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Submission #283180

# Submission time Handle Problem Language Result Execution time Memory
283180 2020-08-25T10:58:38 Z MohamedAhmed04 Ancient Books (IOI17_books) C++14
0 / 100
 1 ms 384 KB 
#include <bits/stdc++.h>
#include "books.h"
//#include "grader.cpp"

using namespace std ;

const int MAX = 1e6 + 10 ;

int n ;

int to[MAX] ;
int vis[MAX] ;
long long cost[MAX] ;

long long dfs(int node)
{
	if(vis[node])
		return 0ll ;
	vis[node] = 1 ;
	return (dfs(to[node]) + abs(to[node] - node)) ;
}

long long minimum_walk(std::vector<int> p, int s) 
{
	n = p.size() ;
	for(int i = 0 ; i < n ; ++i)
		to[i] = p[i] ;
	for(int i = 0 ; i < n ; ++i)
	{
		if(vis[i])
			continue ;
		cost[i] = dfs(i) ;
	}
	long long ans = 0 ;
	for(int i = 0 ; i < n ; ++i)
		ans += cost[i] ;
	for(int i = n-1 ; i >= 0 ; --i)
	{
		if(cost[i])
			ans += i * 2ll ;
	}
	return ans ;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Incorrect 1 ms 384 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 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Incorrect 1 ms 384 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 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Incorrect 1 ms 384 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 1 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '177794'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Incorrect 1 ms 384 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -