답안 #542829

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
542829	2022-03-28T07:29:36 Z	zggf	고대 책들 (IOI17_books)	C++14	50 / 100	191 ms	28800 KB

books

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

using namespace std;

vector<int> parent, ranga;

int find(int x){
	if(parent[x]==-1) return x;
	parent[x] = find(parent[x]);
	return parent[x];
}

void join(int a, int b){
	a = find(a);
	b = find(b);
	if(a==b) return;
	if(ranga[a]>ranga[b]){
		parent[b] = a;
	}else if(ranga[b]>ranga[a]){
		parent[a] = b;
	}else{
		parent[b] = a;
		ranga[a]++;
	}
}

long long minimum_walk(std::vector<int> p, int s) {
	int n = p.size();
	vector<int> odw(n);
	parent.resize(n, -1);
	ranga.resize(n);
	long long wyn = 0;
	vector<pair<int, int>> inp;
	for(int i = 0; i < n; i++){
		int pt = i;
		if(!odw[pt]){
			if(p[pt]!=pt){
				int mini = 1e9;
				int maxi = -1e9;
				while(!odw[pt]){
					mini = min(mini, pt);
					maxi = max(maxi, pt);
					odw[pt] = true;
					wyn+=abs(p[pt]-pt);
					pt = p[pt];	
				}
				inp.push_back({mini, maxi});
			}else{
			       	odw[pt] = true;
			}
		}
	}
	inp.push_back({s, s});
	sort(inp.begin(), inp.end());
	int dal = 0;
	for(int i = 0; i < inp.size()-1; i++){
		dal = max(dal, inp[i].second);
		while(inp[i+1].first<dal){
			i++;
			dal = max(dal, inp[i].second);
			if(i==inp.size()-1) break;
		}
		if(i<inp.size()-1){
			wyn+=2*(inp[i+1].first-dal);	
		}
	}
	return wyn;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:57:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |  for(int i = 0; i < inp.size()-1; i++){
      |                 ~~^~~~~~~~~~~~~~
books.cpp:62:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |    if(i==inp.size()-1) break;
      |       ~^~~~~~~~~~~~~~
books.cpp:64:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |   if(i<inp.size()-1){
      |      ~^~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

#	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	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 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	300 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	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 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	300 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	300 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 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	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 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	300 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	300 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	153 ms	26616 KB	Output is correct
31	Correct	191 ms	26616 KB	Output is correct
32	Correct	123 ms	26600 KB	Output is correct
33	Correct	129 ms	28760 KB	Output is correct
34	Correct	135 ms	28764 KB	Output is correct
35	Correct	164 ms	28764 KB	Output is correct
36	Correct	133 ms	28800 KB	Output is correct
37	Correct	112 ms	26988 KB	Output is correct
38	Correct	120 ms	26604 KB	Output is correct
39	Correct	153 ms	26596 KB	Output is correct
40	Correct	118 ms	26584 KB	Output is correct
41	Correct	131 ms	26572 KB	Output is correct
42	Correct	133 ms	26604 KB	Output is correct
43	Correct	168 ms	28756 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	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 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	300 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	300 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	153 ms	26616 KB	Output is correct
31	Correct	191 ms	26616 KB	Output is correct
32	Correct	123 ms	26600 KB	Output is correct
33	Correct	129 ms	28760 KB	Output is correct
34	Correct	135 ms	28764 KB	Output is correct
35	Correct	164 ms	28764 KB	Output is correct
36	Correct	133 ms	28800 KB	Output is correct
37	Correct	112 ms	26988 KB	Output is correct
38	Correct	120 ms	26604 KB	Output is correct
39	Correct	153 ms	26596 KB	Output is correct
40	Correct	118 ms	26584 KB	Output is correct
41	Correct	131 ms	26572 KB	Output is correct
42	Correct	133 ms	26604 KB	Output is correct
43	Correct	168 ms	28756 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 #542829

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