Submission #99178

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
99178	2019-03-01T14:04:18 Z	figter001	Ancient Books (IOI17_books)	C++17	12 / 100	2000 ms	332228 KB

books

#include "books.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;

int ans;
map<pair<int,pair<int,pair<int,pair<int,vector<int>>>>>,int> mp;

void calc(int idx,vector<int> c,int cst,int h,int l){
	if(cst > ans || idx < 0 || idx >= c.size())return;
	if(mp[{idx,{cst,{h,{l,c}}}}] == 1)return;
	mp[{idx,{cst,{h,{l,c}}}}] = 1;
	bool f = 1;
	for(int i = 0;i<c.size();i++)
		if(i != c[i])
			f = 0;
	if(f && idx == 0){
		ans = min(cst,ans);
		return;
	}
	calc(idx+1,c,cst+1,h,1);
	calc(idx-1,c,cst+1,h,1);
	swap(h,c[idx]);
	if(l)
		calc(idx,c,cst,h,0);
	calc(idx+1,c,cst+1,h,1);
	calc(idx-1,c,cst+1,h,1);
}


ll minimum_walk(vector<int> p, int s) {
	ans = 10;
	calc(s,p,0,-1,0);
	return ans;
}

Compilation message

books.cpp: In function 'void calc(int, std::vector<int>, int, int, int)':
books.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(cst > ans || idx < 0 || idx >= c.size())return;
                             ~~~~^~~~~~~~~~~
books.cpp:18:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0;i<c.size();i++)
                ~^~~~~~~~~

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	5 ms	512 KB	Output is correct
3	Correct	6 ms	640 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	5 ms	512 KB	Output is correct
6	Correct	6 ms	640 KB	Output is correct
7	Correct	7 ms	640 KB	Output is correct
8	Correct	7 ms	640 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	9 ms	640 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	5 ms	512 KB	Output is correct
16	Correct	6 ms	640 KB	Output is correct
17	Correct	5 ms	512 KB	Output is correct
18	Correct	4 ms	512 KB	Output is correct

Subtask #2

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	5 ms	512 KB	Output is correct
3	Correct	6 ms	640 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	5 ms	512 KB	Output is correct
6	Correct	6 ms	640 KB	Output is correct
7	Correct	7 ms	640 KB	Output is correct
8	Correct	7 ms	640 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	9 ms	640 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	5 ms	512 KB	Output is correct
16	Correct	6 ms	640 KB	Output is correct
17	Correct	5 ms	512 KB	Output is correct
18	Correct	4 ms	512 KB	Output is correct
19	Incorrect	441 ms	135272 KB	3rd lines differ - on the 1st token, expected: '338572', found: '10'
20	Halted	0 ms	0 KB	-

Subtask #3

0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	5 ms	512 KB	Output is correct
3	Correct	6 ms	640 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	5 ms	512 KB	Output is correct
6	Correct	6 ms	640 KB	Output is correct
7	Correct	7 ms	640 KB	Output is correct
8	Correct	7 ms	640 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	9 ms	640 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	5 ms	512 KB	Output is correct
16	Correct	6 ms	640 KB	Output is correct
17	Correct	5 ms	512 KB	Output is correct
18	Correct	4 ms	512 KB	Output is correct
19	Incorrect	441 ms	135272 KB	3rd lines differ - on the 1st token, expected: '338572', found: '10'
20	Halted	0 ms	0 KB	-

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2059 ms	332228 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	5 ms	512 KB	Output is correct
3	Correct	6 ms	640 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	5 ms	512 KB	Output is correct
6	Correct	6 ms	640 KB	Output is correct
7	Correct	7 ms	640 KB	Output is correct
8	Correct	7 ms	640 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	9 ms	640 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	5 ms	512 KB	Output is correct
16	Correct	6 ms	640 KB	Output is correct
17	Correct	5 ms	512 KB	Output is correct
18	Correct	4 ms	512 KB	Output is correct
19	Incorrect	441 ms	135272 KB	3rd lines differ - on the 1st token, expected: '338572', found: '10'
20	Halted	0 ms	0 KB	-