oj.uz

답안 #734281

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
734281 2023-05-02T08:22:59 Z mosiashvililuka 조이터에서 친구를 만드는건 재밌어 (JOI20_joitter2) C++14
100 / 100
 768 ms 71604 KB 
#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,i,j,ii,jj,zx,xc,t,tes,msh[100009],pas,C,D;
vector <long long> V[100009];
set <long long> in[100009],out[100009],sm[100009];//sm-c ideashi in-ebia ogond komponentis magivrad wveros nomers agdeb
set <long long>::iterator it,tt;
bool check(long long q, long long w){
    if(out[w].find(q)==out[w].end()) return 0; else return 1;
}
void mrg(long long Q, long long W){
    long long q=msh[Q],w=msh[W];
    if(q==w) return;
    if(V[q].size()+in[q].size()+out[q].size()+sm[q].size()<V[w].size()+in[w].size()+out[w].size()+sm[w].size()) swap(q,w);
    long long qw=V[q].size(),we=V[w].size(),Sq=sm[q].size(),Sw=sm[w].size();
    pas-=qw*(qw-1);
    pas-=we*(we-1);
    pas-=qw*Sq;
    pas-=we*Sw;
    //
    vector <pair <long long, long long> > NXT;
    for(vector <long long>::iterator IT=V[w].begin(); IT!=V[w].end(); IT++){
        V[q].push_back((*IT));
        tt=sm[q].find((*IT));
        if(tt!=sm[q].end()){
            sm[q].erase(tt);
        }
        msh[(*IT)]=q;
    }
    V[w].clear();
    for(it=sm[w].begin(); it!=sm[w].end(); it++){
        if(msh[(*it)]==q) continue;
        if(sm[q].find((*it))==sm[q].end()){
            sm[q].insert((*it));
        }
    }
    Sq=sm[q].size();
    pas+=(qw+we)*Sq;
    //
    for(it=in[w].begin(); it!=in[w].end(); it++){
        out[(*it)].erase(out[(*it)].find(w));
        if((*it)==q) continue;
        out[(*it)].insert(q);
        in[q].insert((*it));
        if(check((*it),q)) NXT.push_back({(*it),q});
    }
    for(it=out[w].begin(); it!=out[w].end(); it++){
        in[(*it)].erase(in[(*it)].find(w));
        if((*it)==q) continue;
        in[(*it)].insert(q);
        out[q].insert((*it));
        if(check(q,(*it))) NXT.push_back({(*it),q});
    }
    //
    in[w].clear();out[w].clear();sm[w].clear();
    pas+=V[q].size()*(V[q].size()-1);
    while(NXT.size()){
        mrg(NXT.back().first,NXT.back().second);
        NXT.pop_back();
    }
}
int main(){
    ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
    cin>>a>>tes;
    for(i=1; i<=a; i++){
        msh[i]=i;V[i].push_back(i);
    }
    for(t=1; t<=tes; t++){
        cin>>C>>D;
        c=msh[C],d=msh[D];
        if(c==d){
            cout<<pas<<"\n";
            continue;
        }
        if(check(c,d)==0){
            if(sm[d].find(C)!=sm[d].end()){
                cout<<pas<<"\n";
                continue;
            }
            pas+=V[d].size();
            in[d].insert(c);out[c].insert(d);
            sm[d].insert(C);
            cout<<pas<<"\n";
            continue;
        }
        in[d].insert(c);out[c].insert(d);
        sm[d].insert(C);
        pas+=V[d].size();
        mrg(c,d);
        cout<<pas<<"\n";
    }
    return 0;
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 16724 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 8 ms 16772 KB Output is correct
5 Correct 9 ms 16748 KB Output is correct
6 Correct 9 ms 16680 KB Output is correct
7 Correct 10 ms 16780 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 9 ms 16824 KB Output is correct
10 Correct 9 ms 16724 KB Output is correct
11 Correct 9 ms 16772 KB Output is correct
12 Correct 10 ms 16724 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 8 ms 16768 KB Output is correct
15 Correct 9 ms 16724 KB Output is correct
16 Correct 8 ms 16724 KB Output is correct
17 Correct 9 ms 16772 KB Output is correct
