oj.uz

Submission #1115874

# Submission time Handle Problem Language Result Execution time Memory
1115874 2024-11-21T03:03:07 Z vjudge1 Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 272 ms 322292 KB 
#include<bits/allocator.h>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,popcnt,lzcnt")
 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define int128 __int128_t
#define double long double
#define gcd __gcd
#define lcm(a, b) ((a)/gcd(a, b)*(b))
#define sqrt sqrtl
#define log2 log2l
#define log10 log10l
#define floor floorl
#define to_string str
#define yes cout << "YES"
#define no cout << "NO"
#define trav(i, a) for (auto &i: (a))
#define all(a) (a).begin(), (a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define sz(a) (int)a.size()
#define Max(a) *max_element(all(a))
#define Min(a) *min_element(all(a))
#define Find(a, n) (find(all(a), n) - a.begin())
#define Count(a, n) count(all(a), n)
#define Upper(a, n) (upper_bound(all(a), n) - a.begin())
#define Lower(a, n) (lower_bound(all(a), n) - a.begin())
#define next_perm(a) next_permutation(all(a))
#define prev_perm(a) prev_permutation(all(a))
#define sorted(a) is_sorted(all(a))
#define sum(a) accumulate(all(a), 0)
#define sumll(a) accumulate(all(a), 0ll)
#define Sort(a) sort(all(a))
#define Reverse(a) reverse(all(a))
#define Unique(a) Sort(a), (a).resize(unique(all(a)) - a.begin())
#define pb push_back
#define eb emplace_back
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll
#define clz __builtin_clz
#define clzll __buitlin_clzll
#define ctz __builtin_ctz
#define ctzll __builtin_ctzll
#define open(s) freopen(s, "r", stdin)
#define write(s) freopen(s, "w", stdout)
#define fileopen(s) open((string(s) + ".inp").c_str()), write((string(s) + ".out").c_str());
#define For(i, a, b) for (auto i = (a); i < (b); ++i)
#define Fore(i, a, b) for (auto i = (a); i >= (b); --i)
#define FOR(i, a, b) for (auto i = (a); i <= (b); ++i)
#define ret(s) return void(cout << s);
 
constexpr int mod = 1e9 + 7, mod2 = 998244353;
constexpr double eps = 1e-9;
const double PI = acos(-1);
constexpr ull npos = string::npos;
constexpr int dx[] = {1, 0, -1, 0, 1, 1, -1, -1}, dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using cd = complex<double>;
mt19937 mt(chrono::system_clock::now().time_since_epoch().count());
mt19937_64 mt64(chrono::system_clock::now().time_since_epoch().count());
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<double> vdo;
typedef vector<vdo> vvdo;
typedef vector<string> vs;
typedef vector<pii> vpair;
typedef vector<vpair> vvpair;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<cd> vcd;
typedef priority_queue<int> pq;
typedef priority_queue<int, vi, greater<int>> pqg;
typedef priority_queue<ll> pqll;
typedef priority_queue<ll, vll, greater<ll>> pqgll;
 
ll add(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;a+=b;return a >= m ? a - m: a;}
ll sub(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;a-=b;return a < 0 ? a + m: a;}
ll mul(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;return a*b % m;}
ll bin_mul(ll a, ll b, ll m) {if (a >= m) a%=m;if (b >= m) b%=m;ll x = 0;while (b) {if (b & 1) x = (x + a) % m;a = (a + a) % m;b>>=1;}return x;}
ll bin_pow(ll a, ll b, ll m) {ll x = 1;if (a >= m) a%=m; while (b) {if (b & 1) x = bin_mul(x, a, m);a = bin_mul(a, a, m);b>>=1;}return x;}
ll power(ll a, ll b, int m) {ll x = 1;if (a >= m) a%=m; while (b) {if (b & 1) x = x*a % m;a = a*a % m;b>>=1;}return x;}
ll power(ll a, ll b) {ll x = 1;while (b) {if (b & 1) x = x*a;a = a*a;b>>=1;}return x;}
