제출 #977079

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
977079		siewjh	코알라 (APIO17_koala)	C++17	37 / 100	56 ms	476 KiB

koala

#include "koala.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 105;
int qa[MAXN], ra[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 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.
    }
}

컴파일 시 표준 에러 (stderr) 메시지

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