oj.uz

Submission #734279

# Submission time Handle Problem Language Result Execution time Memory
734279 2023-05-02T08:19:20 Z mosiashvililuka Making Friends on Joitter is Fun (JOI20_joitter2) C++14
100 / 100
 786 ms 71336 KB 
#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,i,j,ii,jj,zx,xc,t,tes,msh[100009],C,D;
long long pas;
vector <int> V[100009];
set <int> in[100009],out[100009],sm[100009];//sm-c ideashi in-ebia ogond komponentis magivrad wveros nomers agdeb
set <int>::iterator it,tt;
bool check(int q, int w){
    if(out[w].find(q)==out[w].end()) return 0; else return 1;
}
void mrg(int Q, int W){
    int 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 <int, int> > NXT;
    for(vector <int>::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;
        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();
    qw=V[q].size();
    pas+=qw*(qw-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

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Correct 8 ms 16768 KB Output is correct
3 Correct 9 ms 16724 KB Output is correct
4 Correct 9 ms 16768 KB Output is correct
5 Correct 8 ms 16776 KB Output is correct
6 Correct 8 ms 16724 KB Output is correct
7 Correct 9 ms 16780 KB Output is correct
8 Correct 8 ms 16776 KB Output is correct
9 Correct 10 ms 16724 KB Output is correct
10 Correct 8 ms 16724 KB Output is correct
11 Correct 9 ms 16712 KB Output is correct
12 Correct 8 ms 16764 KB Output is correct
13 Correct 9 ms 16764 KB Output is correct
14 Correct 8 ms 16672 KB Output is correct
15 Correct 10 ms 16724 KB Output is correct
16 Correct 9 ms 16728 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 9 ms 16852 KB Output is correct
19 Correct 9 ms 16752 KB Output is correct
20 Correct 8 ms 16728 KB Output is correct
21 Correct 11 ms 16736 KB Output is correct
22 Correct 9 ms 16724 KB Output is correct
23 Correct 9 ms 16724 KB Output is correct
24 Correct 8 ms 16776 KB Output is correct
25 Correct 9 ms 16744 KB Output is correct
26 Correct 8 ms 16768 KB Output is correct
27 Correct 8 ms 16724 KB Output is correct
28 Correct 8 ms 16724 KB Output is correct
29 Correct 8 ms 16780 KB Output is correct
30 Correct 8 ms 16724 KB Output is correct
31 Correct 8 ms 16732 KB Output is correct
32 Correct 9 ms 16760 KB Output is correct
33 Correct 8 ms 16772 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Correct 8 ms 16768 KB Output is correct
3 Correct 9 ms 16724 KB Output is correct
4 Correct 9 ms 16768 KB Output is correct
5 Correct 8 ms 16776 KB Output is correct
6 Correct 8 ms 16724 KB Output is correct
7 Correct 9 ms 16780 KB Output is correct
8 Correct 8 ms 16776 KB Output is correct
9 Correct 10 ms 16724 KB Output is correct
10 Correct 8 ms 16724 KB Output is correct
11 Correct 9 ms 16712 KB Output is correct
12 Correct 8 ms 16764 KB Output is correct
13 Correct 9 ms 16764 KB Output is correct
14 Correct 8 ms 16672 KB Output is correct
15 Correct 10 ms 16724 KB Output is correct
16 Correct 9 ms 16728 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 9 ms 16852 KB Output is correct
19 Correct 9 ms 16752 KB Output is correct
20 Correct 8 ms 16728 KB Output is correct
21 Correct 11 ms 16736 KB Output is correct
22 Correct 9 ms 16724 KB Output is correct
23 Correct 9 ms 16724 KB Output is correct
24 Correct 8 ms 16776 KB Output is correct
25 Correct 9 ms 16744 KB Output is correct
26 Correct 8 ms 16768 KB Output is correct
27 Correct 8 ms 16724 KB Output is correct
28 Correct 8 ms 16724 KB Output is correct
29 Correct 8 ms 16780 KB Output is correct
30 Correct 8 ms 16724 KB Output is correct
31 Correct 8 ms 16732 KB Output is correct
32 Correct 9 ms 16760 KB Output is correct
33 Correct 8 ms 16772 KB Output is correct
34 Correct 11 ms 16908 KB Output is correct
35 Correct 86 ms 22548 KB Output is correct
36 Correct 109 ms 25388 KB Output is correct
37 Correct 121 ms 25548 KB Output is correct
38 Correct 98 ms 25124 KB Output is correct
39 Correct 10 ms 16852 KB Output is correct
40 Correct 11 ms 16980 KB Output is correct
41 Correct 11 ms 16980 KB Output is correct
42 Correct 11 ms 16852 KB Output is correct
43 Correct 12 ms 16980 KB Output is correct
44 Correct 11 ms 17036 KB Output is correct
45 Correct 10 ms 16852 KB Output is correct
46 Correct 9 ms 16852 KB Output is correct
47 Correct 10 ms 16980 KB Output is correct
48 Correct 12 ms 17032 KB Output is correct
49 Correct 21 ms 17804 KB Output is correct
50 Correct 106 ms 25572 KB Output is correct
51 Correct 17 ms 17292 KB Output is correct
52 Correct 84 ms 23908 KB Output is correct
53 Correct 16 ms 17744 KB Output is correct
54 Correct 94 ms 24708 KB Output is correct
55 Correct 12 ms 17364 KB Output is correct
56 Correct 13 ms 17364 KB Output is correct
57 Correct 13 ms 17844 KB Output is correct
58 Correct 14 ms 17796 KB Output is correct
59 Correct 10 ms 16980 KB Output is correct
60 Correct 74 ms 21904 KB Output is correct
61 Correct 12 ms 17108 KB Output is correct
62 Correct 104 ms 25000 KB Output is correct

