Submission #175790

#	Time	Username	Problem	Language	Result	Execution time	Memory
175790		Saboon	코알라 (APIO17_koala)	C++14	37 / 100	59 ms	860 KiB

koala

#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 greaterValue(int N, int W) {
	int lo = 0, hi = 14;
	while (hi - lo > 1){
		int mid = (lo + hi) >> 1;
		for (int i = 0; i < N; i++)
			B[i] = 0;
		B[0] = B[1] = mid;
		playRound(B, R);
		bool fi = (R[0] > B[0]);
		bool se = (R[1] > B[1]);
		if (fi == se){
			if (fi == 1)
				lo = mid;
			else
				hi = mid;
		}
		else
			return se;
	}
	return 0;
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        // TODO: Implement Subtask 4 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 18 / 18
• Subtask 4: 0 / 10
• Subtask 5: 0 / 53