oj.uz

Submission #977569

# Submission time Handle Problem Language Result Execution time Memory
977569 2024-05-08T07:07:49 Z siewjh Koala Game (APIO17_koala) C++17
100 / 100
 57 ms 756 KB 
#include "koala.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 105;
int qa[MAXN], ra[MAXN], cmpa[MAXN][MAXN];

int minValue(int N, int W){ // N = 100, W = 100, 2 times
    qa[0] = 1;
    for (int i = 1; i < N; i++) qa[i] = 0;
    playRound(qa, ra);
    if (ra[0] <= 1) return 0;
    for (int i = 1; i < N; i++)
		if (ra[i] == 0)
			return i;
}

int maxValue(int N, int W){ // N = 100, W = 100, 4 times
    vector<int> loc;
    for (int i = 0; i < N; i++) loc.push_back(i);
    while (loc.size() > 1){ // 100, 50, 25, 9, 1
		int amt = W / loc.size();
		for (int i = 0; i < N; i++) qa[i] = 0;
		for (int x : loc) qa[x] = amt;
		playRound(qa, ra);
		vector<int> ori; swap(ori, loc);
		for (int x : ori) 
			if (ra[x] > amt)
				loc.push_back(x);
	}
	return loc[0];
}

int greaterValue(int N, int W){ // N = 100, W = 100, 3 times
	for (int i = 0; i < N; i++) qa[i] = 0;
	int lo = 0, hi = 4;
	int amt[] = {1, 2, 4, 6, 8};
	while (lo <= hi){
		int m = (lo + hi) >> 1;
		qa[0] = qa[1] = amt[m];
		playRound(qa, ra);
		if (ra[0] > amt[m] != ra[1] > amt[m]) return ra[1] > amt[m];
		else if (ra[0] > amt[m]) lo = m + 1;
		else hi = m - 1;
	}
}

void dnc(int l, int r, vector<int> &vind, int *P){
	if (l == r){
		P[vind[0]] = l;
		return;
	}
	int sz = r - l + 1, lo = 1, hi = 100 / sz, sh = -1;
	vector<int> rem;
	for (int i = 1; i < l; i++) rem.push_back(i);
	for (int i = r + 1; i <= 100; i++) rem.push_back(i);
	while (lo <= hi){
		int m = (lo + hi) >> 1, stone = sz, ind = 0, choose = 0;
		for (int x = r; x >= l; x--){
			int sum = 0;
			for (int i = 0; i <= m; i++){
				if (stone) stone--;
				else if (ind != rem.size()){
					sum += rem[ind]; ind++;
				}
				else{
					sum = 1e9; break;
				}
			}
			if (sum > x) break;
			else if (sum == x){
				if (choose) choose++;
				break;
			}
			else choose++;
		}
		if (choose == 0) hi = m - 1;
		else if (choose == sz) lo = m + 1;
		else{
			sh = m;
			break;
		}
	}
	vector<int> lv, rv;
	for (int i = 0; i < 100; i++) qa[i] = 0;
	for (int x : vind) qa[x] = sh;
	playRound(qa, ra);
	for (int x : vind){
		if (ra[x] > sh) rv.push_back(x);
		else lv.push_back(x);
	}
	dnc(l, l + lv.size() - 1, lv, P); dnc(l + lv.size(), r, rv, P);
}

bool cmp(int a, int b){
	if (cmpa[a][b] != -1) return cmpa[a][b];
	qa[a] = qa[b] = 100;
	playRound(qa, ra);
	qa[a] = qa[b] = 0;
	cmpa[a][b] = ra[b] > 100; cmpa[b][a] = 1 - cmpa[a][b];
	return cmpa[a][b];
}

void allValues(int N, int W, int *P){ 
	if (W == 100){ // N = 100, W = 100, 100 times
		vector<int> vind(100);
		for (int i = 0; i < 100; i++) vind[i] = i;
		dnc(1, 100, vind, P);
	}
	else{ // N = 100, W = 200, 700 times
		memset(cmpa, -1, sizeof(cmpa));
		for (int i = 0; i < 100; i++) qa[i] = 0;
		vector<int> ord(100);
		for (int i = 0; i < 100; i++) ord[i] = i;
		stable_sort(ord.begin(), ord.end(), cmp);
		for (int i = 0; i < 100; i++) P[ord[i]] = i + 1;
	}
}

Compilation message

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:42:13: warning: suggest parentheses around comparison in operand of '!=' [-Wparentheses]
   42 |   if (ra[0] > amt[m] != ra[1] > amt[m]) return ra[1] > amt[m];
      |       ~~~~~~^~~~~~~~
koala.cpp: In function 'void dnc(int, int, std::vector<int>&, int*)':
koala.cpp:63:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |     else if (ind != rem.size()){
      |              ~~~~^~~~~~~~~~~~~
koala.cpp: In function 'int minValue(int, int)':
koala.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type]
   16 | }
      | ^
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:46:1: warning: control reaches end of non-void function [-Wreturn-type]
   46 | }
      | ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 10 ms 344 KB Output is correct
4 Correct 10 ms 456 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 464 KB Output is correct
2 Correct 57 ms 484 KB Output is correct
3 Correct 50 ms 468 KB Output is correct
4 Correct 47 ms 484 KB Output is correct
5 Correct 47 ms 460 KB Output is correct
6 Correct 48 ms 476 KB Output is correct
7 Correct 49 ms 472 KB Output is correct
8 Correct 49 ms 500 KB Output is correct
9 Correct 47 ms 476 KB Output is correct
10 Correct 52 ms 488 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 756 KB Output is correct
2 Correct 29 ms 488 KB Output is correct
3 Correct 27 ms 340 KB Output is correct
4 Correct 27 ms 344 KB Output is correct
5 Correct 26 ms 344 KB Output is correct
6 Correct 26 ms 344 KB Output is correct
7 Correct 26 ms 500 KB Output is correct
8 Correct 27 ms 596 KB Output is correct
9 Correct 26 ms 488 KB Output is correct
10 Correct 25 ms 344 KB Output is correct
11 Correct 27 ms 344 KB Output is correct
12 Correct 12 ms 492 KB Output is correct
13 Correct 25 ms 344 KB Output is correct
14 Correct 23 ms 344 KB Output is correct
15 Correct 23 ms 344 KB Output is correct
16 Correct 24 ms 344 KB Output is correct
17 Correct 23 ms 344 KB Output is correct
18 Correct 24 ms 344 KB Output is correct
19 Correct 24 ms 484 KB Output is correct
20 Correct 24 ms 344 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 3 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 3 ms 428 KB Output is correct
23 Correct 3 ms 596 KB Output is correct
24 Correct 3 ms 344 KB Output is correct
25 Correct 3 ms 344 KB Output is correct
26 Correct 3 ms 344 KB Output is correct
27 Correct 3 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 3 ms 344 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 3 ms 344 KB Output is correct
33 Correct 3 ms 344 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 3 ms 344 KB Output is correct
36 Correct 3 ms 344 KB Output is correct
37 Correct 3 ms 344 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 3 ms 344 KB Output is correct
40 Correct 3 ms 344 KB Output is correct