oj.uz

Submission #603550

# Submission time Handle Problem Language Result Execution time Memory
603550 2022-07-24T08:01:01 Z rrrr10000 Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 226 ms 22148 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<P> vp;
typedef vector<bool> vb;
typedef vector<vb> vvb;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define pb emplace_back
#define fi first
#define se second
template<class T> void out(T a){cout<<a<<endl;}
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<endl;}
const ll inf=1001001001001001001;
#include "supertrees.h"
int construct(vector<vector<int>> v){
    ll n=v.size();
    rep(i,n)rep(j,n)if(v[i][j]==3)return 0;
    vi gr1(n,-1);
    ll c1=0;
    rep(i,n)if(gr1[i]==-1){
        queue<ll> que;
        que.push(i);
        gr1[i]=c1;
        while(!que.empty()){
            ll t=que.front();que.pop();
            rep(j,n)if(v[j][t]>0&&gr1[j]==-1){
                gr1[j]=c1;que.push(j);
            }
        }
        c1++;
    }
    rep(i,n)rep(j,i)if(v[i][j]==0&&gr1[i]==gr1[j])return 0;
    rep(i,n)rep(j,i)if(v[i][j]>0&&gr1[i]!=gr1[j])return 0;
    vi gr2(n,-1);
    ll c2=0;
    vvi al1(c1);
    rep(i,n)if(gr2[i]==-1){
        al1[gr1[i]].pb(i);
        queue<ll> que;
        que.push(i);
        gr2[i]=c2;
        while(!que.empty()){
            ll t=que.front();que.pop();
            rep(j,n)if(v[j][t]==1&&gr2[j]==-1){
                gr2[j]=c2;que.push(j);
            }
        }
        c2++;
    }
    vector<vector<int>> ans(n,vector<int>(n));
    vvi al2(c2);
    rep(i,n)al2[gr2[i]].pb(i);
    rep(i,c2)rep(j,al2[i].size()-1){
        ll a=al2[i][j],b=al2[i][j+1];
        ans[a][b]=ans[b][a]=1;
    }
    rep(i,c1)if(al1[i].size()>1){
        if(al1[i].size()==2)return 0;
        rep(j,al1[i].size()){
            ll a=al1[i][j],b=al1[i][(j+1)%al1[i].size()];
            ans[a][b]=ans[b][a]=1;
        }
    }
    rep(i,n)rep(j,i)if(v[i][j]==2&&gr2[i]==gr2[j])return 0;
    rep(i,n)rep(j,i)if(v[i][j]==1&&gr2[i]!=gr2[j])return 0;
    build(ans);
    return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 8 ms 1160 KB Output is correct
7 Correct 179 ms 21984 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 8 ms 1160 KB Output is correct
7 Correct 179 ms 21984 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1152 KB Output is correct
13 Correct 186 ms 22136 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 5 ms 596 KB Output is correct
17 Correct 77 ms 8080 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 46 ms 5676 KB Output is correct
21 Correct 200 ms 22004 KB Output is correct
22 Correct 217 ms 22020 KB Output is correct
23 Correct 176 ms 22016 KB Output is correct
24 Correct 168 ms 22084 KB Output is correct
25 Correct 67 ms 8140 KB Output is correct
26 Correct 78 ms 8080 KB Output is correct
27 Correct 176 ms 22020 KB Output is correct
28 Correct 170 ms 22116 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 7 ms 1108 KB Output is correct
9 Correct 172 ms 22064 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 8 ms 1108 KB Output is correct
13 Correct 164 ms 22116 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 596 KB Output is correct
17 Correct 102 ms 8084 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 48 ms 5792 KB Output is correct
22 Correct 193 ms 22024 KB Output is correct
23 Correct 193 ms 22032 KB Output is correct
24 Correct 197 ms 22108 KB Output is correct
25 Correct 75 ms 12236 KB Output is correct
26 Correct 66 ms 8140 KB Output is correct
27 Correct 169 ms 22020 KB Output is correct
28 Correct 188 ms 22120 KB Output is correct
29 Correct 71 ms 12204 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 52 ms 5732 KB Output is correct
5 Correct 226 ms 21968 KB Output is correct
6 Correct 174 ms 22148 KB Output is correct
7 Correct 220 ms 22032 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 51 ms 5732 KB Output is correct
10 Correct 193 ms 22056 KB Output is correct
11 Correct 200 ms 22084 KB Output is correct
12 Correct 190 ms 22116 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 42 ms 5708 KB Output is correct
17 Correct 172 ms 22020 KB Output is correct
18 Correct 176 ms 22092 KB Output is correct
19 Correct 171 ms 22092 KB Output is correct
20 Correct 170 ms 22132 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 8 ms 1160 KB Output is correct
7 Correct 179 ms 21984 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1152 KB Output is correct
13 Correct 186 ms 22136 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 5 ms 596 KB Output is correct
17 Correct 77 ms 8080 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 46 ms 5676 KB Output is correct
