oj.uz

Submission #589352

# Submission time Handle Problem Language Result Execution time Memory
589352 2022-07-04T13:43:23 Z MohammadAghil Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 225 ms 7304 KB 
      #include <bits/stdc++.h>
  #pragma GCC optimize ("Ofast,unroll-loops")
#pragma GCC target ("avx2")
    using namespace std;
  typedef long long ll;
   typedef pair<ll, int> pp;
    #define er(args ...) cerr << __LINE__ << ": ", err(new istringstream(string(#args)), args), cerr << endl
      #define per(i,r,l) for(int i = (r); i >= (l); i--)
        #define rep(i,l,r) for(int i = (l); i < (r); i++)
           #define all(x) begin(x), end(x)
              #define sz(x) (int)(x).size()
                  #define pb push_back
                      #define ss second
                           #define ff first
                                   void err(istringstream *iss){}template<typename T,typename ...Args> void err(istringstream *iss,const T &_val, const Args&...args){string _name;*iss>>_name;if(_name.back()==',')_name.pop_back();cerr<<_name<<" = "<<_val<<", ",err(iss,args...);}
void IOS(){
     cin.tie(0) -> sync_with_stdio(0);
     // #ifndef ONLINE_JUDGE
     //      freopen("in.in", "r", stdin);
     //      freopen("out.out", "w", stdout);
     // #endif
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const ll mod = 998244353, maxn = 5e4 + 5, maxk = 11, lg = 35, inf = ll(1e18) + 5;
ll pw(ll a,ll b,ll md=mod){if(!b)return 1;ll k=pw(a,b>>1ll);return k*k%md*(b&1ll?a:1)%md;}

vector<int> adj[maxn];
vector<int> mask[maxk][maxk];
int cnt[maxn];

bool chk(int x, vector<int> cand){
     int n = sz(cand);
     vector<int> adj(n);
     rep(i,0,n) {
          adj[i] ^= 1<<i;
          rep(j,0,i){
               auto it = lower_bound(all(::adj[cand[i]]), cand[j]);
               if(it != end(::adj[i]) && *it == cand[j]) adj[i] ^= 1<<j, adj[j] ^= 1<<i;
          }
     }
     for(int m: mask[n][x]){
          bool ok = true;
          rep(i,0,n) if((m>>i&1) && (adj[i]&m) != m) {
               ok = false;
               break;
          } 
          if(ok) return true;
     }
     return false;
}

