oj.uz

Submission #73439

# Submission time Handle Problem Language Result Execution time Memory
73439 2018-08-28T09:17:30 Z SmsS Ancient Books (IOI17_books) C++14
0 / 100
 3 ms 544 KB 
#include<bits/stdc++.h>
using namespace std;
#define for2(a,b,c) for(int a = b; a < c; a++)
#include "books.h"
#define ll long long
long long minimum_walk(std::vector<int> p, int s) {
//	if(s != 0) return 0;
	ll res = 0;
	int n = p.size();
	for2(i,0,n) res += abs(i-p[i]);
	vector<int> cmp(n,-1);
	vector<int> sz(n,-1);
	int cnt = 0;
	for2(i,0,n) if(cmp[i] == -1){
		int l = min(i,p[i]);
		int r = max(i,p[i]);
		int L = i;
		int R = i;
		while(L != l || R != r){
			while(l < L){
				L--;
				l = min(l,p[L]);
				r = max(r,p[L]);
			}
			while(R < r){
				R++;
				l = min(l,p[R]);
				r = max(r,p[R]);
			}

		}
		for2(i,l,r+1){
			sz[i] = r-l+1;
			cmp[i] = cnt;
		}
		cnt++;
		res += 2;
	}
//	for2(i,0,n) cout << cmp[i] << ' ';
//	cout << endl;
	res -= 2;
/*	for(int i = n-1; i > s; i--){
		if(sz[i] != 1) break;
		res -= 2;
	}
	for2(i,0,n){
		if(sz[i] != 1 || i == s) break;
		res -= 2;
	}*/
	return res;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Incorrect 3 ms 468 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 2 ms 252 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Incorrect 3 ms 468 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 2 ms 252 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Incorrect 3 ms 468 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 2 ms 544 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 2 ms 252 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Incorrect 3 ms 468 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -