oj.uz

Submission #715863

# Submission time Handle Problem Language Result Execution time Memory
715863 2023-03-28T08:37:37 Z bin9638 Game (IOI14_game) C++17
100 / 100
 496 ms 17548 KB 
#include<bits/stdc++.h>

#ifndef SKY
#include "game.h"
#endif // SKY

using namespace std;
#define N 1510
#define ll long long
#define ii pair<int,int>
#define fs first
#define sc second
#define pb push_back
#define iii pair<int,ii>

int n,cnt[N][N];
bitset<N>bit[N],f[N];

struct DSU
{
    int lab[N];
    vector<int>lis[N];

    void init()
    {
        memset(lab,-1,sizeof(lab));
        for(int i=0;i<n;i++)
            lis[i].pb(i);
        for(int i=0;i<n;i++)
        {
            bit[i].reset();
            f[i].reset();
            bit[i][i]=1;
            for(int j=0;j<n;j++)
                f[i][j]=1;
            for(int j=0;j<n;j++)
                cnt[i][j]=1;
        }
    }

    int root(int u)
    {
        if(lab[u]<0)
            return u;
        return(lab[u]=root(lab[u]));
    }

    bool update(int u,int v)
    {
        int i=u,j=v;
        u=root(u);
        v=root(v);
        //cout<<cnt[u][j]<<" "<<cnt[v][i]<<endl;
        cnt[u][j]--;
        if(cnt[u][j]==0)
            f[u][j]=0;
        cnt[v][i]--;
        if(cnt[v][i]==0)
            f[v][i]=0;
      //  cout<<cnt[u][j]<<" "<<cnt[v][i]<<endl;
      //  cout<<u<<" "<<v<<endl;
        bitset<N>tmp=(f[u]&bit[v]);
      //  for(int i=0;i<n;i++)cout<<tmp[i]<<" ";cout<<endl;
        if(tmp.count()>0)
        {
            return 0;
        }
        if(lab[u]>lab[v])
            swap(u,v);
        lab[u]+=lab[v];
        lab[v]=u;
        bit[u]|=bit[v];
        for(int t=0;t<n;t++)
        {
            cnt[u][t]+=cnt[v][t];
            if(cnt[u][t]>0)
                f[u][t]=1;
        }
        return 1;
    }
}T;


int hasEdge(int u, int v)
{
   // cout<<cnt[u][v]<<endl;
    int res=T.update(u,v);
    #ifdef SKY
    if(res==1)cout<<"YES\n";else cout<<"NO\n";
    #endif // SKY
    return res;
}

void initialize(int cc)
{
    n=cc;
        memset(cnt,0,sizeof(cnt));
    T.init();
    //cout<<cnt[0][1]<<endl
    #ifdef SKY
    for(int i=1;i<=n*(n-1)/2;i++)
    {
        int u,v;
        cin>>u>>v;
        int cc=hasEdge(u,v);
    }
    #endif // SKY
}

#ifdef SKY
int main()
{
    freopen("A.inp","r",stdin);
    freopen("A.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin>>n;
    initialize(n);
    return 0;
}
#endif // SKY