int main(){ IOS();
     int n, k, ans = 1; cin >> n >> k;
     set<pp> s;
     rep(i,0,n){
          int d; cin >> d;
          s.insert({cnt[i] = d, i});
          adj[i].resize(d);
          rep(j,0,d) cin >> adj[i][j];
          sort(all(adj[i]));
     }
     rep(i,0,k+1){
          rep(j,0,1<<i) mask[i][__builtin_popcount(j)].pb(j);
     }
     while(sz(s)){
          int r = s.begin()->ss;
          s.erase(begin(s)), cnt[r] = -1;
          vector<int> ad{r};
          for(int c: adj[r]) if(cnt[c] > 0){
               ad.pb(c);
               s.erase(pp(cnt[c], c));
               s.insert({--cnt[c], c});
          }
          // er(r);
          // for(int c: ad) cerr << c << ' '; cerr << endl;
          while(ans < sz(ad) && chk(ans+1, ad)) ans++;
     }
     cout << ans << '\n';
     return 0;  
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1504 KB Output is correct
3 Correct 5 ms 2032 KB Output is correct
4 Correct 4 ms 2004 KB Output is correct
5 Correct 5 ms 2072 KB Output is correct
6 Correct 5 ms 2032 KB Output is correct
7 Correct 5 ms 2004 KB Output is correct
8 Correct 3 ms 1772 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1768 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1504 KB Output is correct
3 Correct 5 ms 2032 KB Output is correct
4 Correct 4 ms 2004 KB Output is correct
5 Correct 5 ms 2072 KB Output is correct
6 Correct 5 ms 2032 KB Output is correct
7 Correct 5 ms 2004 KB Output is correct
8 Correct 3 ms 1772 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1768 KB Output is correct
11 Correct 4 ms 2004 KB Output is correct
12 Correct 4 ms 2004 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 4 ms 2004 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 5 ms 2004 KB Output is correct
17 Correct 1 ms 1512 KB Output is correct
18 Correct 4 ms 2004 KB Output is correct
19 Correct 3 ms 1768 KB Output is correct
20 Correct 3 ms 2032 KB Output is correct
21 Correct 3 ms 2032 KB Output is correct
22 Correct 3 ms 1748 KB Output is correct
23 Correct 6 ms 2032 KB Output is correct
24 Correct 2 ms 1748 KB Output is correct
25 Correct 7 ms 2068 KB Output is correct
26 Correct 6 ms 2004 KB Output is correct
27 Correct 5 ms 2004 KB Output is correct
28 Correct 5 ms 2004 KB Output is correct
29 Correct 4 ms 2028 KB Output is correct
30 Correct 5 ms 2004 KB Output is correct
31 Correct 6 ms 2056 KB Output is correct
32 Correct 5 ms 2032 KB Output is correct
33 Correct 6 ms 2024 KB Output is correct
34 Correct 6 ms 2004 KB Output is correct
35 Correct 3 ms 1748 KB Output is correct
36 Correct 3 ms 1748 KB Output is correct
37 Correct 3 ms 1748 KB Output is correct
38 Correct 3 ms 1652 KB Output is correct
39 Correct 3 ms 1620 KB Output is correct
40 Correct 9 ms 2004 KB Output is correct
41 Correct 4 ms 1748 KB Output is correct
42 Correct 8 ms 2112 KB Output is correct
43 Correct 8 ms 2112 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1748 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 1 ms 1504 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 206 ms 7304 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 212 ms 7236 KB Output is correct
14 Correct 1 ms 1492 KB Output is correct
15 Correct 200 ms 7212 KB Output is correct
16 Correct 225 ms 7304 KB Output is correct
17 Correct 205 ms 7220 KB Output is correct
18 Correct 213 ms 7288 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1504 KB Output is correct
3 Correct 5 ms 2032 KB Output is correct
4 Correct 4 ms 2004 KB Output is correct
5 Correct 5 ms 2072 KB Output is correct
6 Correct 5 ms 2032 KB Output is correct
7 Correct 5 ms 2004 KB Output is correct
8 Correct 3 ms 1772 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1768 KB Output is correct
11 Correct 4 ms 2004 KB Output is correct
12 Correct 4 ms 2004 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 4 ms 2004 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 5 ms 2004 KB Output is correct
17 Correct 1 ms 1512 KB Output is correct
18 Correct 4 ms 2004 KB Output is correct
19 Correct 3 ms 1768 KB Output is correct
20 Correct 3 ms 2032 KB Output is correct
21 Correct 3 ms 2032 KB Output is correct
22 Correct 3 ms 1748 KB Output is correct
23 Correct 6 ms 2032 KB Output is correct
24 Correct 2 ms 1748 KB Output is correct
25 Correct 7 ms 2068 KB Output is correct
26 Correct 6 ms 2004 KB Output is correct
27 Correct 5 ms 2004 KB Output is correct
28 Correct 5 ms 2004 KB Output is correct
29 Correct 4 ms 2028 KB Output is correct
30 Correct 5 ms 2004 KB Output is correct
31 Correct 6 ms 2056 KB Output is correct
32 Correct 5 ms 2032 KB Output is correct
33 Correct 6 ms 2024 KB Output is correct
34 Correct 6 ms 2004 KB Output is correct
35 Correct 3 ms 1748 KB Output is correct
36 Correct 3 ms 1748 KB Output is correct
37 Correct 3 ms 1748 KB Output is correct
38 Correct 3 ms 1652 KB Output is correct
39 Correct 3 ms 1620 KB Output is correct
40 Correct 9 ms 2004 KB Output is correct
41 Correct 4 ms 1748 KB Output is correct
42 Correct 8 ms 2112 KB Output is correct
43 Correct 8 ms 2112 KB Output is correct
44 Correct 12 ms 2156 KB Output is correct
45 Correct 1 ms 1516 KB Output is correct
46 Correct 10 ms 2112 KB Output is correct
