oj.uz

Submission #761619

# Submission time Handle Problem Language Result Execution time Memory
761619 2023-06-20T05:41:42 Z SanguineChameleon Last supper (IOI12_supper) C++17
0 / 100
 294 ms 25164 KB 
#include "advisor.h"
#include <bits/stdc++.h>
using namespace std;

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

void ComputeAdvice(int *C, int N, int K, int M) {
	int L = 1;
	while ((1 << L) < K) {
		L++;
	}
	for (int i = N - 1; i >= 0; i--) {
		pos[C[i]].push_back(i);
	}
	map<int, int> cur;
	set<pair<int, int>> S;
	for (int i = 0; i < K; i++) {
		S.emplace(pos[i].empty() ? N : pos[i].back(), i);
		cur[i] = i;
	}
	for (int i = 0; i < N; i++) {
		int x = -1;
		if (S.begin()->second == C[i]) {
			x = cur[C[i]];
			cur[C[i]] = -1;
			S.erase(S.begin());
		}
		else {
			x = cur[prev(S.end())->second];
			cur[prev(S.end())->second] = -1;
			for (int j = 0; j < L; j++) {
				WriteAdvice((x >> j) & 1);
			}
			S.erase(prev(S.end()));
		}
		cur[C[i]] = x;
		pos[C[i]].pop_back();
		S.emplace(pos[C[i]].empty() ? N : pos[C[i]].back(), C[i]);
		assert((int)S.size() == K);
	}
}

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

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

void Assist(unsigned char *A, int N, int K, int R) {
	int L = 1;
	while ((1 << L) < K) {
		L++;
	}
	set<int> S;
	for (int i = 0; i < K; i++) {
		colors[i] = i;
		S.insert(i);
	}
	int pt = 0;
	for (int i = 0; i < N; i++) {
		int C = GetRequest();
		if (S.find(C) != S.end()) {
			continue;
		}
		int pos = 0;
		for (int j = 0; j < L; j++) {
			pos |= (A[pt + j] << j);
		}
		pt += L;
		PutBack(colors[pos]);
		colors[pos] = C;
		S.erase(colors[pos]);
		S.insert(C);
	}
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2960 KB Output is correct
2 Correct 1 ms 2948 KB Output is correct
3 Correct 2 ms 3076 KB Output is correct
4 Incorrect 4 ms 2972 KB Error - Not putting back color when it is not on the scaffold
5 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 4440 KB Error - Not putting back color when it is not on the scaffold
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 187 ms 16032 KB Output is correct
2 Correct 237 ms 19112 KB Output is correct
3 Correct 236 ms 19148 KB Output is correct
4 Correct 231 ms 18072 KB Output is correct
5 Incorrect 192 ms 14568 KB Error - Not putting back color when it is not on the scaffold
6 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3120 KB Error - advice is too long
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 263 ms 19048 KB Error - Not putting back color when it is not on the scaffold
2 Correct 240 ms 19356 KB Output is partially correct - 742095 bits used
3 Correct 237 ms 19264 KB Output is partially correct - 712470 bits used
4 Correct 236 ms 19236 KB Output is partially correct - 712005 bits used
5 Correct 243 ms 19108 KB Output is partially correct - 710610 bits used
6 Correct 239 ms 19272 KB Output is partially correct - 712155 bits used
7 Correct 241 ms 19296 KB Output is partially correct - 711090 bits used
8 Correct 237 ms 19388 KB Output is partially correct - 713340 bits used
9 Correct 241 ms 19228 KB Output is partially correct - 712830 bits used
10 Incorrect 294 ms 25164 KB Error - Not putting back color when it is not on the scaffold