Submission #74203

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
74203	2018-08-30T12:57:02 Z	nvmdava	Ancient Books (IOI17_books)	C++17	50 / 100	266 ms	107808 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
int r = 0;
vector<int> p;
bool in[1000001];
void go(int v){
	if(in[v] == 1){
		return;
	}
	in[v] = 1;
	r = max(r, v);
	go(p[v]);
}

long long minimum_walk(vector<int> p, int s) {
	::p = p;
	int q = 0;
	long long ans = 0;
	for(int i = 0; i < p.size(); i++){
		ans += (long long)abs(i - p[i]);
		if(in[i] || p[i] == i) continue;
		if(r < i){
			ans += (long long)(i - r) * 2;
		}
		go(i);
	}
	
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++){
                 ~~^~~~~~~~~~
books.cpp:18:6: warning: unused variable 'q' [-Wunused-variable]
  int q = 0;
      ^

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	508 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	2 ms	508 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	524 KB	Output is correct
8	Correct	2 ms	524 KB	Output is correct
9	Correct	2 ms	524 KB	Output is correct
10	Correct	2 ms	524 KB	Output is correct
11	Correct	2 ms	536 KB	Output is correct
12	Correct	2 ms	580 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	620 KB	Output is correct
18	Correct	2 ms	620 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	508 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	2 ms	508 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	524 KB	Output is correct
8	Correct	2 ms	524 KB	Output is correct
9	Correct	2 ms	524 KB	Output is correct
10	Correct	2 ms	524 KB	Output is correct
11	Correct	2 ms	536 KB	Output is correct
12	Correct	2 ms	580 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	620 KB	Output is correct
18	Correct	2 ms	620 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	636 KB	Output is correct
21	Correct	2 ms	636 KB	Output is correct
22	Correct	2 ms	760 KB	Output is correct
23	Correct	2 ms	760 KB	Output is correct
24	Correct	2 ms	760 KB	Output is correct
25	Correct	2 ms	760 KB	Output is correct
26	Correct	2 ms	760 KB	Output is correct
27	Correct	2 ms	760 KB	Output is correct
28	Correct	2 ms	760 KB	Output is correct
29	Correct	3 ms	760 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	508 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	2 ms	508 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	524 KB	Output is correct
8	Correct	2 ms	524 KB	Output is correct
9	Correct	2 ms	524 KB	Output is correct
10	Correct	2 ms	524 KB	Output is correct
11	Correct	2 ms	536 KB	Output is correct
12	Correct	2 ms	580 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	620 KB	Output is correct
18	Correct	2 ms	620 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	636 KB	Output is correct
21	Correct	2 ms	636 KB	Output is correct
22	Correct	2 ms	760 KB	Output is correct
23	Correct	2 ms	760 KB	Output is correct
24	Correct	2 ms	760 KB	Output is correct
25	Correct	2 ms	760 KB	Output is correct
26	Correct	2 ms	760 KB	Output is correct
27	Correct	2 ms	760 KB	Output is correct
28	Correct	2 ms	760 KB	Output is correct
29	Correct	3 ms	760 KB	Output is correct
30	Correct	266 ms	20072 KB	Output is correct
31	Correct	199 ms	26880 KB	Output is correct
32	Correct	141 ms	32600 KB	Output is correct
33	Correct	148 ms	40384 KB	Output is correct
34	Correct	149 ms	47076 KB	Output is correct
35	Correct	160 ms	53872 KB	Output is correct
36	Correct	172 ms	60596 KB	Output is correct
37	Correct	152 ms	67340 KB	Output is correct
38	Correct	163 ms	74164 KB	Output is correct
39	Correct	160 ms	80832 KB	Output is correct
40	Correct	170 ms	87552 KB	Output is correct
41	Correct	204 ms	94320 KB	Output is correct
42	Correct	190 ms	101072 KB	Output is correct
43	Correct	153 ms	107808 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 ms	107808 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	508 KB	Output is correct
3	Correct	2 ms	508 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	2 ms	508 KB	Output is correct
6	Correct	2 ms	516 KB	Output is correct
7	Correct	2 ms	524 KB	Output is correct
8	Correct	2 ms	524 KB	Output is correct
9	Correct	2 ms	524 KB	Output is correct
10	Correct	2 ms	524 KB	Output is correct
11	Correct	2 ms	536 KB	Output is correct
12	Correct	2 ms	580 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Correct	2 ms	620 KB	Output is correct
15	Correct	2 ms	620 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	2 ms	620 KB	Output is correct
18	Correct	2 ms	620 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	636 KB	Output is correct
21	Correct	2 ms	636 KB	Output is correct
22	Correct	2 ms	760 KB	Output is correct
23	Correct	2 ms	760 KB	Output is correct
24	Correct	2 ms	760 KB	Output is correct
25	Correct	2 ms	760 KB	Output is correct
26	Correct	2 ms	760 KB	Output is correct
27	Correct	2 ms	760 KB	Output is correct
28	Correct	2 ms	760 KB	Output is correct
29	Correct	3 ms	760 KB	Output is correct
30	Correct	266 ms	20072 KB	Output is correct
31	Correct	199 ms	26880 KB	Output is correct
32	Correct	141 ms	32600 KB	Output is correct
33	Correct	148 ms	40384 KB	Output is correct
34	Correct	149 ms	47076 KB	Output is correct
35	Correct	160 ms	53872 KB	Output is correct
36	Correct	172 ms	60596 KB	Output is correct
37	Correct	152 ms	67340 KB	Output is correct
38	Correct	163 ms	74164 KB	Output is correct
39	Correct	160 ms	80832 KB	Output is correct
40	Correct	170 ms	87552 KB	Output is correct
41	Correct	204 ms	94320 KB	Output is correct
42	Correct	190 ms	101072 KB	Output is correct
43	Correct	153 ms	107808 KB	Output is correct
44	Incorrect	2 ms	107808 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #74203

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0