CSES - JBOI 2014, day 2 - Results
Submission details
Task:Mascot Song
Sender:intoo
Submission time:2018-07-23 15:40:58 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.02 s1details
#20.02 s1details
#30.02 s1details
#4ACCEPTED0.24 s2details
#50.27 s2details
#60.25 s2details
#70.11 s3details
#80.10 s3details
#90.11 s3details
#100.10 s3details

Code

#include <iostream>
using namespace std;
int A[202020];
int B[202020];
int main() {
int n, q, k, x, y;
cin >> n;
for (int i = 0; i < n; i++) {
cin >> A[i];
}
int B = 0;
for (int i = 0; i < n; i++) {
if (i == 0 || A[i] <= A[i-1]) B++;
}
cin >> q;
for (int i = 0; i < q; i++) {
cin >> k;
// if (k-1) {
// cin >> x;
// int c = 0;
// while (c < n) {
// B[c] = A[(x+c)%n];
// c++;
// }
// for (int i = 0; i < n; i++) {
// A[i] = B[i];
// }
// } else {
cin >> x >> y;
int l, r;
if (x > 1) l = A[x-2] > A[x-1];
if (x < n) r = A[x] < A[x-1];
A[x-1] = y;
if (x > 1) B += (int)(A[x-2] > A[x-1]) - l;
if (x < n) B += (int)(A[x] < A[x-1]) - r;
cout << B << "\n";
// }
// int b = 0;
// for (int i = 0; i < n; i++) {
// if (i == 0 || A[i] <= A[i-1]) b++;
// }
// cout << b << "\n";
}
}

Test details

Test 1

Group: 1

Verdict:

input
10
4 5 6 1 10 20 15 16 17 1
13
1 10 2
2 9
...

correct output
4
3
4
4
4
...

user output
4
4
4
4
5
...

Test 2

Group: 1

Verdict:

input
30
18 48 48 7 60 21 11 49 14 10 1...

correct output
16
17
17
17
16
...

user output
16
17
17
17
16
...

Test 3

Group: 1

Verdict:

input
100
11 16 18 16 14 7 6 1 22 8 19 5...

correct output
50
50
50
50
49
...

user output
50
50
50
50
49
...

Test 4

Group: 2

Verdict: ACCEPTED

input
80000
581256238 412911089 468450337 ...

correct output
39831
39830
39830
39830
39831
...

user output
39831
39830
39830
39830
39831
...

Test 5

Group: 2

Verdict:

input
150000
2013 2014 2014 2014 2014 2014 ...

correct output
150000
149999
149998
149997
149996
...

user output
149999
150000
150001
150002
150003
...

Test 6

Group: 2

Verdict:

input
190000
62 4981 98 3407 7210 6339 1348...

correct output
94991
94991
94991
94992
94992
...

user output
94991
94991
94991
94992
94992
...

Test 7

Group: 3

Verdict:

input
50000
446 494 191 356 886 78 470 223...

correct output
24959
24959
24960
24960
24960
...

user output
24959
24958
24958
24957
24957
...

Test 8

Group: 3

Verdict:

input
170333
1 1001 2001 3001 4001 5001 600...

correct output
2
3
3
3
4
...

user output
2

Test 9

Group: 3

Verdict:

input
200000
571574128 419362929 843317486 ...

correct output
100061
100061
100061
100060
100060
...

user output
100061
100061
100061
100061
100061
...

Test 10

Group: 3

Verdict:

input
200000
262656227 860259516 849559109 ...

correct output
99946
99946
99947
99947
99947
...

user output
99946
99946
99946
99946
99947
...