47 Correct 17 ms 2132 KB Output is correct
48 Correct 8 ms 2004 KB Output is correct
49 Correct 15 ms 2128 KB Output is correct
50 Correct 15 ms 2124 KB Output is correct
51 Correct 33 ms 2348 KB Output is correct
52 Correct 4 ms 2004 KB Output is correct
53 Correct 25 ms 2364 KB Output is correct
54 Correct 38 ms 2376 KB Output is correct
55 Correct 6 ms 2004 KB Output is correct
56 Correct 5 ms 2028 KB Output is correct
57 Correct 2 ms 1748 KB Output is correct
58 Correct 34 ms 2260 KB Output is correct
59 Correct 6 ms 2004 KB Output is correct
60 Correct 5 ms 2004 KB Output is correct
61 Correct 6 ms 2004 KB Output is correct
62 Correct 6 ms 2004 KB Output is correct
63 Correct 10 ms 2208 KB Output is correct
64 Correct 9 ms 2132 KB Output is correct
65 Correct 9 ms 2004 KB Output is correct
66 Correct 6 ms 2004 KB Output is correct
67 Correct 18 ms 2112 KB Output is correct
68 Correct 9 ms 2156 KB Output is correct
69 Correct 8 ms 2004 KB Output is correct
70 Correct 13 ms 2108 KB Output is correct
71 Correct 17 ms 2140 KB Output is correct
72 Correct 17 ms 2164 KB Output is correct
73 Correct 5 ms 2004 KB Output is correct
74 Correct 16 ms 2192 KB Output is correct
75 Correct 16 ms 2232 KB Output is correct
76 Correct 11 ms 2092 KB Output is correct
77 Correct 21 ms 2264 KB Output is correct
78 Correct 5 ms 2028 KB Output is correct
79 Correct 10 ms 1960 KB Output is correct
80 Correct 9 ms 2132 KB Output is correct
81 Correct 22 ms 2260 KB Output is correct
82 Correct 3 ms 1620 KB Output is correct
83 Correct 10 ms 1876 KB Output is correct
84 Correct 15 ms 2132 KB Output is correct
85 Correct 3 ms 1620 KB Output is correct
86 Correct 15 ms 2168 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1504 KB Output is correct
3 Correct 5 ms 2032 KB Output is correct
4 Correct 4 ms 2004 KB Output is correct
5 Correct 5 ms 2072 KB Output is correct
6 Correct 5 ms 2032 KB Output is correct
7 Correct 5 ms 2004 KB Output is correct
8 Correct 3 ms 1772 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1768 KB Output is correct
11 Correct 4 ms 2004 KB Output is correct
12 Correct 4 ms 2004 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 4 ms 2004 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 5 ms 2004 KB Output is correct
17 Correct 1 ms 1512 KB Output is correct
18 Correct 4 ms 2004 KB Output is correct
19 Correct 3 ms 1768 KB Output is correct
20 Correct 3 ms 2032 KB Output is correct
21 Correct 3 ms 2032 KB Output is correct
22 Correct 3 ms 1748 KB Output is correct
23 Correct 6 ms 2032 KB Output is correct
24 Correct 2 ms 1748 KB Output is correct
25 Correct 7 ms 2068 KB Output is correct
26 Correct 6 ms 2004 KB Output is correct
27 Correct 5 ms 2004 KB Output is correct
28 Correct 5 ms 2004 KB Output is correct
29 Correct 4 ms 2028 KB Output is correct
30 Correct 5 ms 2004 KB Output is correct
31 Correct 6 ms 2056 KB Output is correct
32 Correct 5 ms 2032 KB Output is correct
33 Correct 6 ms 2024 KB Output is correct
34 Correct 6 ms 2004 KB Output is correct
35 Correct 3 ms 1748 KB Output is correct
36 Correct 3 ms 1748 KB Output is correct
37 Correct 3 ms 1748 KB Output is correct
38 Correct 3 ms 1652 KB Output is correct
39 Correct 3 ms 1620 KB Output is correct
40 Correct 9 ms 2004 KB Output is correct
41 Correct 4 ms 1748 KB Output is correct
42 Correct 8 ms 2112 KB Output is correct
43 Correct 8 ms 2112 KB Output is correct
44 Correct 1 ms 1492 KB Output is correct
45 Correct 151 ms 6864 KB Output is correct
46 Correct 56 ms 6600 KB Output is correct
47 Correct 145 ms 6968 KB Output is correct
48 Correct 150 ms 6864 KB Output is correct
49 Correct 45 ms 6608 KB Output is correct
50 Correct 144 ms 7304 KB Output is correct
51 Correct 138 ms 6824 KB Output is correct
52 Correct 44 ms 6608 KB Output is correct
53 Correct 42 ms 6588 KB Output is correct
54 Correct 14 ms 4924 KB Output is correct
55 Correct 145 ms 7244 KB Output is correct
56 Correct 33 ms 6512 KB Output is correct
57 Correct 47 ms 6700 KB Output is correct
58 Correct 51 ms 6492 KB Output is correct
59 Correct 36 ms 6540 KB Output is correct
60 Correct 32 ms 6484 KB Output is correct
61 Correct 52 ms 6520 KB Output is correct
62 Correct 46 ms 6480 KB Output is correct
63 Correct 98 ms 6452 KB Output is correct
64 Correct 34 ms 6460 KB Output is correct
65 Correct 110 ms 6656 KB Output is correct
66 Correct 46 ms 6516 KB Output is correct
67 Correct 83 ms 6476 KB Output is correct
68 Correct 95 ms 6612 KB Output is correct
69 Correct 98 ms 6536 KB Output is correct
70 Correct 46 ms 6500 KB Output is correct
71 Correct 105 ms 6608 KB Output is correct
72 Correct 68 ms 6644 KB Output is correct
73 Correct 115 ms 6556 KB Output is correct
74 Correct 46 ms 6500 KB Output is correct
75 Correct 41 ms 4072 KB Output is correct
76 Correct 81 ms 6644 KB Output is correct
77 Correct 123 ms 6676 KB Output is correct
78 Correct 53 ms 4116 KB Output is correct
79 Correct 45 ms 4076 KB Output is correct
80 Correct 20 ms 2900 KB Output is correct
81 Correct 53 ms 4128 KB Output is correct
82 Correct 114 ms 6400 KB Output is correct
83 Correct 19 ms 2900 KB Output is correct
84 Correct 117 ms 6504 KB Output is correct