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9172 KB Output is correct
2 Correct 4 ms 9172 KB Output is correct
3 Correct 4 ms 9172 KB Output is correct
4 Correct 4 ms 9172 KB Output is correct
5 Correct 6 ms 9248 KB Output is correct
6 Correct 4 ms 9172 KB Output is correct
7 Correct 5 ms 9232 KB Output is correct
8 Correct 4 ms 9172 KB Output is correct
9 Correct 4 ms 9172 KB Output is correct
10 Correct 5 ms 9196 KB Output is correct
11 Correct 4 ms 9172 KB Output is correct
12 Correct 4 ms 9172 KB Output is correct
13 Correct 4 ms 9172 KB Output is correct
14 Correct 4 ms 9172 KB Output is correct
15 Correct 4 ms 9172 KB Output is correct
16 Correct 6 ms 9172 KB Output is correct
17 Correct 4 ms 9172 KB Output is correct
18 Correct 4 ms 9172 KB Output is correct
19 Correct 4 ms 9172 KB Output is correct
20 Correct 5 ms 9172 KB Output is correct
21 Correct 4 ms 9156 KB Output is correct
22 Correct 4 ms 9208 KB Output is correct
23 Correct 6 ms 9172 KB Output is correct
24 Correct 4 ms 9172 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9208 KB Output is correct
2 Correct 4 ms 9172 KB Output is correct
3 Correct 4 ms 9172 KB Output is correct
4 Correct 3 ms 9172 KB Output is correct
5 Correct 5 ms 9172 KB Output is correct
6 Correct 4 ms 9172 KB Output is correct
7 Correct 4 ms 9172 KB Output is correct
8 Correct 5 ms 9172 KB Output is correct
9 Correct 4 ms 9172 KB Output is correct
10 Correct 5 ms 9172 KB Output is correct
11 Correct 4 ms 9172 KB Output is correct
12 Correct 4 ms 9172 KB Output is correct
13 Correct 4 ms 9172 KB Output is correct
14 Correct 4 ms 9172 KB Output is correct
15 Correct 4 ms 9172 KB Output is correct
16 Correct 4 ms 9172 KB Output is correct
17 Correct 6 ms 9172 KB Output is correct
18 Correct 4 ms 9172 KB Output is correct
19 Correct 4 ms 9172 KB Output is correct
20 Correct 4 ms 9172 KB Output is correct
21 Correct 4 ms 9172 KB Output is correct
22 Correct 5 ms 9172 KB Output is correct
23 Correct 4 ms 9172 KB Output is correct
24 Correct 4 ms 9172 KB Output is correct
25 Correct 4 ms 9300 KB Output is correct
26 Correct 4 ms 9172 KB Output is correct
27 Correct 4 ms 9172 KB Output is correct
28 Correct 4 ms 9300 KB Output is correct
29 Correct 4 ms 9300 KB Output is correct
30 Correct 4 ms 9300 KB Output is correct
31 Correct 6 ms 9220 KB Output is correct
32 Correct 4 ms 9172 KB Output is correct
33 Correct 4 ms 9300 KB Output is correct
34 Correct 7 ms 9300 KB Output is correct
35 Correct 6 ms 9300 KB Output is correct
36 Correct 5 ms 9300 KB Output is correct
37 Correct 6 ms 9300 KB Output is correct
38 Correct 5 ms 9300 KB Output is correct
39 Correct 5 ms 9300 KB Output is correct
40 Correct 5 ms 9304 KB Output is correct
41 Correct 5 ms 9300 KB Output is correct
42 Correct 5 ms 9300 KB Output is correct
43 Correct 5 ms 9300 KB Output is correct
44 Correct 6 ms 9324 KB Output is correct
45 Correct 6 ms 9300 KB Output is correct
46 Correct 5 ms 9300 KB Output is correct
47 Correct 6 ms 9300 KB Output is correct
48 Correct 5 ms 9300 KB Output is correct
49 Correct 6 ms 9300 KB Output is correct
50 Correct 5 ms 9272 KB Output is correct
51 Correct 5 ms 9300 KB Output is correct
52 Correct 5 ms 9300 KB Output is correct
53 Correct 6 ms 9300 KB Output is correct
54 Correct 5 ms 9300 KB Output is correct

