Submission #136678

#	Time	Username	Problem	Language	Result	Execution time	Memory
136678		Boxworld	Ancient Books (IOI17_books)	C++14	0 / 100	2 ms	380 KiB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
long long minimum_walk(std::vector<int> p, int s) {
	int n=p.size();
	if (s==0){
		if (n==1)return 0;
		if (n==2){
			if (p[0]==0)return 0;
			else return 2;
		}
		if (n==3){
			if (p[0]==0&&p[1]==1)return 0;
			if (p[0]==0&&p[1]==2)return 4;
			if (p[0]==1&&p[1]==0)return 2;
			if (p[0]==1&&p[1]==2)return 4;
			if (p[0]==2&&p[1]==0)return 4;
			if (p[0]==2&&p[1]==1)return 4;
		}else if (n==4){
			if (p[0]==0&&p[1]==1&&p[2]==2)return 0;
			if (p[0]==0&&p[1]==1&&p[2]==3)return 6;
			if (p[0]==0&&p[1]==2&&p[2]==1)return 4;
			if (p[0]==0&&p[1]==2&&p[2]==3)return 6;
			if (p[0]==0&&p[1]==3&&p[2]==1)return 6;
			if (p[0]==0&&p[1]==3&&p[2]==2)return 6;
			
			if (p[0]==1&&p[1]==0&&p[2]==2)return 2;
			if (p[0]==1&&p[1]==0&&p[2]==3)return 6;
			if (p[0]==1&&p[1]==2&&p[2]==0)return 4;
			if (p[0]==1&&p[1]==2&&p[2]==3)return 6;
			if (p[0]==1&&p[1]==3&&p[2]==0)return 6;
			if (p[0]==1&&p[1]==3&&p[2]==2)return 6;
			
			if (p[0]==2&&p[1]==0&&p[2]==1)return 4;
			if (p[0]==2&&p[1]==0&&p[2]==3)return 6;
			if (p[0]==2&&p[1]==1&&p[2]==0)return 4;
			if (p[0]==2&&p[1]==1&&p[2]==3)return 6;
			if (p[0]==2&&p[1]==3&&p[2]==0)return 6;
			if (p[0]==2&&p[1]==3&&p[2]==1)return 6;
		
			if (p[0]==3&&p[1]==0&&p[2]==1)return 8;
			if (p[0]==3&&p[1]==0&&p[2]==2)return 6;
			if (p[0]==3&&p[1]==1&&p[2]==0)return 6;
			if (p[0]==3&&p[1]==1&&p[2]==2)return 6;
			if (p[0]==3&&p[1]==2&&p[2]==0)return 8;
			if (p[0]==3&&p[1]==2&&p[2]==1)return 8;
		}
	}
}

Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:49:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 0 / 12
• Subtask 2: 0 / 10
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30