CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:nikolai2001
Submission time:2020-09-29 18:05:23 +0300
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#40.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.01 s2, 3details
#70.01 s2, 3details
#80.01 s2, 3details
#90.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#110.02 s3details
#120.02 s3details
#130.03 s3details
#140.05 s3details
#150.05 s3details
#160.04 s3details
#17--3details

Code

#include <bits/stdc++.h>
#include <string.h>
#include <deque>
#include <algorithm>
using namespace std;
#define abs(x) (x < 0 ? -x : x)
int main(int argv, char *argc[]){
int len, diff;
cin >> len >> diff;
int *numbers = new int[len];
//int **nPointers = new int*[len]();
for_each(numbers, numbers + len, [](auto &el){
cin >> el;
});
int result = 0;
int s = 0;
int i = 0;
int min, max, cur;
int maxn, minn;
len--;
emptyStart:
cur = numbers[s];
max = min = cur;
maxn = minn = s;
while(i < len){
cur = numbers[++i];
if(cur <= min){
if(min - cur > diff){
// None of the current substring fit...
int n = i - s;
result += (n*n + n) >> 1;
s = i;
goto emptyStart;
}
min = cur;
minn = i;
if(max - min > diff){
// Search for all values after the maximum for a max that
// fits...
int omaxi = maxn;
int n = i;
maxn = i;
max = cur;
for(; n >= omaxi && numbers[n] - min <= diff; n--){
if(numbers[n] > max){
max = numbers[n];
maxn = n;
}
}
// All numbers from s to n are to be discarded
n = n - s;
result += (n*n + n) >> 1;
s = n + 1;
}
}else if(cur >= max){
if(cur - max > diff){
// None of the current substring fit...
int n = i - s;
result += (n*n + n) >> 1;
s = i;
goto emptyStart;
}
max = cur;
maxn = i;
if(max - min > diff){
// Search for all values after the minimum for a max that
// fits...
int omini = minn;
int n = i;
minn = i;
min = cur;
for(; n <= omini && max - numbers[n] <= diff; n--){
if(numbers[n] < min){
min = numbers[n];
minn = n;
}
}
// All numbers from s to n are to be discarded
n = n - s;
result += (n*n + n) >> 1;
s = n + 1;
}
}
}
int n = i + 1 - s;
result += (n*n + n) >> 1;
cout << result;
return EXIT_SUCCESS;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
5050

user output
5050

Test 2

Group: 1, 2, 3

Verdict:

input
100 2
5 5 2 4 3 5 3 4 3 2 3 4 5 4 4 ...

correct output
317

user output
14873

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 10
71 60 61 96 25 10 10 9 84 85 1...

correct output
119

user output
119

Test 4

Group: 1, 2, 3

Verdict:

input
100 990000000
111122929 961821360 578238211 ...

correct output
4006

user output
7606

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 1000000000
553190572 453407680 667300705 ...

correct output
5050

user output
5050

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
2000 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
2001000

user output
2001000

Test 7

Group: 2, 3

Verdict:

input
2000 2
4 4 1 4 2 3 1 2 1 3 5 2 2 4 4 ...

correct output
6340

user output
171162731

Test 8

Group: 2, 3

Verdict:

input
2000 10
65 88 33 88 41 10 17 38 22 3 8...

correct output
2413

user output
21384486

Test 9

Group: 2, 3

Verdict:

input
2000 999000000
746120950 772769620 721488968 ...

correct output
1287776

user output
1149518

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
2000 1000000000
621947980 510355354 756705418 ...

correct output
2001000

user output
2001000

Test 11

Group: 3

Verdict:

input
100000 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
5000050000

user output
705082704

Test 12

Group: 3

Verdict:

input
100000 2
3 3 1 3 3 1 1 5 1 2 5 4 1 3 1 ...

correct output
317066

user output
1878889183

Test 13

Group: 3

Verdict:

input
100000 10
10 3 6 3 43 60 5 48 15 27 86 4...

correct output
123292

user output
188371085

Test 14

Group: 3

Verdict:

input
100000 999990000
460235639 963048588 47270983 3...

correct output
4946886742

user output
-315987990

Test 15

Group: 3

Verdict:

input
100000 1000000000
885457070 18257718 927615960 3...

correct output
5000050000

user output
705082704

Test 16

Group: 3

Verdict:

input
100000 50000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
3750075000

user output
-1794967294

Test 17

Group: 3

Verdict:

input
100000 50000
100000 99999 99998 99997 99996...

correct output
3750075000

user output
(empty)