oj.uz

Submission #779746

# Submission time Handle Problem Language Result Execution time Memory
779746 2023-07-11T18:26:21 Z Joshua_Andersson Self Study (JOI22_ho_t2) C++14
62 / 100
 193 ms 13772 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<ull> vull;
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>;
template<typename T, typename U> using indexed_set = tree<T, U, 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\\release\\in.txt");
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
void fast() {}
#else
inline void fast() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); }
#endif

#if FAST_INPUT && (!FILE_TC || !_LOCAL)
inline void read(int& v) { v = 0; int sign = 1; char c = gc(); if (c == '-') { sign = -1; } else { v += c - '0'; } while ((c = gc()) && c != ' ' && c != '\n') { if (c == EOF) { v = -1; return; } 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); } }
inline void readline(string& s) { char c; while ((c = gc()) != EOF && c != '\n') { 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
#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 debif(expr) ;
#define debassert(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, 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, typename U> inline int randint(T lo, U hi) { return uniform_int_distribution<int>((int)lo, (int)hi)(rng); } // [lo,hi]
template<typename T> inline T randel(vector<T>& v) { return v[uniform_int_distribution<int>(int(0), int(v.size()) - int(1))(rng)]; } // [lo,hi]
#endif
const ll mod = 1e9 + 7;
vp2 dirs = { {0,1},{0,-1},{1,0},{-1,0}, {0,0} };

bool works(int t, int m, vi& a, vi& b)
{
	int n = a.size();
	vi left(n, t);

	int spare = 0;

	rep(i, n)
	{
		if (a[i]>b[i])
		{
			int req = ceildiv(left[i], a[i]);
			if (req<=m)
			{
				spare += m-req;
				left[i] = 0;
			}
			else
			{
				left[i] -= m * a[i];
			}
		}
		else
		{
			spare += m;
		}
	}

	rep(i, n)
	{
		if (left[i])
		{
			int req = ceildiv(left[i], b[i]);
			if (req <= spare)
			{
				spare -= req;
			}
			else
			{
				return 0;
			}
		}
	}
	return 1;
}

int32_t main()
{
	fast();


	dread2(int, n, m);
	readvector(int, a, n);
	readvector(int, b, n);
	int lo = -1;
	int hi = int(1e16);
	while (hi-lo>1)
	{
		int mid = (hi + lo) / 2;

		if (works(mid,m,a,b))
		{
			lo = mid;
		}
		else
		{
			hi = mid;
		}
	}
	cout << lo;

	quit;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 176 ms 13184 KB Output is correct
12 Correct 178 ms 13180 KB Output is correct
13 Correct 81 ms 11164 KB Output is correct
14 Correct 125 ms 11192 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 45 ms 8544 KB Output is correct
17 Correct 92 ms 13772 KB Output is correct
18 Correct 106 ms 13156 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 45 ms 8544 KB Output is correct
3 Correct 92 ms 13772 KB Output is correct
4 Correct 106 ms 13156 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 47 ms 6752 KB Output is correct
14 Correct 32 ms 4580 KB Output is correct
15 Correct 23 ms 3552 KB Output is correct
16 Correct 23 ms 3016 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 2 ms 468 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 176 ms 13184 KB Output is correct
12 Correct 178 ms 13180 KB Output is correct
13 Correct 81 ms 11164 KB Output is correct
14 Correct 125 ms 11192 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 336 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 47 ms 6752 KB Output is correct
24 Correct 32 ms 4580 KB Output is correct
25 Correct 23 ms 3552 KB Output is correct
26 Correct 23 ms 3016 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 328 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 45 ms 8544 KB Output is correct
36 Correct 92 ms 13772 KB Output is correct
37 Correct 106 ms 13156 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 3 ms 468 KB Output is correct
46 Correct 4 ms 596 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 32 ms 2536 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 3 ms 460 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 83 ms 6612 KB Output is correct
56 Correct 30 ms 3964 KB Output is correct
57 Correct 42 ms 3924 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 212 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 47 ms 6752 KB Output is correct
10 Correct 32 ms 4580 KB Output is correct
11 Correct 23 ms 3552 KB Output is correct
12 Correct 23 ms 3016 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 45 ms 8544 KB Output is correct
22 Correct 92 ms 13772 KB Output is correct
23 Correct 106 ms 13156 KB Output is correct
24 Correct 28 ms 2280 KB Output is correct
25 Correct 67 ms 6088 KB Output is correct
26 Correct 13 ms 1628 KB Output is correct
27 Correct 91 ms 13184 KB Output is correct
28 Correct 95 ms 13176 KB Output is correct
29 Correct 97 ms 13160 KB Output is correct
30 Correct 127 ms 13164 KB Output is correct
31 Incorrect 193 ms 13284 KB Output isn't correct
32 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 176 ms 13184 KB Output is correct
12 Correct 178 ms 13180 KB Output is correct
13 Correct 81 ms 11164 KB Output is correct
14 Correct 125 ms 11192 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 336 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 47 ms 6752 KB Output is correct
24 Correct 32 ms 4580 KB Output is correct
25 Correct 23 ms 3552 KB Output is correct
26 Correct 23 ms 3016 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 328 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 3 ms 468 KB Output is correct
42 Correct 4 ms 596 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 32 ms 2536 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 3 ms 460 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 83 ms 6612 KB Output is correct
52 Correct 30 ms 3964 KB Output is correct
53 Correct 42 ms 3924 KB Output is correct
54 Correct 28 ms 2280 KB Output is correct
55 Correct 67 ms 6088 KB Output is correct
56 Correct 13 ms 1628 KB Output is correct
57 Correct 91 ms 13184 KB Output is correct
58 Correct 95 ms 13176 KB Output is correct
59 Correct 97 ms 13160 KB Output is correct
60 Correct 127 ms 13164 KB Output is correct
61 Incorrect 193 ms 13284 KB Output isn't correct
62 Halted 0 ms 0 KB -