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Submission #17250

# Submission time Handle Problem Language Result Execution time Memory
17250 2015-11-10T14:47:39 Z erdemkiraz Gondola (IOI14_gondola) C++
75 / 100
 67 ms 6924 KB 
#include <bits/stdc++.h>

using namespace std;

#define type(x) __typeof((x).begin())
#define foreach(it, x) for(type(x) it = (x).begin(); it != (x).end(); it++)
typedef long long ll;
typedef pair < int, int > ii;

const int inf = 1e9 + 333;
const ll linf = 1e18 + inf;

#include "gondola.h"

int valid(int n, int inputSeq[]) {
	int ind = -1, x = -1;
	for(int i = 0; i < n; i++) {
		if(inputSeq[i] <= n) {
			ind = i;
			x = inputSeq[i];
			break;
		}
	}
	for(int i = ind + 1; i < n; i++) {
		if(inputSeq[i] <= n and (x + i - ind - 1) % n + 1 != inputSeq[i])
			return 0;
	}
	set < int > s;
	for(int i = 0; i < n; i++)
		s.insert(inputSeq[i]);
	return s.size() == n;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
	int ind = 1;
	for(int i = 0; i < n; i++) {
		if(gondolaSeq[i] <= n) {
			ind = (gondolaSeq[i] - 1 - i + n) % n + 1;
			break;
		}
	}
	vector < ii > v;
	for(int i = 0; i < n; i++) {
		v.push_back(ii(gondolaSeq[i], (ind + i - 1) % n + 1));
	}
	sort(v.begin(), v.end());
	int nxt = n + 1, sz = 0;
	foreach(it, v) {
		int x = it -> first;
		int i = it -> second;
		while(nxt <= x) {
			replacementSeq[sz++] = 	i;
			i = nxt;
			nxt++;
		}
	}
	return sz;
}

//----------------------

const int mod = 1e9 + 9;

int countReplacement(int n, int inputSeq[]) {
	if(!valid(n, inputSeq))
		return 0;
	int ans = 1;
	int mx = *max_element(inputSeq, inputSeq + n);
	set < int > s;
	for(int i = 0; i < n; i++)
		if(inputSeq[i] > n)
			s.insert(inputSeq[i]);
	for(int i = n + 1; i <= mx; i++) {
		if(s.count(i)) {
			s.erase(i);
			continue;
		}
		ans = (ll) ans * s.size() % mod;
	}
	//if(*min_element(inputSeq, inputSeq + n) > n)
	//	ans = (ll) ans * n % mod;
	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct
6 Correct 13 ms 4812 KB Output is correct
7 Correct 0 ms 3096 KB Output is correct
8 Correct 24 ms 6396 KB Output is correct
9 Correct 0 ms 4152 KB Output is correct
10 Correct 37 ms 6924 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct
6 Correct 11 ms 4812 KB Output is correct
7 Correct 14 ms 3096 KB Output is correct
8 Correct 26 ms 6396 KB Output is correct
9 Correct 5 ms 4152 KB Output is correct
10 Correct 36 ms 6924 KB Output is correct
11 Correct 0 ms 3096 KB Output is correct
12 Correct 0 ms 3096 KB Output is correct
13 Correct 5 ms 3096 KB Output is correct
14 Correct 0 ms 3096 KB Output is correct
15 Correct 14 ms 3096 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct
6 Correct 0 ms 3096 KB Output is correct
7 Correct 0 ms 3096 KB Output is correct
8 Correct 0 ms 3096 KB Output is correct
9 Correct 0 ms 3096 KB Output is correct
10 Correct 1 ms 3096 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct
6 Correct 0 ms 3096 KB Output is correct
7 Correct 0 ms 3096 KB Output is correct
8 Correct 0 ms 3096 KB Output is correct
9 Correct 0 ms 3096 KB Output is correct
10 Correct 0 ms 3096 KB Output is correct
11 Correct 11 ms 4636 KB Output is correct
12 Correct 21 ms 4636 KB Output is correct
13 Correct 21 ms 3868 KB Output is correct
14 Correct 12 ms 4636 KB Output is correct
15 Correct 26 ms 3484 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct
6 Correct 0 ms 3096 KB Output is correct
7 Correct 0 ms 3096 KB Output is correct
8 Correct 0 ms 3096 KB Output is correct

Subtask #9
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct
6 Correct 0 ms 3096 KB Output is correct
7 Correct 0 ms 3096 KB Output is correct
8 Correct 0 ms 3096 KB Output is correct
9 Correct 67 ms 6528 KB Output is correct
10 Correct 51 ms 5868 KB Output is correct
11 Correct 23 ms 4020 KB Output is correct
12 Correct 26 ms 4284 KB Output is correct
13 Incorrect 4 ms 3360 KB Output isn't correct

Subtask #10
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3096 KB Output is correct
2 Correct 0 ms 3096 KB Output is correct
3 Correct 0 ms 3096 KB Output is correct
4 Correct 0 ms 3096 KB Output is correct
5 Correct 0 ms 3096 KB Output is correct
6 Correct 0 ms 3096 KB Output is correct
7 Correct 0 ms 3096 KB Output is correct
8 Correct 0 ms 3096 KB Output is correct
9 Correct 65 ms 6528 KB Output is correct
10 Correct 45 ms 5868 KB Output is correct
11 Correct 16 ms 4020 KB Output is correct
12 Correct 23 ms 4284 KB Output is correct
13 Incorrect 9 ms 3360 KB Output isn't correct
14 Halted 0 ms 0 KB -