oj.uz

Submission #62626

# Submission time Handle Problem Language Result Execution time Memory
62626 2018-07-29T12:52:05 Z Tenuun Ancient Books (IOI17_books) C++17
0 / 100
 4 ms 792 KB 
#include<bits/stdc++.h>

using namespace std;

bool vis[1000001]={false};
long long res=0, k;
vector<int>v;

void dfs(int u){
	vis[u]=true;
	res+=abs(v[u]-u);
	if(v[u]==k) return;
	dfs(v[u]);
}

long long minimum_walk(std::vector<int> p, int s) {
	int last=0;
	v=p;
	for(int i=0; i<p.size(); i++){
		if(i==p[i]) vis[i]=true;
	}
	for(int i=0; i<p.size(); i++){
		if(vis[i]) continue;
		res+=i-last;
		k=i;
		dfs(i);
		last=i;
	}
	return res+last;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<p.size(); i++){
               ~^~~~~~~~~
books.cpp:22:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<p.size(); i++){
               ~^~~~~~~~~

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 4 ms 488 KB Output is correct
3 Correct 3 ms 488 KB Output is correct
4 Correct 3 ms 656 KB Output is correct
5 Correct 4 ms 792 KB Output is correct
6 Incorrect 3 ms 792 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 4 ms 488 KB Output is correct
3 Correct 3 ms 488 KB Output is correct
4 Correct 3 ms 656 KB Output is correct
5 Correct 4 ms 792 KB Output is correct
6 Incorrect 3 ms 792 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 4 ms 488 KB Output is correct
3 Correct 3 ms 488 KB Output is correct
4 Correct 3 ms 656 KB Output is correct
5 Correct 4 ms 792 KB Output is correct
6 Incorrect 3 ms 792 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 792 KB 3rd lines differ - on the 1st token, expected: '3304', found: '4728'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 4 ms 488 KB Output is correct
3 Correct 3 ms 488 KB Output is correct
4 Correct 3 ms 656 KB Output is correct
5 Correct 4 ms 792 KB Output is correct
6 Incorrect 3 ms 792 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -