oj.uz

답안 #166371

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
166371 2019-12-01T19:29:02 Z qkxwsm 코알라 (APIO17_koala) C++14
29 / 100
 79 ms 436 KB 
#include "koala.h"
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
	if (a > b) a = b;
}

template<class T, class U>
void ckmax(T &a, U b)
{
	if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= b; i--)
#define SZ(x) ((int) ((x).size()))
#define ALL(x) x.begin(), x.end()
#define INF 1000000007
#define LLINF 2696969696969696969

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

int N, Q;
vi arr, rec;
vi test = {8, 4, 2, 1};
vi ans;

vi ask(vi s)
{
	int tmp[100], tmp1[100];
	FOR(i, 0, N)
	{
		tmp[i] = s[i];
	}
	playRound(tmp, tmp1);
	FOR(i, 0, N)
	{
		s[i] = tmp1[i];
	}
	return s;
}

int minValue(int n, int q)
{
	N = n; Q = q; arr.resize(N);
	arr[0] = 1;
	rec = ask(arr);
	FOR(i, 1, N)
	{
		if (rec[i] == 0) return i;
	}
    return 0;
}

int maxValue(int n, int q)
{
    N = n; Q = q; arr.resize(N);
	vi cands;
	FOR(i, 0, N) cands.PB(i);
	while(SZ(cands) > 1)
	{
		vi tmp;
		FOR(i, 0, N) arr[i] = 0;
		for (int x : cands) arr[x] = N / SZ(cands);
		rec = ask(arr);
		FOR(i, 0, N)
		{
			if (rec[i] > (N / SZ(cands))) tmp.PB(i);
		}
		cands = tmp;
		// for (int x : cands)
		// {
		// 	cerr << x << ' ';
		// }
		// cerr << endl;
	}
	return cands[0];
}

bool cmp(int i, int j)
{
	if (i == j) return false;
	//is i < j?
	FOR(k, 0, N) arr[k] = 0;
	for (int x : test)
	{
		arr[i] = x; arr[j] = x;
		rec = ask(arr);
		if (rec[i] > x && rec[j] <= x) return false;
		if (rec[i] <= x && rec[i] > x) return true;
	}
}

int greaterValue(int n, int q)
{
	N = n; Q = q; arr.resize(N);
	//say you put x on each.
	//they will put 98 on thhe other guys and 0 on both of you.
	//they will put 99-x on the other guys and x+1 on one of you. it's a sacrifice of 1+2+...x-1. for you. but the next one needs x....2x-2
	//they will put 98-2x on everybody else and x+1 on both of you.
	//they put it on the more expensive of you two.
	bool b = cmp(0, 1);
	if (b) return 1;
	return 0;
}

bool cmp1(int a, int b)
{
	//return true if a < b
	FOR(i, 0, N)
	{
		arr[i] = 0;
	}
	arr[a] = N; arr[b] = N;
	rec = ask(arr);
	return (rec[b] > N);
}
vi ord[300];
void build4(int w, int L, int R)
{
	ord[w].clear();
	if (L == R)
	{
		ord[w].PB(L);
		return;
	}
	int mid = (L + R) >> 1;
	build4(w << 1, L, mid);
	build4(w << 1 | 1, mid + 1, R);
}
void solve4(int w, int L, int R)
{
	if (L == R) return;
	int mid = (L + R) >> 1;
	solve4(w << 1, L, mid);
	solve4(w << 1 | 1, mid + 1, R);
	int lt = 0, rt = 0;
	while(lt < SZ(ord[w << 1]) || rt < SZ(ord[w << 1 | 1]))
	{
		if (rt == SZ(ord[w << 1 | 1]) || ((lt != SZ(ord[w << 1]) && cmp1(ord[w << 1][lt], ord[w << 1 | 1][rt]))))
		{
			ord[w].PB(ord[w << 1][lt]);
			lt++;
		}
		else
		{
			ord[w].PB(ord[w << 1 | 1][rt]);
			rt++;
		}
	}
}
void allValues(int n, int q, int *res)
{
    N = n; Q = q; arr.resize(N); ans.resize(N);
	if (Q == 2 * N)
	{
		build4(1, 0, N - 1);
		solve4(1, 0, N - 1);
		FOR(i, 0, SZ(ord[1]))
		{
			ans[ord[1][i]] = i + 1;
		}
	}
	//eh we only have N.
	//well you know who the upper half is now.
	FOR(i, 0, N) res[i] = ans[i];
	return;
}

Compilation message

koala.cpp: In function 'bool cmp(int, int)':
koala.cpp:109:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 380 KB Output is correct
2 Correct 6 ms 376 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 7 ms 376 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 376 KB Output is correct
2 Correct 17 ms 380 KB Output is correct
3 Correct 17 ms 428 KB Output is correct
4 Correct 16 ms 376 KB Output is correct

Subtask #3
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 376 KB Output is correct
2 Correct 35 ms 376 KB Output is correct
3 Correct 35 ms 376 KB Output is correct
4 Correct 34 ms 380 KB Output is correct
5 Correct 35 ms 376 KB Output is correct
6 Correct 34 ms 376 KB Output is correct
7 Correct 79 ms 376 KB Output is correct
8 Correct 33 ms 376 KB Output is correct
9 Correct 33 ms 376 KB Output is correct
10 Correct 32 ms 380 KB Output is correct
11 Correct 34 ms 376 KB Output is correct
12 Correct 21 ms 376 KB Output is correct
13 Correct 34 ms 436 KB Output is correct
14 Correct 31 ms 376 KB Output is correct
15 Correct 31 ms 376 KB Output is correct
16 Correct 30 ms 376 KB Output is correct
17 Correct 30 ms 376 KB Output is correct
18 Correct 31 ms 380 KB Output is correct
19 Correct 30 ms 376 KB Output is correct
20 Correct 31 ms 376 KB Output is correct

Subtask #5
0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 380 KB Output isn't correct
2 Halted 0 ms 0 KB -