oj.uz

Submission #679248

# Submission time Handle Problem Language Result Execution time Memory
679248 2023-01-07T23:08:58 Z Joshua_Andersson Political Development (BOI17_politicaldevelopment) C++14
39 / 100
 565 ms 25796 KB 
#undef _GLIBCXX_DEBUG                // disable run-time bound checking, etc
#pragma GCC optimize("Ofast,inline") // Ofast = O3,fast-math,allow-store-data-races,no-protect-parens
#pragma GCC optimize ("unroll-loops")

#pragma GCC target("bmi,bmi2,lzcnt,popcnt")                      // bit manipulation
#pragma GCC target("movbe")                                      // byte swap
#pragma GCC target("aes,pclmul,rdrnd")                           // encryption
#pragma GCC target("avx,avx2,f16c,fma,sse3,ssse3,sse4.1,sse4.2") // SIMD

#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace std;

#define enablell 1

typedef long long ll;
typedef unsigned long long ull;
#if enablell
#define int ll
#define inf int(1e18)
#define float double
#else
const int inf = int(2e9);
#endif
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<vvvi> vvvvi;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<vvb> vvvb;
typedef pair<int, int> p2;
typedef vector<p2> vp2;
typedef vector<vp2> vvp2;
typedef vector<vvp2> vvvp2;
typedef tuple<int, int, int> p3;
typedef vector<p3> vp3;
typedef vector<vp3> vvp3;
typedef vector<vvp3> vvvp3;
typedef tuple<int, int, int, int> p4;
typedef vector<p4> vp4;

#define PBDS 0
#define _LOCAL _MSC_VER > 0
#if _LOCAL
#define gc() getchar()
#define popcount(x) __popcnt(x)
#define leading_zeros(x) _lzcnt_u32(x)
uint32_t clz(uint32_t x) { return _lzcnt_u32(x); }
uint32_t ctz(uint32_t x) { return _tzcnt_u32(x); }
#define bswap64(x) _byteswap_uint64(x)
#define assert(x) debassert(x)
#else
#define popcount(x) __builtin_popcount(x)
uint32_t clz(uint32_t x) { return __builtin_clz(x); }
uint32_t ctz(uint32_t x) { return __builtin_ctzll(x); }
#define bswap64(x) __builtin_bswap64(x)
#define gc() getchar_unlocked()
#if PBDS
using namespace __gnu_pbds;
// lower_bound is now upper_bound and vice versa (multiset). generally a bit broken
template<typename T> using indexed_multiset = tree<int, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T> using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
struct chash { // large odd number for C
    const uint64_t C = ll(4e18 * acos(0)) | 71;
    ll operator()(ll x) const { return __builtin_bswap64(x * C); }
};

template<typename T, typename U> using fast_map = __gnu_pbds::gp_hash_table<T, U, chash>;
template<typename T> using fast_set = __gnu_pbds::gp_hash_table<T, null_type, chash>;
template<typename T, typename H> using fast_set_h = __gnu_pbds::gp_hash_table<T, null_type, H>;
#endif

#endif

#define FAST_INPUT 0
#define FILE_TC 0
#if FILE_TC && _LOCAL
//ifstream filein("C:\\Users\\Matis\\source\\repos\\Comp prog\\x64\\Debug\\in.txt");
ifstream filein("E:\\downloads\\test_data\\test_data\\005-case05.in");
//ifstream filein("E:\\desktop\\po-repos\\swedish-olympiad-2023\\online\\tomtplanering\\data\\secret\\group10\\010-case10.in");

#define cin filein
//ifstream cin("C:\\Users\\Matis\\desktop\\po-two\\swedish-olympiad-2014\\");
void fast() {}
#else
inline void fast() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); }
#endif

#if FAST_INPUT && !FILE_TC
inline void read(int& v) { v = 0; int sign = 1; char c = gc(); if (c == '-') { sign = -1; } else { v += c - '0'; } while ((c = gc()) != EOF && c != ' ' && c != '\n') { v *= 10; v += c - '0'; } v *= sign; }
inline void read(int& u, int& v) { read(u); read(v); }
inline void read(int& u, int& v, int& k) { read(u); read(v); read(k); }
//inline void read(int& v) { char c; while ((c = getchar()) != EOF && c != ' ' && c != '\n') { v *= 10; v += c - '0'; } }
inline void read(string& s) { char c; while ((c = gc()) != EOF && c != '\n' && c != ' ') { s.push_back(c); } }
#else
template <typename T> inline void read(T& a) { cin >> a; }
template <typename T> inline void read(T& a, T& b) { cin >> a >> b; }
template <typename T> inline void read(T& a, T& b, T& c) { cin >> a >> b >> c; }
#endif
template <typename T> inline void write(T a) { cout << (a) << "\n"; }
#define quit cout << endl; _Exit(0);
#define dread(type, a) type a; read(a)
#define dread2(type, a, b) dread(type, a); dread(type, b)
#define dread3(type, a, b, c) dread2(type, a, b); dread(type, c)
#define dread4(type, a, b, c, d) dread3(type, a, b, c); dread(type, d)
#define dread5(type, a, b, c, d, e) dread4(type, a, b, c, d); dread(type, e)
#define readvector(type, name, size) vector<type> name(size); rep(i,size) {dread(type,temp); name[i]=temp;}
#ifdef _DEBUG
#define noop cout << "";
#define deb __debugbreak();
#define debassert(expr) if (!(expr)) deb;
#define debif(expr) if(expr) deb;
#else
#define noop ;
#define deb ;
#define debassert(expr) ;
#define debif(expr) ;
#endif

