oj.uz

Submission #58452

# Submission time Handle Problem Language Result Execution time Memory
58452 2018-07-17T22:24:31 Z kingpig9 Last supper (IOI12_supper) C++11
0 / 100
 306 ms 30872 KB 
#include <bits/stdc++.h>
#include "advisor.h"

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
static const int MAXN = 1e5 + 10;

//#define debug(...) fprintf(stderr, __VA_ARGS__)
#define debug(...)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))

#warning static (advisor)

static int *C, N, K, M;
static set<pii> st;	//pii(when we neet i, i) -- you remove GREATEST of them.
static bool has[MAXN];
static vector<int> inds[MAXN];

static vector<int> getans() {
	//let's just implement -- get the bits
	//+ 10 just for the adjustment. Makes no difference for max values of N, K.

	for (int i = 0; i < N; i++) {
		inds[i].push_back(N);
	}
	for (int i = N - 1; i >= 0; i--) {
		inds[C[i]].push_back(i);
	}

	for (int i = 0; i < K; i++) {
		has[i] = true;
		st.emplace(inds[i].back(), i);
	}

	vector<int> ans;
	for (int i = 0; i < N; i++) {
		if (has[C[i]]) {
			st.erase(pii(inds[C[i]].back(), C[i]));
			inds[C[i]].pop_back();
			st.insert(pii(inds[C[i]].back(), C[i]));
			ans.push_back(N);	//this is bad
			debug("Bad\n");
			continue;
		}

		//remove one
		inds[C[i]].pop_back();
		auto it = --st.end();
		pii tp = *it;
		st.erase(it);
		has[tp.se] = false;
		debug("tp.se = %d\n", tp.se);
		ans.push_back(tp.se);
		st.insert(pii(inds[C[i]].back(), C[i]));

		//add C[i]
		has[C[i]] = true;
	}
	return ans;
}

static void go() {
	//if < 25000
	vector<int> ans = getans();
	vector<int> lastind(N + 1, N);
	for (int i = 0; i < N; i++) {
		debug("ans[%d] = %d\n", i, ans[i]);
		lastind[C[i]] = i;
	}
	for (int i = 0; i < N; i++) {
		debug("lastind[%d] = %d\n", i, lastind[i]);
	}
	//will it be taken
	for (int i = 0; i < K; i++) {
		debug("i = %d. Advice = %d\n", i, lastind[i] == N);
		WriteAdvice(lastind[i] == N);
	}
	for (int i = 0; i < N; i++) {
		debug("ans[%d] = %d. advice = %d\n", i, ans[i], lastind[ans[i]] == i);
		WriteAdvice(lastind[ans[i]] == i);
	}
}

void ComputeAdvice (int *ccc, int nnn, int kkk, int mmm) {
	C = ccc;
	N = nnn;
	K = kkk;
	M = mmm;
	go();
}

#include <bits/stdc++.h>
#include "assistant.h"

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
static const int MAXN = 1e5 + 10;

#define debug(...) fprintf(stderr, __VA_ARGS__)
//#define debug(...)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))

#warning static (assistant)

static unsigned char *A;
static int N, K;
static int cur[MAXN];
static bool has[MAXN];

static void go() {
	priority_queue<pii> pq;
	for (int i = 0; i < K; i++) {
		cur[i] = i;
		has[i] = true;
		pq.emplace(A[i], i);
	}
	A += K;

	for (int i = 0; i < N; i++) {
		//replace it with this
		int req = GetRequest();
		if (has[req]) {
			continue;
		}
		int ind = pq.top().se;
		int &ref = cur[ind];
		//debug("REF %d\n", ref);
		PutBack(ref);
		has[ref] = false;
		pq.pop();
		ref = req;
		pq.emplace(A[i], ind);
		has[req] = true;
	}
}

void Assist (unsigned char *aaa, int nnn, int kkk, int rrr) {
	A = aaa;
	N = nnn;
	K = kkk;
	go();
}

Compilation message

advisor.cpp:17:2: warning: #warning static (advisor) [-Wcpp]
 #warning static (advisor)
  ^~~~~~~

assistant.cpp:17:2: warning: #warning static (assistant) [-Wcpp]
 #warning static (assistant)
  ^~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5368 KB Output is correct
2 Incorrect 8 ms 5456 KB Output isn't correct - not an optimal way
3 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 7224 KB Output isn't correct - not an optimal way
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 177 ms 16592 KB Output isn't correct - not an optimal way
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 16592 KB Output isn't correct - not an optimal way
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 230 ms 20096 KB Output isn't correct - not an optimal way
2 Incorrect 239 ms 21488 KB Output isn't correct - not an optimal way
3 Incorrect 226 ms 22936 KB Output isn't correct - not an optimal way
4 Incorrect 297 ms 23872 KB Output isn't correct - not an optimal way
5 Incorrect 306 ms 25160 KB Output isn't correct - not an optimal way
6 Incorrect 244 ms 26336 KB Output isn't correct - not an optimal way
7 Incorrect 256 ms 27464 KB Output isn't correct - not an optimal way
8 Incorrect 244 ms 28624 KB Output isn't correct - not an optimal way
9 Incorrect 297 ms 29768 KB Output isn't correct - not an optimal way
10 Correct 205 ms 30872 KB Output is correct - 125000 bits used