ll ceil(ll a, ll b) {return (a + b - 1)/b;}
ll to_int(const string &s) {ll x = 0; for (int i = (s[0] == '-'); i < sz(s); ++i) x = x*10 + s[i] - '0';return x*(s[0] == '-' ? -1: 1);}
bool is_prime(ll n) {if (n < 2) return 0;if (n < 4) return 1;if (n % 2 == 0 || n % 3 == 0) return 0;for (ll i = 5; i*i <= n; i+=6) {if(n % i == 0 || n % (i + 2) == 0) return 0;}return 1;}
bool is_square(ll n) {ll k = sqrt(n); return k*k == n;}
ll factorial(int n) {ll x = 1;for (int i = 2; i <= n; ++i) x*=i;return x;}
ll factorial(int n, int m) {ll x = 1;for (ll i = 2; i <= n; ++i) x = x*i % m;return x;}
bool is_power(ll n, ll k) {while (n % k == 0) n/=k;return n == 1ll;}
string str(ll n) {if (n == 0) return "0"; string s = ""; bool c = 0; if (n < 0) c = 1, n = -n; while (n) {s+=n % 10 + '0'; n/=10;} if (c) s+='-'; Reverse(s); return s;}
string repeat(const string &s, int n) {if (n < 0) return ""; string x = ""; while (n--) x+=s; return x;}
string bin(ll n) {string s = ""; while (n) {s+=(n & 1) + '0'; n>>=1;} Reverse(s); return s;}
void sieve(vector<bool> &a) {int n = a.size(); a[0] = a[1] = 0; for (int i = 4; i < n; i+=2) a[i] = 0; for (int i = 3; i*i < n; i+=2) {if (a[i]) {for (int j = i*i; j < n; j+=(i << 1)) a[j] = 0;}}}
void sieve(bool a[], int n) {a[0] = a[1] = 0; for (int i = 4; i < n; i+=2) a[i] = 0; for (int i = 3; i*i < n; i+=2) {if (a[i]) {for (int j = i*i; j < n; j+=(i << 1)) a[j] = 0;}}}
void sieve(vector<int> &a) {int n = a.size(); for (int i = 2; i < n; i+=2) a[i] = 2; for (int i = 3; i*i < n; i+=2) {if (!a[i]) {for (int j = i; j < n; j+=(i << 1)) a[j] = i;}} for (int i = 3; i < n; i+=2) {if (!a[i]) a[i] = i;}}
void sieve(int a[], int n) {for (int i = 2; i < n; i+=2) a[i] = 2; for (int i = 3; i*i < n; i+=2) {if (!a[i]) {for (int j = i; j < n; j+=(i << 1)) a[j] = i;}} for (int i = 3; i < n; i+=2) {if (!a[i]) a[i] = i;}}
vector<pii> factorize(int n) {vector<pii> a; for (int i = 2; i*i <= n; ++i) {if (n % i == 0) {int k = 0; while (n % i == 0) ++k, n/=i; a.emplace_back(i, k);}} if (n > 1) a.emplace_back(n, 1); return a;}
int rand(int l, int r) {return uniform_int_distribution<int>(l, r)(mt);}
ll rand(ll l, ll r) {return uniform_int_distribution<ll>(l, r)(mt64);}
int Log2(int n) {return 31 - __builtin_clz(n);}
ll Log2(ll n) {return 63 - __builtin_clzll(n);}
template<class T> void compress(vector<T> &a) {vector<T> b; for (T &i: a) b.push_back(i); sort(all(b)); b.resize(unique(all(b)) - b.begin()); for (T &i: a) i = lower_bound(all(b), i) - b.begin() + 1;}
template<class A, class B> bool ckmin(A &a, const B &b) {return a > b ? a = b, 1: 0;}
template<class A, class B> bool ckmax(A &a, const B &b) {return a < b ? a = b, 1: 0;}
 
template<class A, class B> istream& operator>>(istream& in, pair<A, B> &p) {in >> p.first >> p.second; return in;}
template<class A, class B> ostream& operator<<(ostream& out, const pair<A, B> &p) {out << p.first << ' ' << p.second; return out;}
template<class T> istream& operator>>(istream& in, vector<T> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const vector<T> &a) {for (auto &i: a) out << i << ' '; return out;}
template<class T> istream& operator>>(istream& in, vector<vector<T>> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const vector<vector<T>> &a) {for (auto &i: a) out << i << '\n'; return out;}
template<class T> istream& operator>>(istream& in, deque<T> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const deque<T> &a) {for (auto &i: a) out << i << ' '; return out;}
// istream& operator>>(istream& in, __int128_t &a) {string s; in >> s; a = 0; for (auto &i: s) a = a*10 + (i - '0'); return in;}
