답안 #828394

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
828394	2023-08-17T09:11:41 Z	tolbi	고대 책들 (IOI17_books)	C++17	50 / 100	304 ms	24900 KB

books

#include <bits/stdc++.h>
using namespace std;
#include "books.h"
long long minimum_walk(std::vector<int> p, int s) {
	int n = p.size();
	vector<bool> vis(n,false);
	vector<pair<int,int>> hehe;
	for (int i = 0; i < n; i++){
		if (vis[i]) continue;
		int node = i;
		if (p[node]==node) continue;
		while (!vis[node]){
			vis[node]=true;
			hehe.push_back({min(node,p[node]),1});
			hehe.push_back({max(node,p[node]),-1});
			node=p[node];
		}
	}
	sort(hehe.begin(), hehe.end());
	long long ans = 0;
	int crr = 0;
	int indi = 0;
	for (int i = s; i < n-1; i++){
		while (indi<hehe.size() && hehe[indi].first<=i){
			crr+=hehe[indi].second;
			indi++;
		}
		if (indi!=hehe.size() && crr==0){
			ans+=2;
		}
		if (crr>0) ans+=crr;
	}

	sort(hehe.rbegin(), hehe.rend());
	crr = 0;
	indi = 0;
	for (int i = s; i >= 0; i--){
		while (indi<hehe.size() && hehe[indi].first>=i){
			crr-=hehe[indi].second;
			indi++;
		}
		if (indi!=hehe.size() && crr==0){
			ans+=2;
		}
		if (crr>0) ans+=crr;
	}
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:24:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |   while (indi<hehe.size() && hehe[indi].first<=i){
      |          ~~~~^~~~~~~~~~~~
books.cpp:28:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if (indi!=hehe.size() && crr==0){
      |       ~~~~^~~~~~~~~~~~~
books.cpp:38:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |   while (indi<hehe.size() && hehe[indi].first>=i){
      |          ~~~~^~~~~~~~~~~~
books.cpp:42:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   if (indi!=hehe.size() && crr==0){
      |       ~~~~^~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct
9	Correct	212 KB	Output is correct
10	Correct	212 KB	Output is correct
11	Correct	212 KB	Output is correct
12	Correct	212 KB	Output is correct
13	Correct	212 KB	Output is correct
14	Correct	212 KB	Output is correct
15	Correct	212 KB	Output is correct
16	Correct	212 KB	Output is correct
17	Correct	212 KB	Output is correct
18	Correct	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	304 ms	24784 KB	Output is correct
31	Correct	304 ms	24788 KB	Output is correct
32	Correct	69 ms	8184 KB	Output is correct
33	Correct	123 ms	16568 KB	Output is correct
34	Correct	120 ms	16488 KB	Output is correct
35	Correct	160 ms	24744 KB	Output is correct
36	Correct	184 ms	24784 KB	Output is correct
37	Correct	213 ms	24796 KB	Output is correct
38	Correct	242 ms	24756 KB	Output is correct
39	Correct	236 ms	24788 KB	Output is correct
40	Correct	257 ms	24756 KB	Output is correct
41	Correct	290 ms	24900 KB	Output is correct
42	Correct	275 ms	24800 KB	Output is correct
43	Correct	176 ms	16472 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	212 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	304 ms	24784 KB	Output is correct
31	Correct	304 ms	24788 KB	Output is correct
32	Correct	69 ms	8184 KB	Output is correct
33	Correct	123 ms	16568 KB	Output is correct
34	Correct	120 ms	16488 KB	Output is correct
35	Correct	160 ms	24744 KB	Output is correct
36	Correct	184 ms	24784 KB	Output is correct
37	Correct	213 ms	24796 KB	Output is correct
38	Correct	242 ms	24756 KB	Output is correct
39	Correct	236 ms	24788 KB	Output is correct
40	Correct	257 ms	24756 KB	Output is correct
41	Correct	290 ms	24900 KB	Output is correct
42	Correct	275 ms	24800 KB	Output is correct
43	Correct	176 ms	16472 KB	Output is correct
44	Incorrect	0 ms	212 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #828394

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