Submission #65765

# Submission time Handle Problem Language Result Execution time Memory
65765 2018-08-08T17:38:26 Z MatheusLealV Ancient Books (IOI17_books) C++17
12 / 100
3 ms 624 KB
#include "books.h"
#define N 1000005
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

ll ans = 0;

ll n, maior[N], qtd = 0, ok[N], en;

vector<int> g;

void dfs(ll x, ll &mx)
{
	mx = max(mx, maior[x]);

	if(ok[x]) return;

	ok[x] = 1;

	dfs(g[x], mx);
}

ll minimum_walk(vector<int> p, int s)
{
	n = p.size();

	g = p;

	for(ll i = 0; i < n; i++) ans += abs(i - p[i]);

	for(int i = 0; i < n; i++) maior[i] = i;

	for(ll i = 0; i < n; i++) dfs(i, maior[i]);

	for(ll i = n - 1; i >= 0; i--)
	{
		if(p[i] != i)
		{
			en = i;

			break;
		}
	}

	ll pos = 0, qtd = 0;

	while(pos <= en)
	{
		pos = maior[pos] + 1;

		qtd ++;
	}

	return ans + 2*(qtd - 1);
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 592 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 608 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 592 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 608 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Incorrect 2 ms 624 KB 3rd lines differ - on the 1st token, expected: '338572', found: '338578'
20 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 592 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 608 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Incorrect 2 ms 624 KB 3rd lines differ - on the 1st token, expected: '338572', found: '338578'
20 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 624 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 592 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 608 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 608 KB Output is correct
16 Correct 2 ms 608 KB Output is correct
17 Correct 2 ms 608 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Incorrect 2 ms 624 KB 3rd lines differ - on the 1st token, expected: '338572', found: '338578'
20 Halted 0 ms 0 KB -