// ostream& operator<<(ostream& out, __int128_t a) {string s = ""; if (a < 0) s+='-', a = -a; if (a == 0) s+='0'; while (a > 0) {s+=(int)(a % 10) + '0'; a/=10;} Reverse(s); out << s; return out;}
 
constexpr int N = 50000;
int n, k;
bitset<N> g[N], h;
int main() {
    ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
    cout << fixed << setprecision(10);
    cin >> n >> k;
    For(i,0,n){
        int t; cin >> t;
        while (t--) {
            int j; cin >> j;
            if (i < j) g[i][j] = 1;
        }
    }
    vvi a;
    For(i,0,n) a.pb({i});
    FOR(s,2,k){
        vvi b;
        trav(c,a){
            h = g[c[0]];
            For(i,1,sz(c)) h&=g[c[i]];
            for (int u = h._Find_first(); u < N; u = h._Find_next(u)) {
                b.pb(c); b.back().pb(u);
            }
        }
        a.swap(b);
        if (a.empty()) return cout << s - 1, 0;
    }
    cout << k;
    cerr << "\nProcess returned 0 (0x0)   execution time :  " << 0.001*clock() << " s";
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 7 ms 31824 KB Output is correct
4 Correct 5 ms 11344 KB Output is correct
5 Correct 5 ms 13392 KB Output is correct
6 Correct 7 ms 31824 KB Output is correct
7 Correct 7 ms 31824 KB Output is correct
8 Correct 3 ms 1028 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 4 ms 2896 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 7 ms 31824 KB Output is correct
4 Correct 5 ms 11344 KB Output is correct
5 Correct 5 ms 13392 KB Output is correct
6 Correct 7 ms 31824 KB Output is correct
7 Correct 7 ms 31824 KB Output is correct
8 Correct 3 ms 1028 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 4 ms 2896 KB Output is correct
11 Correct 5 ms 9296 KB Output is correct
12 Correct 6 ms 11344 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 10 ms 19536 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 11 ms 31824 KB Output is correct
17 Correct 1 ms 500 KB Output is correct
18 Correct 10 ms 31824 KB Output is correct
19 Correct 3 ms 848 KB Output is correct
20 Correct 9 ms 31620 KB Output is correct
21 Correct 9 ms 31568 KB Output is correct
22 Correct 3 ms 2896 KB Output is correct
23 Correct 12 ms 31824 KB Output is correct
24 Correct 4 ms 2896 KB Output is correct
25 Correct 13 ms 31824 KB Output is correct
26 Correct 11 ms 31748 KB Output is correct
27 Correct 11 ms 31824 KB Output is correct
28 Correct 10 ms 31824 KB Output is correct
29 Correct 10 ms 31824 KB Output is correct
30 Correct 10 ms 31824 KB Output is correct
31 Correct 12 ms 31848 KB Output is correct
32 Correct 13 ms 31996 KB Output is correct
33 Correct 14 ms 31824 KB Output is correct
34 Correct 12 ms 31876 KB Output is correct
35 Correct 6 ms 17400 KB Output is correct
36 Correct 6 ms 17256 KB Output is correct
37 Correct 6 ms 17232 KB Output is correct
38 Correct 6 ms 8784 KB Output is correct
39 Correct 4 ms 9124 KB Output is correct
40 Correct 14 ms 32188 KB Output is correct
41 Correct 4 ms 8784 KB Output is correct
42 Correct 14 ms 32140 KB Output is correct
43 Correct 13 ms 32140 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 848 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 504 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 265 ms 301556 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 272 ms 301604 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 271 ms 303940 KB Output is correct
16 Correct 269 ms 319312 KB Output is correct
17 Correct 266 ms 322292 KB Output is correct
18 Correct 256 ms 322292 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 7 ms 31824 KB Output is correct