18 Correct 9 ms 16724 KB Output is correct
19 Correct 9 ms 16724 KB Output is correct
20 Correct 10 ms 16776 KB Output is correct
21 Correct 10 ms 16768 KB Output is correct
22 Correct 11 ms 16736 KB Output is correct
23 Correct 9 ms 16780 KB Output is correct
24 Correct 9 ms 16772 KB Output is correct
25 Correct 9 ms 16740 KB Output is correct
26 Correct 9 ms 16724 KB Output is correct
27 Correct 8 ms 16724 KB Output is correct
28 Correct 8 ms 16776 KB Output is correct
29 Correct 9 ms 16768 KB Output is correct
30 Correct 9 ms 16776 KB Output is correct
31 Correct 9 ms 16780 KB Output is correct
32 Correct 8 ms 16752 KB Output is correct
33 Correct 10 ms 16776 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 16724 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 8 ms 16772 KB Output is correct
5 Correct 9 ms 16748 KB Output is correct
6 Correct 9 ms 16680 KB Output is correct
7 Correct 10 ms 16780 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 9 ms 16824 KB Output is correct
10 Correct 9 ms 16724 KB Output is correct
11 Correct 9 ms 16772 KB Output is correct
12 Correct 10 ms 16724 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 8 ms 16768 KB Output is correct
15 Correct 9 ms 16724 KB Output is correct
16 Correct 8 ms 16724 KB Output is correct
17 Correct 9 ms 16772 KB Output is correct
18 Correct 9 ms 16724 KB Output is correct
19 Correct 9 ms 16724 KB Output is correct
20 Correct 10 ms 16776 KB Output is correct
21 Correct 10 ms 16768 KB Output is correct
22 Correct 11 ms 16736 KB Output is correct
23 Correct 9 ms 16780 KB Output is correct
24 Correct 9 ms 16772 KB Output is correct
25 Correct 9 ms 16740 KB Output is correct
26 Correct 9 ms 16724 KB Output is correct
27 Correct 8 ms 16724 KB Output is correct
28 Correct 8 ms 16776 KB Output is correct
29 Correct 9 ms 16768 KB Output is correct
30 Correct 9 ms 16776 KB Output is correct
31 Correct 9 ms 16780 KB Output is correct
32 Correct 8 ms 16752 KB Output is correct
33 Correct 10 ms 16776 KB Output is correct
34 Correct 13 ms 16852 KB Output is correct
35 Correct 84 ms 20672 KB Output is correct
36 Correct 102 ms 23072 KB Output is correct
37 Correct 109 ms 23160 KB Output is correct
38 Correct 93 ms 22860 KB Output is correct
39 Correct 10 ms 16852 KB Output is correct
40 Correct 12 ms 17108 KB Output is correct
41 Correct 11 ms 17108 KB Output is correct
42 Correct 10 ms 16852 KB Output is correct
43 Correct 12 ms 17044 KB Output is correct
44 Correct 13 ms 17044 KB Output is correct
45 Correct 10 ms 16852 KB Output is correct
46 Correct 11 ms 16888 KB Output is correct
47 Correct 11 ms 17108 KB Output is correct
48 Correct 13 ms 17036 KB Output is correct
49 Correct 18 ms 17876 KB Output is correct
50 Correct 113 ms 23384 KB Output is correct
51 Correct 14 ms 17292 KB Output is correct
52 Correct 86 ms 21588 KB Output is correct
53 Correct 17 ms 17716 KB Output is correct
54 Correct 94 ms 22560 KB Output is correct
55 Correct 14 ms 17492 KB Output is correct
56 Correct 14 ms 17428 KB Output is correct
57 Correct 15 ms 17812 KB Output is correct
58 Correct 13 ms 17808 KB Output is correct
59 Correct 11 ms 16980 KB Output is correct
60 Correct 69 ms 19436 KB Output is correct
61 Correct 12 ms 17108 KB Output is correct
62 Correct 93 ms 22680 KB Output is correct

Subtask #3
83.0 / 83.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 16724 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 8 ms 16772 KB Output is correct
5 Correct 9 ms 16748 KB Output is correct
6 Correct 9 ms 16680 KB Output is correct