Subtask #3
83.0 / 83.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Correct 8 ms 16768 KB Output is correct
3 Correct 9 ms 16724 KB Output is correct
4 Correct 9 ms 16768 KB Output is correct
5 Correct 8 ms 16776 KB Output is correct
6 Correct 8 ms 16724 KB Output is correct
7 Correct 9 ms 16780 KB Output is correct
8 Correct 8 ms 16776 KB Output is correct
9 Correct 10 ms 16724 KB Output is correct
10 Correct 8 ms 16724 KB Output is correct
11 Correct 9 ms 16712 KB Output is correct
12 Correct 8 ms 16764 KB Output is correct
13 Correct 9 ms 16764 KB Output is correct
14 Correct 8 ms 16672 KB Output is correct
15 Correct 10 ms 16724 KB Output is correct
16 Correct 9 ms 16728 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 9 ms 16852 KB Output is correct
19 Correct 9 ms 16752 KB Output is correct
20 Correct 8 ms 16728 KB Output is correct
21 Correct 11 ms 16736 KB Output is correct
22 Correct 9 ms 16724 KB Output is correct
23 Correct 9 ms 16724 KB Output is correct
24 Correct 8 ms 16776 KB Output is correct
25 Correct 9 ms 16744 KB Output is correct
26 Correct 8 ms 16768 KB Output is correct
27 Correct 8 ms 16724 KB Output is correct
28 Correct 8 ms 16724 KB Output is correct
29 Correct 8 ms 16780 KB Output is correct
30 Correct 8 ms 16724 KB Output is correct
31 Correct 8 ms 16732 KB Output is correct
32 Correct 9 ms 16760 KB Output is correct
33 Correct 8 ms 16772 KB Output is correct
34 Correct 11 ms 16908 KB Output is correct
35 Correct 86 ms 22548 KB Output is correct
36 Correct 109 ms 25388 KB Output is correct
37 Correct 121 ms 25548 KB Output is correct
38 Correct 98 ms 25124 KB Output is correct
39 Correct 10 ms 16852 KB Output is correct
40 Correct 11 ms 16980 KB Output is correct
41 Correct 11 ms 16980 KB Output is correct
42 Correct 11 ms 16852 KB Output is correct
43 Correct 12 ms 16980 KB Output is correct
44 Correct 11 ms 17036 KB Output is correct
45 Correct 10 ms 16852 KB Output is correct
46 Correct 9 ms 16852 KB Output is correct
47 Correct 10 ms 16980 KB Output is correct
48 Correct 12 ms 17032 KB Output is correct
49 Correct 21 ms 17804 KB Output is correct
50 Correct 106 ms 25572 KB Output is correct
51 Correct 17 ms 17292 KB Output is correct
52 Correct 84 ms 23908 KB Output is correct
53 Correct 16 ms 17744 KB Output is correct
54 Correct 94 ms 24708 KB Output is correct
55 Correct 12 ms 17364 KB Output is correct
56 Correct 13 ms 17364 KB Output is correct
57 Correct 13 ms 17844 KB Output is correct
58 Correct 14 ms 17796 KB Output is correct
59 Correct 10 ms 16980 KB Output is correct
60 Correct 74 ms 21904 KB Output is correct
61 Correct 12 ms 17108 KB Output is correct
62 Correct 104 ms 25000 KB Output is correct
63 Correct 413 ms 67988 KB Output is correct
64 Correct 445 ms 67744 KB Output is correct
65 Correct 450 ms 67764 KB Output is correct
66 Correct 117 ms 25252 KB Output is correct
67 Correct 248 ms 32928 KB Output is correct
68 Correct 116 ms 25320 KB Output is correct
69 Correct 342 ms 32048 KB Output is correct
70 Correct 119 ms 25204 KB Output is correct
71 Correct 116 ms 25200 KB Output is correct
72 Correct 324 ms 31944 KB Output is correct
73 Correct 286 ms 32192 KB Output is correct
74 Correct 786 ms 44348 KB Output is correct
75 Correct 453 ms 37580 KB Output is correct
76 Correct 573 ms 43084 KB Output is correct
77 Correct 601 ms 43148 KB Output is correct
78 Correct 206 ms 30716 KB Output is correct
79 Correct 260 ms 33912 KB Output is correct
80 Correct 185 ms 30848 KB Output is correct
81 Correct 285 ms 33908 KB Output is correct
82 Correct 576 ms 52824 KB Output is correct
83 Correct 627 ms 52756 KB Output is correct
84 Correct 581 ms 71324 KB Output is correct
85 Correct 563 ms 71336 KB Output is correct
86 Correct 161 ms 29684 KB Output is correct
87 Correct 166 ms 31564 KB Output is correct
88 Correct 316 ms 32140 KB Output is correct
89 Correct 582 ms 42048 KB Output is correct