4 Correct 5 ms 11344 KB Output is correct
5 Correct 5 ms 13392 KB Output is correct
6 Correct 7 ms 31824 KB Output is correct
7 Correct 7 ms 31824 KB Output is correct
8 Correct 3 ms 1028 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 4 ms 2896 KB Output is correct
11 Correct 5 ms 9296 KB Output is correct
12 Correct 6 ms 11344 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 10 ms 19536 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 11 ms 31824 KB Output is correct
17 Correct 1 ms 500 KB Output is correct
18 Correct 10 ms 31824 KB Output is correct
19 Correct 3 ms 848 KB Output is correct
20 Correct 9 ms 31620 KB Output is correct
21 Correct 9 ms 31568 KB Output is correct
22 Correct 3 ms 2896 KB Output is correct
23 Correct 12 ms 31824 KB Output is correct
24 Correct 4 ms 2896 KB Output is correct
25 Correct 13 ms 31824 KB Output is correct
26 Correct 11 ms 31748 KB Output is correct
27 Correct 11 ms 31824 KB Output is correct
28 Correct 10 ms 31824 KB Output is correct
29 Correct 10 ms 31824 KB Output is correct
30 Correct 10 ms 31824 KB Output is correct
31 Correct 12 ms 31848 KB Output is correct
32 Correct 13 ms 31996 KB Output is correct
33 Correct 14 ms 31824 KB Output is correct
34 Correct 12 ms 31876 KB Output is correct
35 Correct 6 ms 17400 KB Output is correct
36 Correct 6 ms 17256 KB Output is correct
37 Correct 6 ms 17232 KB Output is correct
38 Correct 6 ms 8784 KB Output is correct
39 Correct 4 ms 9124 KB Output is correct
40 Correct 14 ms 32188 KB Output is correct
41 Correct 4 ms 8784 KB Output is correct
42 Correct 14 ms 32140 KB Output is correct
43 Correct 13 ms 32140 KB Output is correct
44 Correct 266 ms 42164 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 20 ms 32140 KB Output is correct
47 Correct 19 ms 32908 KB Output is correct
48 Correct 13 ms 32140 KB Output is correct
49 Correct 20 ms 32908 KB Output is correct
50 Correct 19 ms 32908 KB Output is correct
51 Correct 35 ms 34056 KB Output is correct
52 Correct 4 ms 3152 KB Output is correct
53 Correct 32 ms 34228 KB Output is correct
54 Correct 45 ms 34056 KB Output is correct
55 Correct 10 ms 31824 KB Output is correct
56 Correct 4 ms 3152 KB Output is correct
57 Correct 3 ms 848 KB Output is correct
58 Correct 31 ms 29960 KB Output is correct
59 Correct 27 ms 32732 KB Output is correct
60 Correct 10 ms 31824 KB Output is correct
61 Correct 26 ms 32532 KB Output is correct
62 Correct 27 ms 32580 KB Output is correct
63 Correct 236 ms 42044 KB Output is correct
64 Correct 136 ms 36792 KB Output is correct
65 Correct 14 ms 32080 KB Output is correct
66 Correct 28 ms 32532 KB Output is correct
67 Correct 75 ms 34136 KB Output is correct
68 Correct 131 ms 36780 KB Output is correct
69 Correct 13 ms 32080 KB Output is correct
70 Correct 26 ms 32908 KB Output is correct
71 Correct 77 ms 34072 KB Output is correct
72 Correct 48 ms 33160 KB Output is correct
73 Correct 10 ms 31824 KB Output is correct
74 Correct 27 ms 32908 KB Output is correct
75 Correct 50 ms 33240 KB Output is correct
76 Correct 18 ms 32368 KB Output is correct
77 Correct 27 ms 33032 KB Output is correct
78 Correct 9 ms 31824 KB Output is correct
79 Correct 13 ms 17804 KB Output is correct
80 Correct 17 ms 32140 KB Output is correct
81 Correct 25 ms 33032 KB Output is correct
82 Correct 3 ms 8784 KB Output is correct
83 Correct 12 ms 17804 KB Output is correct
84 Correct 24 ms 32908 KB Output is correct
85 Correct 4 ms 8784 KB Output is correct