7 Correct 10 ms 16780 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 9 ms 16824 KB Output is correct
10 Correct 9 ms 16724 KB Output is correct
11 Correct 9 ms 16772 KB Output is correct
12 Correct 10 ms 16724 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 8 ms 16768 KB Output is correct
15 Correct 9 ms 16724 KB Output is correct
16 Correct 8 ms 16724 KB Output is correct
17 Correct 9 ms 16772 KB Output is correct
18 Correct 9 ms 16724 KB Output is correct
19 Correct 9 ms 16724 KB Output is correct
20 Correct 10 ms 16776 KB Output is correct
21 Correct 10 ms 16768 KB Output is correct
22 Correct 11 ms 16736 KB Output is correct
23 Correct 9 ms 16780 KB Output is correct
24 Correct 9 ms 16772 KB Output is correct
25 Correct 9 ms 16740 KB Output is correct
26 Correct 9 ms 16724 KB Output is correct
27 Correct 8 ms 16724 KB Output is correct
28 Correct 8 ms 16776 KB Output is correct
29 Correct 9 ms 16768 KB Output is correct
30 Correct 9 ms 16776 KB Output is correct
31 Correct 9 ms 16780 KB Output is correct
32 Correct 8 ms 16752 KB Output is correct
33 Correct 10 ms 16776 KB Output is correct
34 Correct 13 ms 16852 KB Output is correct
35 Correct 84 ms 20672 KB Output is correct
36 Correct 102 ms 23072 KB Output is correct
37 Correct 109 ms 23160 KB Output is correct
38 Correct 93 ms 22860 KB Output is correct
39 Correct 10 ms 16852 KB Output is correct
40 Correct 12 ms 17108 KB Output is correct
41 Correct 11 ms 17108 KB Output is correct
42 Correct 10 ms 16852 KB Output is correct
43 Correct 12 ms 17044 KB Output is correct
44 Correct 13 ms 17044 KB Output is correct
45 Correct 10 ms 16852 KB Output is correct
46 Correct 11 ms 16888 KB Output is correct
47 Correct 11 ms 17108 KB Output is correct
48 Correct 13 ms 17036 KB Output is correct
49 Correct 18 ms 17876 KB Output is correct
50 Correct 113 ms 23384 KB Output is correct
51 Correct 14 ms 17292 KB Output is correct
52 Correct 86 ms 21588 KB Output is correct
53 Correct 17 ms 17716 KB Output is correct
54 Correct 94 ms 22560 KB Output is correct
55 Correct 14 ms 17492 KB Output is correct
56 Correct 14 ms 17428 KB Output is correct
57 Correct 15 ms 17812 KB Output is correct
58 Correct 13 ms 17808 KB Output is correct
59 Correct 11 ms 16980 KB Output is correct
60 Correct 69 ms 19436 KB Output is correct
61 Correct 12 ms 17108 KB Output is correct
62 Correct 93 ms 22680 KB Output is correct
63 Correct 416 ms 65116 KB Output is correct
64 Correct 429 ms 65228 KB Output is correct
65 Correct 413 ms 65176 KB Output is correct
66 Correct 117 ms 23776 KB Output is correct
67 Correct 250 ms 34140 KB Output is correct
68 Correct 115 ms 23732 KB Output is correct
69 Correct 327 ms 30588 KB Output is correct
70 Correct 117 ms 23820 KB Output is correct
71 Correct 109 ms 23812 KB Output is correct
72 Correct 310 ms 31600 KB Output is correct
73 Correct 292 ms 32188 KB Output is correct
74 Correct 768 ms 44084 KB Output is correct
75 Correct 451 ms 35560 KB Output is correct
76 Correct 608 ms 41348 KB Output is correct
77 Correct 605 ms 41484 KB Output is correct
78 Correct 155 ms 29736 KB Output is correct
79 Correct 256 ms 31640 KB Output is correct
80 Correct 186 ms 29696 KB Output is correct
81 Correct 276 ms 31800 KB Output is correct
82 Correct 615 ms 51412 KB Output is correct
83 Correct 596 ms 51400 KB Output is correct
84 Correct 543 ms 71604 KB Output is correct
85 Correct 549 ms 71516 KB Output is correct
86 Correct 155 ms 33848 KB Output is correct
87 Correct 171 ms 34956 KB Output is correct
88 Correct 312 ms 31832 KB Output is correct
89 Correct 566 ms 40428 KB Output is correct