Submission #297022

#	Time	Username	Problem	Language	Result	Execution time	Memory
297022		Gurban	Ancient Books (IOI17_books)	C++17	12 / 100	1 ms	384 KiB

books

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

long long minimum_walk(vector<int> p, int s) {
	if(s == 0){
		if(p.size()==1) return 0;
		else if(p.size()==2){
			if(p[0] != 0) return 2;
			return 0;
		}
		else if(p.size()==3){
			vector<int> v={0,1,2};
			if(p==v) return 0;
			v={0,2,1};
			if(p==v) return 4;
			v={1,0,2};
			if(p==v) return 2;
			v={1,2,0};
			if(p==v) return 4;
			v={2,0,1};
			if(p==v) return 4;
			v={2,1,0};
			if(p==v) return 4;
		}
		else {
			vector<int> v={0,1,2,3};
			if(p==v) return 0;
			v={0,1,3,2};
			if(p==v) return 6;
			v={0,2,1,3};
			if(p==v) return 4;
			v={0,2,3,1};
			if(p==v) return 6;
			v={0,3,1,2};
			if(p==v) return 6;
			v={0,3,2,1};
			if(p==v) return 6;
			v={1,0,2,3};
			if(p==v) return 2;
			v={1,0,3,2};
			if(p==v) return 8;
			v={1,2,0,3};
			if(p==v) return 4;
			v={1,2,3,0};
			if(p==v) return 6;
			v={1,3,0,2};
			if(p==v) return 6;
			v={1,3,2,0};
			if(p==v) return 6;
			v={2,0,1,3};
			if(p==v) return 4;
			v={2,0,3,1};
			if(p==v) return 6;
			v={2,1,0,3};
			if(p==v) return 4;
			v={2,1,3,0};
			if(p==v) return 6;
			v={2,3,0,1};
			if(p==v) return 10;
			v={2,3,1,0};
			if(p==v) return 8;
			v={3,0,1,2};
			if(p==v) return 6;
			v={3,0,2,1};
			if(p==v) return 6;
			v={3,1,0,2};
			if(p==v) return 6;
			v={3,1,2,0};
			if(p==v) return 6;
			v={3,2,0,1};
			if(p==v) return 8;
			v={3,2,1,0};
			if(p==v) return 8;
		}
	}
	return 0;
}

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