Submission #262755

#TimeUsernameProblemLanguageResultExecution timeMemory
262755SaboonKoala Game (APIO17_koala)C++14
61 / 100
86 ms504 KiB
#include "koala.h"
#include <bits/stdc++.h>
using namespace std;
 
int B[100], R[100];
bool mark[100];
 
int minValue(int N, int W){
    for (int i = 0; i < N; i++)
		B[i] = 0;
	B[0] = 1;
	playRound(B, R);
	for (int i = 0; i < N; i++)
		if (R[i] == 0)
			return i;
	return 0;
}
 
int maxValue(int N, int W){
    int k = N;
	for (int i = 0; i < N; i++)
		mark[i] = 0;
	while (k > 1){
		int cost = min(13, W/k);
		for (int i = 0; i < N; i++){
			if (!mark[i])
				B[i] = cost;
			else
				B[i] = 0;
		}
		playRound(B, R);
		for (int i = 0; i < N; i++)
			if (!mark[i] and R[i] <= B[i])
				mark[i] = 1;
		k = 0;
		for (int i = 0; i < N; i++)
			if (mark[i] == 0)
				k ++;
	}
	for (int i = 0; i < N; i++)
		if (!mark[i])
			return i;
	return 0;
}
 
int v = 0, u = 1;
 
int greaterValue(int N, int W){
	int lo = 0, hi = 14*W/100;
	while (hi - lo > 1){
		int mid = (lo + hi) >> 1;
		for (int i = 0; i < N; i++)
			B[i] = W/N - 1;
		B[v] = B[u] = mid * (W / N);
		playRound(B, R);
		bool fi = (R[v] > B[v]);
		bool se = (R[u] > B[u]);
		if (fi == se){
			if (fi == 1)
				lo = mid;
			else
				hi = mid;
		}
		else
			return se;
	}
	return 0;
}
 
int GlobW;
 
bool cmp(int fi, int se){
	if (fi == se)
		return false;
	v = fi, u = se;
	return greaterValue(100, GlobW);
}
 
int T[100];
 
void allValues(int N, int W, int *P) {
    GlobW = W;
	if (W == 2*N) {
    	for (int i = 0; i < N; i++)
			T[i] = i;
		sort(T, T + N, cmp);
		for (int i = 0; i < N; i++)
			P[T[i]] = i + 1;
	}
	else {
    	for (int i = 0; i < N; i++)
			T[i] = i;
		sort(T, T + N, cmp);
		for (int i = 0; i < N; i++)
			P[T[i]] = i + 1;
    }
}
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