#define rep(i, high) for (int i = 0; i < high; i++)
#define repp(i, low, high) for (int i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define per(i, high) for (int i = high-1; i >= 0; i--)
#define perr(i, low, high) for (int i = high-1; i >= low; i--)

#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define setcontains(set, x) (set.find(x) != set.end())
#define within(a, b, c, d) (a >= 0 && a < b && c >= 0 && c < d)
#define sz(container) ((int)container.size())
#define mp(a,b) (make_pair(a,b))

#define ceildiv(x,y) ((x + y - 1) / y)

template<typename T> inline void eraseOne(multiset<T>& mSet, T k) { auto itr = mSet.find(k); if (itr != mSet.end()) { mSet.erase(itr); } }
template<typename T, typename U> inline T first(U& a) { return *begin(a); }
template <typename T, typename U> inline void operator+=(pair<T, U>& l, const pair<T, U>& r) { l = { l.first + r.first,l.second + r.second }; }
template <typename T, typename U> inline pair<T, U> operator+(const pair<T, U> l, const pair<T, U> r) { return { l.first + r.first, l.second + r.second }; }
template <typename T, typename U> inline pair<T, U> operator-(const pair<T, U> l, const pair<T, U> r) { return { l.first - r.first, l.second - r.second }; }
template <typename T, typename U> inline pair<T, U> operator*(const pair<T, U> l, const int m) { return { l.first * m, l.second * m }; }
template <typename Out> inline void split(const string& s, char delim, Out result) { istringstream iss(s); string item; while (getline(iss, item, delim)) { *result++ = item; } }
inline vector<string> split(const string& s, char delim) { vector<string> elems; split(s, delim, back_inserter(elems)); return elems; }
vector<string> split(string s, string d) { size_t k = 0, n, e = d.length(); string t; vector<string> r; while ((n = s.find(d, k)) != string::npos) { t = s.substr(k, n - k); k = n + e; r.push_back(t); } r.push_back(s.substr(k)); return r; }
ll binpow(ll a, ll b) { ll res = 1; while (b > 0) { if (b & 1) res = res * a; a = a * a; b >>= 1; } return res; }
ll binpow(ll a, ll b, ll m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } // For a < 2^31

#if 1
auto Start = chrono::high_resolution_clock::now();
void resettimer() { Start = chrono::high_resolution_clock::now(); }
int elapsedmillis() { return chrono::duration_cast<chrono::milliseconds>(chrono::high_resolution_clock::now() - Start).count(); }
random_device rd;
mt19937 rng(rd());
template<typename T> inline T randint(T lo, T hi) { return uniform_int_distribution<T>(lo, hi)(rng); } // [lo,hi]
template<typename T> inline T randel(vector<T>& v) { return v[uniform_int_distribution<T>((int)0, v.size() - 1)(rng)]; } // [lo,hi]
#endif
const ll mod = 1e9 + 7;


int32_t main()
{
    fast();

    dread2(int, n, k);

    vector<unordered_set<int>> edges(n);
    vi smalldeg;
    rep(i, n)
    {
        dread(int, s);
        if (s <= k) smalldeg.push_back(i);
        rep(j, s)
        {
            dread(int, o);
            edges[i].insert(o);
        }
    }

    int ans = 0;
    repe(u, smalldeg)
    {

        rep(mask, 1 << edges[u].size())
        {
            int i = 0;
            bool works = true;
            repe(e, edges[u])
            {
                if (mask&(1<<i))
                {
                    int j = 0;
                    repe(e2, edges[u])
                    {
                        if (i!=j&&mask & (1 << j))
                        {
                            if (!setcontains(edges[e2], e))
                            {
                                works = false;
                                goto nope;
                            }
                        }
                        j++;
                    }
                }
                i++;
            }
        nope:;

            if (works)
            {
                ans = max(ans, (int)popcount(mask));
            }
        }
    }
    cout << ans+1;

    quit;
}

Subtask #1
4.0 / 4.0

# 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 4 ms 1492 KB Output is correct
4 Correct 3 ms 1620 KB Output is correct
5 Correct 3 ms 1620 KB Output is correct
6 Correct 4 ms 1620 KB Output is correct
7 Correct 4 ms 1620 KB Output is correct
8 Correct 1 ms 720 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 724 KB Output is correct

