oj.uz

답안 #568487

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
568487 2022-05-25T14:55:34 Z hollwo_pelw 코알라 (APIO17_koala) C++17
100 / 100
 48 ms 416 KB 
#include <bits/stdc++.h>
using namespace std;

#include "koala.h"

int R[105], B[105];

void __init__() { memset(R, 0, sizeof R); memset(B, 0, sizeof B); }

int minValue(int N, int W) {
	__init__();
	B[0] = 1;
	playRound(B, R);

	for (int i = 1; i < N; i++)
		if (!R[i]) return i;

	return 0;
}

int maxValue(int N, int W) {
	vector<int> res(N);
	iota(res.begin(), res.end(), 0);

	while ((int) res.size() > 1) {
		__init__();
		for (auto i : res)
			B[i] = W / res.size();
		playRound(B, R);

		int f = *max_element(R, R + N);
		
		res.clear();
		for (int i = 0; i < N; i++)
			if (R[i] == f) res.push_back(i);
	}

	return res[0];
}

int greaterValue(int N, int W) {
	int l = 0, r = sqrt(N * 2);
	while (l <= r) {
		int mid = (l + r) >> 1;
		
		__init__();
		B[0] = B[1] = mid;
		playRound(B, R);

		int c0 = R[0] > B[0], c1 = R[1] > B[1];

		if (c0 ^ c1) {
			if (c0) return 0;
			if (c1) return 1;
		}

		if (c0) {
			l = mid + 1;
		} else {
			r = mid - 1;
		}
	}

	return 0;
}

int dp[105][105], ct[105][105], need[105];

inline int get_p(int N, int W, int LL, int RR) {
	for (int p = 1; p <= W; p++) {
		memset(dp, 0, sizeof dp);
		memset(ct, 0, sizeof ct);

		fill(need + 1, need + N + 1, 1);
		for (int i = LL; i <= RR; i++)
			need[i] = p + 1;

		for (int i = 1; i <= N; i++) {
			for (int j = 0; j <= W; j++) {
				dp[i][j] = dp[i - 1][j];
				ct[i][j] = ct[i - 1][j];
				if (j >= need[i] && dp[i][j] < dp[i - 1][j - need[i]] + i) {
					dp[i][j] = dp[i - 1][j - need[i]] + i;
					ct[i][j] = ct[i - 1][j - need[i]] + (i <= RR && i >= LL);
				}
			}
		}

		if (ct[N][W] > 0 && ct[N][W] < RR - LL + 1)
			return p;
	}

	return 0;
}

void solve(int LL, int RR, int W, int T, int *P, vector<int> pos) {
	if (LL == RR) {
		assert((int) pos.size() == 1);
		return P[pos[0]] = LL, (void) 0;
	}
	vector<int> lef, rig;
	
	int f = T ? get_p(W, W, LL, RR) : W / pos.size();

	__init__();
	for (int i : pos) B[i] = f;
	
	playRound(B, R);

	for (int i : pos) {
		if (R[i] > B[i])
			rig.push_back(i);
		else
			lef.push_back(i);
	}
	int mid = LL + lef.size();
	solve(LL, mid - 1, W, T, P, lef), solve(mid, RR, W, T, P, rig);
}

void allValues(int N, int W, int *P) {
	vector<int> pos(N);
	iota(pos.begin(), pos.end(), 0);

	if (W == 2*N) {
		solve(1, N, W, 0, P, pos);
	} else {
		solve(1, N, W, 1, P, pos);
	}
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 4 ms 316 KB Output is correct
3 Correct 4 ms 316 KB Output is correct
4 Correct 4 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 208 KB Output is correct
2 Correct 13 ms 208 KB Output is correct
3 Correct 15 ms 208 KB Output is correct
4 Correct 12 ms 324 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 47 ms 316 KB Output is correct
2 Correct 48 ms 320 KB Output is correct
3 Correct 41 ms 324 KB Output is correct
4 Correct 43 ms 348 KB Output is correct
5 Correct 44 ms 336 KB Output is correct
6 Correct 44 ms 332 KB Output is correct
7 Correct 41 ms 336 KB Output is correct
8 Correct 44 ms 336 KB Output is correct
9 Correct 41 ms 332 KB Output is correct
10 Correct 41 ms 332 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 320 KB Output is correct
2 Correct 6 ms 208 KB Output is correct
3 Correct 6 ms 324 KB Output is correct
4 Correct 6 ms 324 KB Output is correct
5 Correct 6 ms 208 KB Output is correct
6 Correct 6 ms 320 KB Output is correct
7 Correct 6 ms 208 KB Output is correct
8 Correct 6 ms 240 KB Output is correct
9 Correct 6 ms 324 KB Output is correct
10 Correct 6 ms 324 KB Output is correct
11 Correct 5 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 6 ms 320 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 6 ms 320 KB Output is correct
19 Correct 7 ms 320 KB Output is correct
20 Correct 6 ms 208 KB Output is correct

Subtask #5
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 408 KB Output is correct
2 Correct 13 ms 336 KB Output is correct
3 Correct 14 ms 408 KB Output is correct
4 Correct 13 ms 336 KB Output is correct
5 Correct 14 ms 408 KB Output is correct
6 Correct 13 ms 412 KB Output is correct
7 Correct 13 ms 336 KB Output is correct
8 Correct 13 ms 416 KB Output is correct
9 Correct 12 ms 404 KB Output is correct
10 Correct 14 ms 404 KB Output is correct
11 Correct 12 ms 404 KB Output is correct
12 Correct 13 ms 408 KB Output is correct
13 Correct 14 ms 408 KB Output is correct
14 Correct 18 ms 412 KB Output is correct
15 Correct 13 ms 404 KB Output is correct
16 Correct 14 ms 408 KB Output is correct
17 Correct 13 ms 408 KB Output is correct
18 Correct 13 ms 404 KB Output is correct
19 Correct 13 ms 336 KB Output is correct
20 Correct 14 ms 408 KB Output is correct
21 Correct 13 ms 408 KB Output is correct
22 Correct 13 ms 292 KB Output is correct
23 Correct 14 ms 404 KB Output is correct
24 Correct 13 ms 412 KB Output is correct
25 Correct 14 ms 336 KB Output is correct
26 Correct 14 ms 336 KB Output is correct
27 Correct 14 ms 336 KB Output is correct
28 Correct 14 ms 404 KB Output is correct
29 Correct 17 ms 408 KB Output is correct
30 Correct 13 ms 412 KB Output is correct
31 Correct 12 ms 336 KB Output is correct
32 Correct 19 ms 336 KB Output is correct
33 Correct 15 ms 408 KB Output is correct
34 Correct 12 ms 336 KB Output is correct
35 Correct 12 ms 336 KB Output is correct
36 Correct 12 ms 336 KB Output is correct
37 Correct 13 ms 408 KB Output is correct
38 Correct 12 ms 336 KB Output is correct
39 Correct 13 ms 404 KB Output is correct
40 Correct 12 ms 416 KB Output is correct