#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>
using namespace std;
#define enablell 0
typedef long long ll;
#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 _LOCAL _MSC_VER > 0
#if _LOCAL
#define gc() getchar()
#define popcount(x) __popcnt(x)
#define leading_zeros(x) _lzcnt_u32(x)
#define assert(x) debassert(x)
#else
#define popcount(x) __builtin__popcount(x)
#define leading_zeros(x) __builtin_clz(x)
#define gc() getchar_unlocked()
#if 0
#include <bits/extc++.h>
using namespace __gnu_pbds;
struct chash { // large odd number for C
const uint64_t C = ll(4e18 * acos(0)) | 71;
ll operator()(ll x) const { return x; }
};
//typedef __gnu_pbds::gp_hash_table<int, null_type, chash> h;
#endif
#endif
#define FILE_TC 0
#if FILE_TC
ifstream filein("C:\\Users\\Matis\\source\\repos\\Comp prog\\x64\\Debug\\in.txt");
#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 !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& 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 revall(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 first(a) (*begin(a))
#define indexpair(p, i) ((i==0)?p.first:p.second)
#define chmax(a,b) ((a)=max((a),b))
#define chmin(a,b) ((a)=min((a),b))
#define ceildiv(x,y) ((x + y - 1) / y)
#define fract(a) (a-floor(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; }
#if 0
auto Start = chrono::high_resolution_clock::now();
#define elapsedmillis() (chrono::duration_cast<chrono::milliseconds>(chrono::high_resolution_clock::now() - Start).count())
#define rununtil(time) if (elapsedmillis() >= time) break;
random_device rd;
mt19937 rng(rd());
#endif
const int mod = 1e9 + 7;
#include "advisor.h"
//void WriteAdvice(unsigned char a) {};
void WriteAdvice(unsigned char a);
bitset<int(2e5)> message;
void ComputeAdvice(int* c, int n, int k, int m)
{
vvi occurences(n);
rep(i, n)
{
occurences[c[i]].push_back(i);
}
priority_queue<p2> pq;
vb inq(n);
bool hasfree = false;
rep(i, k)
{
if (occurences[i].empty()) hasfree = true;
int priority = occurences[i].size() ? occurences[i][0] : inf;
pq.emplace(priority, i);
inq[i] = true;
}
vvi chopsmade(n);
vi choporder(n, -1);
rep(i, n)
{
p2 chop = pq.top();
if (inq[c[i]]) continue;
pq.pop();
inq[chop.second] = false;
chopsmade[chop.second].push_back(i);
choporder[i] = chop.second;
auto it = upper_bound(all(occurences[c[i]]), i);
pq.emplace(it == occurences[c[i]].end() ? inf : it - begin(occurences[c[i]]), c[i]);
inq[c[i]] = true;
}
// 0 chopping block
// 1 wait for update
rep(i, k)
{
if (occurences[i].empty()) message[i] = 0;
else if (chopsmade[i].empty()) message[i] = 1;
else if (occurences[i][0] < chopsmade[i][0]) message[i] = 1;
else if (occurences[i][0] > chopsmade[i][0]) message[i] = 0;
else assert(false);
}
stack<int> chopblock;
rep(i, k) if (message[i] == 0)chopblock.push(i);
vi status(k);
rep(i, k) status[i] = message[i];
set<int> shelf;
rep(i, k) shelf.insert(i);
vi inchop(n);
rep(i, n)
{
//if (!setcontains(shelf, c[i]))
//{
//
// int topop = chopblock.top();
// inchop[topop] = false;
// chopblock.pop();
// shelf.erase(topop);
// //status[topop] = 1;
// shelf.insert(c[i]);
//}
auto nextQit = upper_bound(all(occurences[c[i]]), i);
auto nextChopit = upper_bound(all(chopsmade[c[i]]), i);
// These should hopefully never be equal
int nextQ = nextQit == occurences[c[i]].end() ? inf : nextQit - begin(occurences[c[i]]);
int nextChop = nextChopit == chopsmade[c[i]].end() ? inf : nextChopit - begin(chopsmade[c[i]]);
if (nextChop < nextQ)
{
// Add to chopping block
message[i + k] = 0;
}
else
{
message[i + k] = 1;
}
}
rep(i, n + k) WriteAdvice(message[i]);
}
//int32_t main()
//{
// fast();
//
// rep(i, 1000)
// {
// int n = rand() % 10;
// if (n == 0) continue;
// int k = rand() % n;
// vi bois(n);
// rep(i, n) bois[i] = rand() % n;
// if (k < 2 || n < 1) continue;
