Submission #1012047

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012047		AmirAli_H1	Last supper (IOI12_supper)	C++17	100 / 100	92 ms	11268 KiB

advisor

// In the name of Allah

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

typedef		long long int			ll;
typedef		long double				ld;
typedef		pair<int, int>			pii;
typedef		pair<ll, ll>			pll;
typedef		complex<ld>				cld;

#define		all(x)					(x).begin(),(x).end()
#define		len(x)					((ll) (x).size())
#define		F						first
#define		S						second
#define		pb						push_back
#define		sep						' '
#define		endl					'\n'
#define		Mp						make_pair
#define		kill(x)					cout << x << '\n', exit(0)
#define		set_dec(x)				cout << fixed << setprecision(x);
#define		file_io(x,y)			freopen(x, "r", stdin); freopen(y, "w", stdout);

static int n, k, m;
const static int maxn = 2e5 + 7;
static int A[maxn], val[maxn], ind[maxn];
static int M[maxn], res[maxn];
static set<pii> st;

void WriteAdvice(unsigned char a);

void ComputeAdvice(int C[], int Nx, int Kx, int Mx) {
	n = Nx; k = Kx; m = Mx;
	
	n += k;
	for (int i = 0; i < k; i++) A[i] = i;
	for (int i = k; i < n; i++) A[i] = C[i - k];
	
	fill(ind, ind + n, n);
	for (int i = n - 1; i >= 0; i--) {
		val[i] = ind[A[i]];
		ind[A[i]] = i;
	}
	
	st.clear();
	fill(M, M + n, -1); fill(res, res + n, 1);
	for (int i = 0; i < k; i++) {
		st.insert(Mp(val[i], i));
		M[A[i]] = i;
	}
	for (int i = k; i < n; i++) {
		int j = M[A[i]];
		if (j != -1) {
			st.erase(Mp(val[j], j));
			st.insert(Mp(val[i], i));
			M[A[i]] = i;
		}
		else {
			auto f = *st.rbegin();
			int r = f.S; st.erase(f);
			res[r] = 0; M[A[r]] = -1;
			st.insert(Mp(val[i], i));
			M[A[i]] = i;
		}
	}
	
	for (int i = 0; i < n; i++) {
		if (res[i]) WriteAdvice(1);
		else WriteAdvice(0);
	}
}

assistant

// In the name of Allah

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

typedef		long long int			ll;
typedef		long double				ld;
typedef		pair<int, int>			pii;
typedef		pair<ll, ll>			pll;
typedef		complex<ld>				cld;

#define		all(x)					(x).begin(),(x).end()
#define		len(x)					((ll) (x).size())
#define		F						first
#define		S						second
#define		pb						push_back
#define		sep						' '
#define		endl					'\n'
#define		Mp						make_pair
#define		kill(x)					cout << x << '\n', exit(0)
#define		set_dec(x)				cout << fixed << setprecision(x);
#define		file_io(x,y)			freopen(x, "r", stdin); freopen(y, "w", stdout);

static int n, k, m;
const static int maxn = 2e5 + 7;
static int A[maxn], M[maxn];
static set<pii> st;

void PutBack(int T);

int GetRequest();

void Assist(unsigned char res[], int Nx, int Kx, int Rx) {
	n = Nx; k = Kx; m = Rx;
	n += k;
	
	st.clear();
	fill(M, M + n, -1);
	for (int i = 0; i < k; i++) {
		st.insert(Mp(res[i], i));
		A[i] = i; M[A[i]] = i;
	}
	
	for (int i = k; i < n; i++) {
		A[i] = GetRequest();
		if (M[A[i]] != -1) {
			int j = M[A[i]];
			auto f = Mp(res[j], j); st.erase(f);
			M[A[i]] = -1;
		}
		else {
			auto f = *st.begin();
			int j = f.S; st.erase(f);
			M[A[j]] = -1; PutBack(A[j]);
		}
		st.insert(Mp(res[i], i));
		M[A[i]] = i;
	}
}

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 35 / 35
• Subtask 5: 39 / 39