oj.uz

Submission #1030400

# Submission time Handle Problem Language Result Execution time Memory
1030400 2024-07-22T04:45:38 Z vjudge1 Ancient Books (IOI17_books) C++17
50 / 100
 98 ms 23516 KB 
#include "books.h"
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<(n); i++)
#define rng(i,l,r) for(int i=(l); i<(r); i++)
#define all(x) x.begin(),x.end()
using ll=long long;

long long minimum_walk(std::vector<int> p, int s) {
	int n=p.size();
	vector<int> vis(n,0);
	ll ans=0;
	vector<pair<int,int>> seg;
	rep(i,n){
		if(vis[i])continue;
		if(p[i]==i&&i!=s)continue;
		int lf=i;
		int ri=i;
		int pos=i;
		while(!vis[p[pos]]){
			ans+=abs(pos-p[pos]);
			pos=p[pos];
			vis[pos]=1;
			lf=min(lf,pos);
			ri=max(ri,pos);
		}
		seg.emplace_back(lf,ri);
	}
	sort(all(seg));
	vector<pair<int,int>> re={seg[0]};
	rng(i,1,seg.size()){
		if(seg[i].first<=re.back().second){
			re.back().second=max(re.back().second,seg[i].second);
		}
		else{
			re.emplace_back(seg[i]);
		}
	}
	rep(i,re.size()-1){
		ans+=2*(re[i+1].first-re[i].second);
	}
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:5:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rng(i,l,r) for(int i=(l); i<(r); i++)
      |                                    ^
books.cpp:31:2: note: in expansion of macro 'rng'
   31 |  rng(i,1,seg.size()){
      |  ^~~
books.cpp:4:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(i,n) for(int i=0; i<(n); i++)
      |                                ^
books.cpp:39:2: note: in expansion of macro 'rep'
   39 |  rep(i,re.size()-1){
      |  ^~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 352 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 352 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 0 ms 348 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 352 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 352 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 98 ms 18772 KB Output is correct
31 Correct 89 ms 18776 KB Output is correct
32 Correct 67 ms 18776 KB Output is correct
33 Correct 77 ms 23488 KB Output is correct
34 Correct 77 ms 23492 KB Output is correct
35 Correct 83 ms 23516 KB Output is correct
36 Correct 79 ms 21596 KB Output is correct
37 Correct 70 ms 19232 KB Output is correct
38 Correct 68 ms 18772 KB Output is correct
39 Correct 68 ms 18772 KB Output is correct
40 Correct 74 ms 18912 KB Output is correct
41 Correct 83 ms 18776 KB Output is correct
42 Correct 83 ms 18772 KB Output is correct
43 Correct 77 ms 21072 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 352 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 352 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 98 ms 18772 KB Output is correct
31 Correct 89 ms 18776 KB Output is correct
32 Correct 67 ms 18776 KB Output is correct
33 Correct 77 ms 23488 KB Output is correct
34 Correct 77 ms 23492 KB Output is correct
35 Correct 83 ms 23516 KB Output is correct
36 Correct 79 ms 21596 KB Output is correct
37 Correct 70 ms 19232 KB Output is correct
38 Correct 68 ms 18772 KB Output is correct
39 Correct 68 ms 18772 KB Output is correct
40 Correct 74 ms 18912 KB Output is correct
41 Correct 83 ms 18776 KB Output is correct
42 Correct 83 ms 18772 KB Output is correct
43 Correct 77 ms 21072 KB Output is correct
44 Incorrect 1 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -