제출 #216207

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
216207		MODDI	Cave (IOI13_cave)	C++14	46 / 100	51 ms	24960 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vll vector<pll>
#define vii vector<pii>
using namespace std;
 
void exploreCave(int n){
	int arr[n], door[n];
	memset(arr, 0, sizeof(arr));
	memset(door,-1,sizeof(door));
	bool vis[n][n];
	memset(vis,false,sizeof(vis));
	bool vis1[n];
	memset(vis1,false,sizeof(vis1));
	while(true){
		int pos = tryCombination(arr);
		if(pos == -1){
			break;
		}
		else if(vis1[pos])
		{
			int random;
			for(int i = 0; i < n; i++){
				if(vis[pos][i] == false){
					vis[pos][i] = true;
					random = i;
					break;
				}
				else
					continue;
			}
			arr[random] = 1 - arr[random];
			int pl = tryCombination(arr);
			if(pl == -1)
				break;
			
			if(pl <= pos)
				arr[random] = 1 - arr[random];
			else{
				door[random] = pos;
				vis1[pl] = true;
			}
		}
		else{
		arr[pos] = 1 - arr[pos];
		vis1[pos] = true;
		}
	}
	for(int i = 0; i < n; i++){
		if(door[i] != -1)
			continue;
			
		arr[i] = 1 - arr[i];
		int pos = tryCombination(arr);
		//for(int j = 0; j < n;j++)
		//	cout<<arr[j]<<" ";
			
		//cout<<pos<<endl;
		door[i] = pos;
		arr[i] = 1 - arr[i];
	}
	answer(arr, door);
}

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:27:8: warning: 'random' may be used uninitialized in this function [-Wmaybe-uninitialized]
    int random;
        ^~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 13 / 13
• Subtask 3: 21 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24