답안 #83143 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
83143	2018-11-05T16:18:30 Z	Bodo171	Construction of Highway (JOI18_construction)	C++14	100 / 100	373 ms	70636 KB

construction

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #83143

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 9.0 / 9.0

Subtask #3 84.0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
9.0 / 9.0

Subtask #3
84.0 / 84.0