CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Vaihdot
Sender:johku90
Submission time:2020-09-06 22:23:23 +0300
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1, 2, 3details
#2ACCEPTED0.06 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.02 s1, 2, 3details
#5ACCEPTED0.02 s1, 2, 3details
#6ACCEPTED0.02 s1, 2, 3details
#7ACCEPTED0.02 s1, 2, 3details
#8ACCEPTED0.02 s1, 2, 3details
#9--2, 3details
#10--2, 3details
#11--2, 3details
#12--2, 3details
#13--2, 3details
#14--2, 3details
#15--2, 3details
#16--2, 3details
#17--3details
#18--3details
#19--3details
#20--3details
#21--3details
#22--3details
#23--3details
#24--3details

Compiler report

input/code.cpp: In function 'int clean(std::vector<int>)':
input/code.cpp:10:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0; i<numbers.size(); i++){
                ~^~~~~~~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;

int clean(vector<int> numbers){
	int rounds = 0;
	int next = 1;
	while(numbers.size() > 0){
		rounds++;
		
		for(int i=0; i<numbers.size(); i++){
			if(numbers[i] == next){
				numbers.erase(numbers.begin() + i);
				i--;
				next++;
			}
		}
	}
	return rounds;
}

bool etsi(vector<int> numbers, int x, int y, int value){
	for(int i=x; i<=y; i ++){
		if(numbers[i] == value)return true;
	}
	return false;
}

int main() {
	int n;
	cin >> n;
	vector<int> numbers;
	for(int i=0; i<n; i++){
		int num;
		cin >> num;
		numbers.push_back(num);
	}
	
	int min = 99999999;
	int variations = 0;
	for(int i=0; i<n; i++){
		for(int j=i+1; j<n; j++){
			int ii = numbers[i];
			int jj = numbers[j];
			
			if(etsi(numbers, i + 1, j - 1, jj + 1) ||
				etsi(numbers, i + 1, j - 1, ii - 1) ||
				ii == jj + 1){
					//cout << ii << ", "<< jj << endl;
				vector<int> cp = numbers;
				cp[i] = jj;
				cp[j] = ii;
				int rounds = clean(cp);
				if(rounds < min){
					variations = 1;
					min = rounds;
				} else if(rounds == min){
					variations++;
				}
			}
		}
	}
	
	cout<< min << " " << variations;
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
100
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
2 99

user output
99999999 0

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
100 99 98 97 96 95 94 93 92 91...

correct output
98 4851

user output
98 4851

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
1 2 88 4 5 6 7 8 9 10 11 12 13...

correct output
16 5

user output
16 5

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
51 48 74 70 45 71 24 88 55 99 ...

correct output
49 131

user output
49 131

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
45 67 29 62 70 77 41 74 52 95 ...

correct output
52 268

user output
52 268

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
47 98 2 75 6 21 84 8 4 89 27 9...

correct output
48 149

user output
48 149

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
73 68 17 94 71 63 61 13 58 10 ...

correct output
47 116

user output
47 116

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
17 16 45 94 6 1 36 81 31 13 51...

correct output
45 95

user output
45 95

Test 9

Group: 2, 3

Verdict:

input
5000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
2 4999

user output
(empty)

Test 10

Group: 2, 3

Verdict:

input
5000
5000 4999 4998 4997 4996 4995 ...

correct output
4998 12492501

user output
(empty)

Test 11

Group: 2, 3

Verdict:

input
5000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
19 10

user output
(empty)

Test 12

Group: 2, 3

Verdict:

input
5000
1 2 3 4 5 6 264 8 9 10 11 12 1...

correct output
190 96

user output
(empty)

Test 13

Group: 2, 3

Verdict:

input
5000
1 2 3 4 5 6 7 8 9 2400 11 12 1...

correct output
1378 27938

user output
(empty)

Test 14

Group: 2, 3

Verdict:

input
5000
4012 2 4820 4208 1868 1728 362...

correct output
2511 436307

user output
(empty)

Test 15

Group: 2, 3

Verdict:

input
5000
3877 3972 1112 3669 1959 4640 ...

correct output
2497 417065

user output
(empty)

Test 16

Group: 2, 3

Verdict:

input
5000
2774 998 4525 2884 487 1995 41...

correct output
2518 426448

user output
(empty)

Test 17

Group: 3

Verdict:

input
200000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
2 199999

user output
(empty)

Test 18

Group: 3

Verdict:

input
200000
200000 199999 199998 199997 19...

correct output
199998 19999700001

user output
(empty)

Test 19

Group: 3

Verdict:

input
200000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
19 10

user output
(empty)

Test 20

Group: 3

Verdict:

input
200000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
199 100

user output
(empty)

Test 21

Group: 3

Verdict:

input
200000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
1979 1030

user output
(empty)

Test 22

Group: 3

Verdict:

input
200000
1 2 184153 4 5 6 7 8 164545 10...

correct output
18081 477187

user output
(empty)

Test 23

Group: 3

Verdict:

input
200000
151013 68675 119105 58292 3335...

correct output
86328 318722426

user output
(empty)

Test 24

Group: 3

Verdict:

input
200000
11562 33356 106752 170825 2723...

correct output
99873 663048119

user output
(empty)