636 KB Output is correct
125 Correct 193 ms 70636 KB Output is correct
126 Correct 130 ms 70636 KB Output is correct
127 Correct 119 ms 70636 KB Output is correct
128 Correct 116 ms 70636 KB Output is correct