CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Vaihdot
Sender:Mahtimursu
Submission time:2020-09-04 20:14:18 +0300
Language:C++ (C++11)
Status:READY
Result:13
Feedback
groupverdictscore
#1ACCEPTED13
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.07 s1, 2, 3details
#3ACCEPTED0.02 s1, 2, 3details
#4ACCEPTED0.04 s1, 2, 3details
#5ACCEPTED0.04 s1, 2, 3details
#6ACCEPTED0.04 s1, 2, 3details
#7ACCEPTED0.04 s1, 2, 3details
#8ACCEPTED0.04 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

Code

#include <bits/stdc++.h>
typedef long long ll;
#define M 1000000007
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<int> v(n);
for (int i = 0; i < n; ++i) {
cin >> v[i];
}
/*// lis��k�?
bool l = true;
for (int i = 0; i < n; i++) {
if (v[i] != i + 1) {
l = false;
break;
}
}
if (l) {
// vaihdetaan p��dyt
cout << "2 2" << endl;
return 0;
}*/
// muuten parantuu yhdell�?
/*int pos[200005];
pos[0] = -1;
pos[n + 1] = -1;
for (int i = 0; i < n; ++i) {
pos[v[i]] = i;
}*/
// lasketaan ilman muutosta
/*int c = 1;
for (int i = 1; i < n; ++i) {
if (v[i - 1] > v[i]) c++;
}*/
// T�ll�in optimaali on siis c - 1?
/*int s[200005];
int g[200005];
for (int i = 0; i < n; ++i) {
s[v[i]] = pos[v[i] - 1];
g[v[i]] = pos[v[i] + 1];
}*/
/*for (int i = 1; i <= n; ++i) {
cout << i << ": " << s[i] << ", " << g[i] << " at: " << pos[i] << " between: " << (s[i] < pos[i] && g[i] > pos[i]) << endl;
}*/
int pb = 2 * n;
int cnt = 0;
for (int i = 0; i < n; i++) {
for (int j = i + 1; j < n; ++j) {
int t = v[i];
v[i] = v[j];
v[j] = t;
int c = 0;
// en ymm�rr�
int target = 1;
while (target <= n) {
for (int k = 0; k < n; ++k) {
if (v[k] == target) {
target++;
}
}
c++;
}
if (c == pb) {
cnt++;
}
else if (c < pb) {
cnt = 1;
pb = c;
}
t = v[i];
v[i] = v[j];
v[j] = t;
}
}
cout << pb << " " << cnt << endl;
return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
2 99

user output
2 99

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)