86 Correct 22 ms 32908 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 7 ms 31824 KB Output is correct
4 Correct 5 ms 11344 KB Output is correct
5 Correct 5 ms 13392 KB Output is correct
6 Correct 7 ms 31824 KB Output is correct
7 Correct 7 ms 31824 KB Output is correct
8 Correct 3 ms 1028 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 4 ms 2896 KB Output is correct
11 Correct 5 ms 9296 KB Output is correct
12 Correct 6 ms 11344 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 10 ms 19536 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 11 ms 31824 KB Output is correct
17 Correct 1 ms 500 KB Output is correct
18 Correct 10 ms 31824 KB Output is correct
19 Correct 3 ms 848 KB Output is correct
20 Correct 9 ms 31620 KB Output is correct
21 Correct 9 ms 31568 KB Output is correct
22 Correct 3 ms 2896 KB Output is correct
23 Correct 12 ms 31824 KB Output is correct
24 Correct 4 ms 2896 KB Output is correct
25 Correct 13 ms 31824 KB Output is correct
26 Correct 11 ms 31748 KB Output is correct
27 Correct 11 ms 31824 KB Output is correct
28 Correct 10 ms 31824 KB Output is correct
29 Correct 10 ms 31824 KB Output is correct
30 Correct 10 ms 31824 KB Output is correct
31 Correct 12 ms 31848 KB Output is correct
32 Correct 13 ms 31996 KB Output is correct
33 Correct 14 ms 31824 KB Output is correct
34 Correct 12 ms 31876 KB Output is correct
35 Correct 6 ms 17400 KB Output is correct
36 Correct 6 ms 17256 KB Output is correct
37 Correct 6 ms 17232 KB Output is correct
38 Correct 6 ms 8784 KB Output is correct
39 Correct 4 ms 9124 KB Output is correct
40 Correct 14 ms 32188 KB Output is correct
41 Correct 4 ms 8784 KB Output is correct
42 Correct 14 ms 32140 KB Output is correct
43 Correct 13 ms 32140 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 212 ms 280732 KB Output is correct
46 Correct 155 ms 266304 KB Output is correct
47 Correct 210 ms 279412 KB Output is correct
48 Correct 197 ms 286456 KB Output is correct
49 Correct 54 ms 199292 KB Output is correct
50 Correct 212 ms 293608 KB Output is correct
51 Correct 196 ms 282872 KB Output is correct
52 Correct 104 ms 276988 KB Output is correct
53 Correct 57 ms 215560 KB Output is correct
54 Correct 22 ms 3588 KB Output is correct
55 Correct 221 ms 309912 KB Output is correct
56 Correct 87 ms 290300 KB Output is correct
57 Correct 100 ms 291836 KB Output is correct
58 Correct 200 ms 298500 KB Output is correct
59 Correct 84 ms 310536 KB Output is correct
60 Correct 82 ms 310524 KB Output is correct
61 Correct 204 ms 308220 KB Output is correct
62 Correct 127 ms 305828 KB Output is correct
63 Correct 148 ms 307964 KB Output is correct
64 Correct 86 ms 308356 KB Output is correct
65 Correct 182 ms 313080 KB Output is correct
66 Correct 124 ms 310012 KB Output is correct
67 Correct 142 ms 312028 KB Output is correct
68 Correct 161 ms 310776 KB Output is correct
69 Correct 176 ms 315128 KB Output is correct
70 Correct 105 ms 310012 KB Output is correct
71 Correct 160 ms 308728 KB Output is correct
72 Correct 128 ms 305916 KB Output is correct
73 Correct 164 ms 310008 KB Output is correct
74 Correct 103 ms 303880 KB Output is correct
75 Correct 71 ms 158460 KB Output is correct
76 Correct 130 ms 293372 KB Output is correct
77 Correct 166 ms 311952 KB Output is correct
78 Correct 82 ms 159328 KB Output is correct
79 Correct 70 ms 156412 KB Output is correct
80 Correct 35 ms 78476 KB Output is correct
81 Correct 87 ms 159228 KB Output is correct
82 Correct 153 ms 281416 KB Output is correct
83 Correct 34 ms 80636 KB Output is correct
84 Correct 162 ms 281340 KB Output is correct