// ComputeAdvice(&bois[0], n, k, 0);
// }
//
// quit;
//}
#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>
using namespace std;
#define enablell 0
typedef long long ll;
#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 _LOCAL _MSC_VER > 0
#if _LOCAL
#define gc() getchar()
#define popcount(x) __popcnt(x)
#define leading_zeros(x) _lzcnt_u32(x)
#define assert(x) debassert(x)
#else
#define popcount(x) __builtin__popcount(x)
#define leading_zeros(x) __builtin_clz(x)
#define gc() getchar_unlocked()
#if 0
#include <bits/extc++.h>
using namespace __gnu_pbds;
struct chash { // large odd number for C
const uint64_t C = ll(4e18 * acos(0)) | 71;
ll operator()(ll x) const { return x; }
};
//typedef __gnu_pbds::gp_hash_table<int, null_type, chash> h;
#endif
#endif
#define FILE_TC 0
#if FILE_TC
ifstream filein("C:\\Users\\Matis\\source\\repos\\Comp prog\\x64\\Debug\\in.txt");
#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 !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& 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 revall(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 first(a) (*begin(a))
#define indexpair(p, i) ((i==0)?p.first:p.second)
#define chmax(a,b) ((a)=max((a),b))
#define chmin(a,b) ((a)=min((a),b))
#define ceildiv(x,y) ((x + y - 1) / y)
#define fract(a) (a-floor(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; }
#if 0
auto Start = chrono::high_resolution_clock::now();
#define elapsedmillis() (chrono::duration_cast<chrono::milliseconds>(chrono::high_resolution_clock::now() - Start).count())
#define rununtil(time) if (elapsedmillis() >= time) break;
random_device rd;
mt19937 rng(rd());
#endif
const int mod = 1e9 + 7;
#include "assistant.h"
void PutBack(int T);
int GetRequest();
void Assist(unsigned char* a, int n, int k, int r)
{
vb message(n + k);
rep(i, n + k)
{
message[i] = a[i];
}
queue<int> chopblock;
rep(i, k) if (message[i] == 0)chopblock.push(i);
vi shelf(n);
rep(i, k) shelf[i]=true;
vi inchop(n);
rep(i, n)
{
int req = GetRequest();
if (!shelf[req])
{
int topop = chopblock.front();
inchop[topop] = false;
chopblock.pop();
shelf[topop] = false;
PutBack(topop);
shelf[req] = true;
}
if (message[i + k] == 0)
{
if (!inchop[req])
{
chopblock.push(req);
inchop[req] = true;
}
}
}
}
Compilation message
advisor.cpp: In function 'void ComputeAdvice(int*, int, int, int)':
advisor.cpp:156:10: warning: variable 'hasfree' set but not used [-Wunused-but-set-variable]
156 | bool hasfree = false;
| ^~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
516 KB |
Output is correct |
2 |
Incorrect |
1 ms |
512 KB |
Output isn't correct - not an optimal way |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
7 ms |
1868 KB |
Output isn't correct - not an optimal way |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
68 ms |
11352 KB |
Output isn't correct - not an optimal way |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
5 ms |
1180 KB |
Output isn't correct - not an optimal way |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
97 ms |
13852 KB |
Output isn't correct - not an optimal way |
2 |
Incorrect |
89 ms |
13828 KB |
Output isn't correct - not an optimal way |
3 |
Incorrect |
94 ms |
13952 KB |
Output isn't correct - not an optimal way |
4 |
Incorrect |
100 ms |
13800 KB |
Output isn't correct - not an optimal way |
5 |
Incorrect |
93 ms |
13932 KB |
Output isn't correct - not an optimal way |
6 |
Incorrect |
86 ms |
13932 KB |
Output isn't correct - not an optimal way |
7 |
Incorrect |
88 ms |
13984 KB |
Output isn't correct - not an optimal way |
8 |
Incorrect |
93 ms |
13940 KB |
Output isn't correct - not an optimal way |
9 |
Incorrect |
89 ms |
13936 KB |
Output isn't correct - not an optimal way |
10 |
Correct |
88 ms |
15580 KB |
Output is correct - 125000 bits used |