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Submission #761850

# Submission time Handle Problem Language Result Execution time Memory
761850 2023-06-20T10:29:05 Z SanguineChameleon Last supper (IOI12_supper) C++17
0 / 100
 122 ms 13148 KB 
#include "advisor.h"
#include <bits/stdc++.h>
using namespace std;

const int maxN = 1e5 + 20;
vector<int> pos[maxN];
int A[maxN * 2];

void ComputeAdvice(int *C, int N, int K, int M) {
	for (int i = N - 1; i >= 0; i--) {
		pos[C[i]].push_back(i);
	}
	set<pair<int, int>> S;
	for (int i = 0; i < K; i++) {
		S.emplace(pos[i].empty() ? N : 0, i);
	}
	for (int i = 0; i < N; i++) {
		if (S.begin()->first == i) {
			S.erase(S.begin());
		}
		else {
			A[prev(S.end())->second] = 1;
			S.erase(prev(S.end()));
		}
		pos[C[i]].pop_back();
		S.emplace(pos[C[i]].empty() ? N : 0, K + i);
	}
	for (int i = 0; i < K + N; i++) {
		WriteAdvice(A[i]);
	}
}

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

const int maxK = 1e5 + 20;
int flag[maxK];

void Assist(unsigned char *A, int N, int K, int R) {
	set<int> free;
	set<int> S;
	for (int i = 0; i < K; i++) {
		flag[i] = A[i];
		if (A[i] == 1) {
			free.insert(i);
		}
		S.insert(i);
	}
	for (int i = 0; i < N; i++) {
		int X = GetRequest();
		if (S.find(X) == S.end()) {
			int Y = *free.begin();
			PutBack(Y);
			free.erase(Y);
			S.erase(Y);
			S.insert(X);
		}
		if (flag[X] == 0 && A[K + i] == 1) {
			free.insert(X);
		}
		if (flag[X] == 1 && A[K + i] == 0) {
			free.erase(X);
		}
		flag[X] = A[K + i];
	}
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2940 KB Output is correct
2 Incorrect 1 ms 2948 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 11 ms 3668 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 91 ms 9640 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 6 ms 3240 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 112 ms 10792 KB Output isn't correct - not an optimal way
2 Incorrect 95 ms 11048 KB Output isn't correct - not an optimal way
3 Incorrect 93 ms 11532 KB Output isn't correct - not an optimal way
4 Incorrect 97 ms 11432 KB Output isn't correct - not an optimal way
5 Incorrect 122 ms 11532 KB Output isn't correct - not an optimal way
6 Incorrect 95 ms 11532 KB Output isn't correct - not an optimal way
7 Incorrect 95 ms 11476 KB Output isn't correct - not an optimal way
8 Incorrect 96 ms 11532 KB Output isn't correct - not an optimal way
9 Incorrect 94 ms 11524 KB Output isn't correct - not an optimal way
10 Incorrect 97 ms 13148 KB Output isn't correct - not an optimal way