oj.uz

Submission #705780

# Submission time Handle Problem Language Result Execution time Memory
705780 2023-03-05T08:47:55 Z Abrar_Al_Samit Ancient Books (IOI17_books) C++17
0 / 100
 1 ms 1236 KB 
#include <bits/stdc++.h>
using namespace std;

const int nax = 1e6;
bool vis[nax];
int n;
long long minimum_walk(vector<int>p, int s) {
	long long ans = 0;
	n = p.size();

	for(int i=0; i<n; ++i) {
		if(vis[i]) continue;
		if(i==p[i]) continue;

		int j = i;
		while(1) {
			if(vis[j]) break;
			vis[j] = 1;
			ans += abs(j-p[j]);
			j = p[j];
		}
	}

	int fur = -1;
	int cnt = 0;
	memset(vis, 0, sizeof vis);
	for(int i=0; i<n; ++i) if(!vis[i]) {
		if(i>fur) {
			++cnt;
		}
		int j = i;
		while(1) {
			if(vis[j]) break;
			vis[j] = true;
			fur = max(j, fur);
			j = p[j];
		}
	}
	ans += (cnt-1) * 2;
	return ans;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB Output is correct
2 Correct 1 ms 1236 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Incorrect 1 ms 1236 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB Output is correct
2 Correct 1 ms 1236 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Incorrect 1 ms 1236 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB Output is correct
2 Correct 1 ms 1236 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Incorrect 1 ms 1236 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1236 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 1 ms 1236 KB Output is correct
2 Correct 1 ms 1236 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Incorrect 1 ms 1236 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -