CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Vaihdot
Sender:Grez
Submission time:2020-09-06 22:56:09 +0300
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1, 2, 3details
#20.07 s1, 2, 3details
#30.02 s1, 2, 3details
#40.04 s1, 2, 3details
#50.04 s1, 2, 3details
#60.04 s1, 2, 3details
#70.04 s1, 2, 3details
#80.04 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 cskips()':
input/code.cpp:22:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Code

#include <iostream>

using namespace std;

int sz;
int* arr;

void swap(int a, int b) {
	int t = arr[a];
	arr[a] = arr[b];
	arr[b] = t;
}

int cskips() {
	int m = 1;
	for (int r = 1; r < 10000; r++) {
		for (int c = 0; c < sz; c++) {
			if (arr[c] == m) { m++; }
			if (m == (sz+1)) return r;
		}
	}
}

int main() {
	cin >> sz;
	arr = new int[sz];

	bool ordered = true;
	int t;
	for (int c = 0; c < sz; c++) {
		cin >> t;
		arr[c] = t;
		if (c && arr[c - 1] > arr[c]) { ordered = false; }
	}
	if (ordered) {
		cout << 2 << " " << (sz - 1) << endl;
	}
	
	int skips = cskips();
	int alts = 0;
	for (int a = 1; a < sz; a++) {
		for (int b = 0; b < a; b++) {
			swap(a, b);
			if (skips > cskips()) alts++;
			swap(a, b);
		}
	}

	cout << (skips-1) << " " << alts << endl;

};


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
2 99
0 0

Test 2

Group: 1, 2, 3

Verdict:

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

correct output
98 4851

user output
99 4950

Test 3

Group: 1, 2, 3

Verdict:

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

correct output
16 5

user output
17 44

Test 4

Group: 1, 2, 3

Verdict:

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

correct output
49 131

user output
50 1218

Test 5

Group: 1, 2, 3

Verdict:

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

correct output
52 268

user output
53 1480

Test 6

Group: 1, 2, 3

Verdict:

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

correct output
48 149

user output
49 1068

Test 7

Group: 1, 2, 3

Verdict:

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

correct output
47 116

user output
48 980

Test 8

Group: 1, 2, 3

Verdict:

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

correct output
45 95

user output
46 871

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)