Subtask #2
12.0 / 12.0

# 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 4 ms 1492 KB Output is correct
4 Correct 3 ms 1620 KB Output is correct
5 Correct 3 ms 1620 KB Output is correct
6 Correct 4 ms 1620 KB Output is correct
7 Correct 4 ms 1620 KB Output is correct
8 Correct 1 ms 720 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 3 ms 1620 KB Output is correct
12 Correct 3 ms 1632 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 1624 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 4 ms 1620 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 4 ms 1620 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 2 ms 1368 KB Output is correct
21 Correct 2 ms 1364 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 4 ms 1624 KB Output is correct
24 Correct 1 ms 724 KB Output is correct
25 Correct 4 ms 1620 KB Output is correct
26 Correct 4 ms 1492 KB Output is correct
27 Correct 3 ms 1492 KB Output is correct
28 Correct 4 ms 1492 KB Output is correct
29 Correct 3 ms 1496 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 5 ms 1620 KB Output is correct
32 Correct 5 ms 1620 KB Output is correct
33 Correct 4 ms 1620 KB Output is correct
34 Correct 4 ms 1620 KB Output is correct
35 Correct 3 ms 980 KB Output is correct
36 Correct 2 ms 984 KB Output is correct
37 Correct 2 ms 988 KB Output is correct
38 Correct 1 ms 732 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 5 ms 1876 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 5 ms 1876 KB Output is correct
43 Correct 5 ms 1884 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 724 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 543 ms 25796 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 551 ms 25768 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 551 ms 25548 KB Output is correct
16 Correct 538 ms 25668 KB Output is correct
17 Correct 565 ms 25796 KB Output is correct
18 Correct 548 ms 25664 KB Output is correct

Subtask #4
0 / 38.0

# 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 4 ms 1492 KB Output is correct
4 Correct 3 ms 1620 KB Output is correct
5 Correct 3 ms 1620 KB Output is correct
6 Correct 4 ms 1620 KB Output is correct
7 Correct 4 ms 1620 KB Output is correct
8 Correct 1 ms 720 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 3 ms 1620 KB Output is correct
12 Correct 3 ms 1632 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 1624 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 4 ms 1620 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 4 ms 1620 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 2 ms 1368 KB Output is correct
21 Correct 2 ms 1364 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 4 ms 1624 KB Output is correct
24 Correct 1 ms 724 KB Output is correct
25 Correct 4 ms 1620 KB Output is correct
26 Correct 4 ms 1492 KB Output is correct
27 Correct 3 ms 1492 KB Output is correct
28 Correct 4 ms 1492 KB Output is correct
29 Correct 3 ms 1496 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 5 ms 1620 KB Output is correct
32 Correct 5 ms 1620 KB Output is correct
33 Correct 4 ms 1620 KB Output is correct
34 Correct 4 ms 1620 KB Output is correct
35 Correct 3 ms 980 KB Output is correct
36 Correct 2 ms 984 KB Output is correct
37 Correct 2 ms 988 KB Output is correct
38 Correct 1 ms 732 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 5 ms 1876 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 5 ms 1876 KB Output is correct
43 Correct 5 ms 1884 KB Output is correct
44 Correct 311 ms 2652 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Incorrect 5 ms 1884 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 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 4 ms 1492 KB Output is correct
4 Correct 3 ms 1620 KB Output is correct
5 Correct 3 ms 1620 KB Output is correct
6 Correct 4 ms 1620 KB Output is correct
7 Correct 4 ms 1620 KB Output is correct
8 Correct 1 ms 720 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 3 ms 1620 KB Output is correct
12 Correct 3 ms 1632 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 1624 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 4 ms 1620 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 4 ms 1620 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 2 ms 1368 KB Output is correct
21 Correct 2 ms 1364 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 4 ms 1624 KB Output is correct
24 Correct 1 ms 724 KB Output is correct
25 Correct 4 ms 1620 KB Output is correct
26 Correct 4 ms 1492 KB Output is correct
27 Correct 3 ms 1492 KB Output is correct
28 Correct 4 ms 1492 KB Output is correct
29 Correct 3 ms 1496 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 5 ms 1620 KB Output is correct
32 Correct 5 ms 1620 KB Output is correct
33 Correct 4 ms 1620 KB Output is correct
34 Correct 4 ms 1620 KB Output is correct
35 Correct 3 ms 980 KB Output is correct
36 Correct 2 ms 984 KB Output is correct
37 Correct 2 ms 988 KB Output is correct
38 Correct 1 ms 732 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 5 ms 1876 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 5 ms 1876 KB Output is correct
43 Correct 5 ms 1884 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Incorrect 67 ms 20064 KB Output isn't correct
46 Halted 0 ms 0 KB -