Subtask #3
58.0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9172 KB Output is correct
2 Correct 4 ms 9172 KB Output is correct
3 Correct 4 ms 9172 KB Output is correct
4 Correct 4 ms 9264 KB Output is correct
5 Correct 4 ms 9172 KB Output is correct
6 Correct 4 ms 9172 KB Output is correct
7 Correct 5 ms 9172 KB Output is correct
8 Correct 4 ms 9172 KB Output is correct
9 Correct 4 ms 9172 KB Output is correct
10 Correct 4 ms 9156 KB Output is correct
11 Correct 4 ms 9276 KB Output is correct
12 Correct 4 ms 9172 KB Output is correct
13 Correct 4 ms 9172 KB Output is correct
14 Correct 4 ms 9172 KB Output is correct
15 Correct 4 ms 9172 KB Output is correct
16 Correct 4 ms 9172 KB Output is correct
17 Correct 5 ms 9172 KB Output is correct
18 Correct 4 ms 9172 KB Output is correct
19 Correct 6 ms 9172 KB Output is correct
20 Correct 4 ms 9172 KB Output is correct
21 Correct 5 ms 9172 KB Output is correct
22 Correct 4 ms 9172 KB Output is correct
23 Correct 4 ms 9172 KB Output is correct
24 Correct 5 ms 9172 KB Output is correct
25 Correct 5 ms 9172 KB Output is correct
26 Correct 4 ms 9300 KB Output is correct
27 Correct 4 ms 9300 KB Output is correct
28 Correct 5 ms 9172 KB Output is correct
29 Correct 4 ms 9280 KB Output is correct
30 Correct 4 ms 9172 KB Output is correct
31 Correct 4 ms 9300 KB Output is correct
32 Correct 4 ms 9300 KB Output is correct
33 Correct 5 ms 9300 KB Output is correct
34 Correct 5 ms 9312 KB Output is correct
35 Correct 5 ms 9300 KB Output is correct
36 Correct 5 ms 9300 KB Output is correct
37 Correct 6 ms 9252 KB Output is correct
38 Correct 5 ms 9300 KB Output is correct
39 Correct 5 ms 9300 KB Output is correct
40 Correct 6 ms 9320 KB Output is correct
41 Correct 6 ms 9300 KB Output is correct
42 Correct 6 ms 9300 KB Output is correct
43 Correct 5 ms 9300 KB Output is correct
44 Correct 5 ms 9300 KB Output is correct
45 Correct 5 ms 9300 KB Output is correct
46 Correct 6 ms 9300 KB Output is correct
47 Correct 5 ms 9300 KB Output is correct
48 Correct 5 ms 9300 KB Output is correct
49 Correct 5 ms 9320 KB Output is correct
50 Correct 6 ms 9300 KB Output is correct
51 Correct 5 ms 9300 KB Output is correct
52 Correct 5 ms 9300 KB Output is correct
53 Correct 6 ms 9300 KB Output is correct
54 Correct 5 ms 9300 KB Output is correct
55 Correct 53 ms 10192 KB Output is correct
56 Correct 56 ms 10144 KB Output is correct
57 Correct 58 ms 10192 KB Output is correct
58 Correct 54 ms 10132 KB Output is correct
59 Correct 57 ms 10124 KB Output is correct
60 Correct 61 ms 10140 KB Output is correct
61 Correct 67 ms 10244 KB Output is correct
62 Correct 54 ms 10180 KB Output is correct
63 Correct 52 ms 10124 KB Output is correct
64 Correct 55 ms 10248 KB Output is correct
65 Correct 53 ms 10196 KB Output is correct
66 Correct 54 ms 10188 KB Output is correct
67 Correct 55 ms 10216 KB Output is correct
68 Correct 56 ms 10124 KB Output is correct
69 Correct 51 ms 10188 KB Output is correct
70 Correct 52 ms 10212 KB Output is correct
71 Correct 52 ms 10316 KB Output is correct
72 Correct 53 ms 11204 KB Output is correct
73 Correct 51 ms 11084 KB Output is correct
74 Correct 58 ms 11184 KB Output is correct
75 Correct 58 ms 11196 KB Output is correct
76 Correct 150 ms 12492 KB Output is correct
77 Correct 150 ms 12356 KB Output is correct
78 Correct 141 ms 12408 KB Output is correct
79 Correct 147 ms 12448 KB Output is correct
80 Correct 120 ms 12392 KB Output is correct
81 Correct 121 ms 12364 KB Output is correct
82 Correct 132 ms 12396 KB Output is correct
83 Correct 128 ms 12428 KB Output is correct
84 Correct 120 ms 12360 KB Output is correct
85 Correct 213 ms 13932 KB Output is correct
86 Correct 215 ms 13848 KB Output is correct
87 Correct 216 ms 13896 KB Output is correct
88 Correct 217 ms 13844 KB Output is correct
89 Correct 216 ms 13924 KB Output is correct
90 Correct 220 ms 13844 KB Output is correct
91 Correct 219 ms 13928 KB Output is correct
92 Correct 237 ms 13992 KB Output is correct
93 Correct 227 ms 14044 KB Output is correct
94 Correct 468 ms 17260 KB Output is correct
95 Correct 476 ms 17392 KB Output is correct
96 Correct 489 ms 17456 KB Output is correct
97 Correct 464 ms 17356 KB Output is correct
98 Correct 491 ms 17316 KB Output is correct
99 Correct 466 ms 17364 KB Output is correct
100 Correct 496 ms 17548 KB Output is correct