21 Correct 200 ms 22004 KB Output is correct
22 Correct 217 ms 22020 KB Output is correct
23 Correct 176 ms 22016 KB Output is correct
24 Correct 168 ms 22084 KB Output is correct
25 Correct 67 ms 8140 KB Output is correct
26 Correct 78 ms 8080 KB Output is correct
27 Correct 176 ms 22020 KB Output is correct
28 Correct 170 ms 22116 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 7 ms 1108 KB Output is correct
37 Correct 172 ms 22064 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 8 ms 1108 KB Output is correct
41 Correct 164 ms 22116 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 102 ms 8084 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 48 ms 5792 KB Output is correct
50 Correct 193 ms 22024 KB Output is correct
51 Correct 193 ms 22032 KB Output is correct
52 Correct 197 ms 22108 KB Output is correct
53 Correct 75 ms 12236 KB Output is correct
54 Correct 66 ms 8140 KB Output is correct
55 Correct 169 ms 22020 KB Output is correct
56 Correct 188 ms 22120 KB Output is correct
57 Correct 71 ms 12204 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 3 ms 596 KB Output is correct
61 Correct 74 ms 8188 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 0 ms 300 KB Output is correct
65 Correct 41 ms 6220 KB Output is correct
66 Correct 78 ms 10104 KB Output is correct
67 Correct 77 ms 10112 KB Output is correct
68 Correct 67 ms 10060 KB Output is correct
69 Correct 73 ms 14212 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 8 ms 1160 KB Output is correct
7 Correct 179 ms 21984 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1152 KB Output is correct
13 Correct 186 ms 22136 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 5 ms 596 KB Output is correct
17 Correct 77 ms 8080 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 46 ms 5676 KB Output is correct
21 Correct 200 ms 22004 KB Output is correct
22 Correct 217 ms 22020 KB Output is correct
23 Correct 176 ms 22016 KB Output is correct
24 Correct 168 ms 22084 KB Output is correct
25 Correct 67 ms 8140 KB Output is correct
26 Correct 78 ms 8080 KB Output is correct
27 Correct 176 ms 22020 KB Output is correct
28 Correct 170 ms 22116 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 7 ms 1108 KB Output is correct
37 Correct 172 ms 22064 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 8 ms 1108 KB Output is correct
41 Correct 164 ms 22116 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 102 ms 8084 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 48 ms 5792 KB Output is correct
50 Correct 193 ms 22024 KB Output is correct
51 Correct 193 ms 22032 KB Output is correct
52 Correct 197 ms 22108 KB Output is correct
53 Correct 75 ms 12236 KB Output is correct
54 Correct 66 ms 8140 KB Output is correct
55 Correct 169 ms 22020 KB Output is correct
56 Correct 188 ms 22120 KB Output is correct
57 Correct 71 ms 12204 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 52 ms 5732 KB Output is correct
62 Correct 226 ms 21968 KB Output is correct
63 Correct 174 ms 22148 KB Output is correct
64 Correct 220 ms 22032 KB Output is correct
65 Correct 1 ms 332 KB Output is correct
66 Correct 51 ms 5732 KB Output is correct
67 Correct 193 ms 22056 KB Output is correct
68 Correct 200 ms 22084 KB Output is correct
69 Correct 190 ms 22116 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 42 ms 5708 KB Output is correct
74 Correct 172 ms 22020 KB Output is correct
75 Correct 176 ms 22092 KB Output is correct
76 Correct 171 ms 22092 KB Output is correct
77 Correct 170 ms 22132 KB Output is correct
78 Correct 0 ms 212 KB Output is correct
79 Correct 0 ms 212 KB Output is correct
80 Correct 3 ms 596 KB Output is correct
81 Correct 74 ms 8188 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 0 ms 212 KB Output is correct
84 Correct 0 ms 300 KB Output is correct
85 Correct 41 ms 6220 KB Output is correct
86 Correct 78 ms 10104 KB Output is correct
87 Correct 77 ms 10112 KB Output is correct
88 Correct 67 ms 10060 KB Output is correct
89 Correct 73 ms 14212 KB Output is correct
90 Correct 1 ms 212 KB Output is correct
91 Correct 1 ms 212 KB Output is correct
92 Correct 3 ms 596 KB Output is correct
93 Correct 75 ms 10104 KB Output is correct
94 Correct 1 ms 304 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 18 ms 2692 KB Output is correct
98 Correct 65 ms 10100 KB Output is correct
99 Correct 71 ms 10108 KB Output is correct
100 Correct 62 ms 10104 KB Output is correct
101 Correct 62 ms 10104 KB Output is correct
102 Correct 72 ms 10104 KB Output is correct
103 Correct 73 ms 10104 KB Output is correct
104 Correct 60 ms 10108 KB Output is correct
105 Correct 77 ms 10032 KB Output is correct