CSES - Datatähti 2021 alku

CSES - Datatähti 2021 alku - Results

Submission details
Task:	Alitaulukot
Sender:	Guuber
Submission time:	2020-09-28 10:12:31 +0300
Language:	C++11
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	11
#2	ACCEPTED	26
#3	ACCEPTED	63

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2, 3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.01 s	1, 2, 3	details
#4	ACCEPTED	0.01 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.01 s	2, 3	details
#7	ACCEPTED	0.01 s	2, 3	details
#8	ACCEPTED	0.01 s	2, 3	details
#9	ACCEPTED	0.01 s	2, 3	details
#10	ACCEPTED	0.01 s	2, 3	details
#11	ACCEPTED	0.07 s	3	details
#12	ACCEPTED	0.29 s	3	details
#13	ACCEPTED	0.28 s	3	details
#14	ACCEPTED	0.63 s	3	details
#15	ACCEPTED	0.10 s	3	details
#16	ACCEPTED	0.38 s	3	details
#17	ACCEPTED	0.38 s	3	details

Code

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


long long minimi[1010101];
long long maksimi[1010101];


long long koko = 1;
long long laskemin(int alku, int loppu){
long long mini = 1e9;
        alku += koko-1;
        loppu += koko-1;
        while(alku <= loppu){
                if(alku % 2 == 1) mini = min(mini, minimi[alku++]);
                if(loppu % 2 == 0) mini = min(mini, minimi[loppu--]);
                alku /= 2;
                loppu /= 2;
        }
        return mini;
}

long long laskemax(int alku, int loppu){
        long long mini = 0;
        alku += koko-1;
        loppu += koko-1;
        while(alku <= loppu){
                if(alku % 2 == 1) mini = max(mini, maksimi[alku++]);
                if(loppu % 2 == 0) mini = max(mini, maksimi[loppu--]);
                alku /= 2;
                loppu /= 2;
        }
        return mini;
}
int main(){
        vector<long long> ve = {};
        long long n,k;
        cin >> n >> k;
        for(long long i = 0; i < n; i++){
                long long a;
                cin >> a;
                ve.push_back(a);
        }

        while(koko < n) koko *= 2;

        for(long long i = 0; i < 101010; i++) minimi[i] = 1e9;
        for(long long i = koko; i < koko+n; i++){
                minimi[i] = ve[i-koko];
                maksimi[i] = ve[i-koko];
        }
        for(long long i = koko-1; i > 0; i--){
                minimi[i] = min(minimi[i*2], minimi[i*2+1]);
                maksimi[i] = max(maksimi[i*2], maksimi[i*2+1]);
        }
        long long counter = 0; 

        for(long long i = 1; i <= n; i++){
                long long arvaus = -1;
                for(long long b = n; b >= 1; b/=2){
                        //cout << arvaus + b << "\n";
                        while(arvaus + b <= n && b >= 0 && laskemax(i, arvaus + b) - laskemin(i, arvaus+b) <= k) arvaus += b;
                }
                counter += arvaus-i+1;
        }
        cout << counter << "\n";
}

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 ...` view save

correct output
`5050` view save

user output
`5050` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 2 5 5 2 4 3 5 3 4 3 2 3 4 5 4 4 ...` view save

correct output
`317` view save

user output
`317` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
`119` view save

user output
`119` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 990000000 111122929 961821360 578238211 ...` view save

correct output
`4006` view save

user output
`4006` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 1000000000 553190572 453407680 667300705 ...` view save

correct output
`5050` view save

user output
`5050` view save

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 ...` view save

correct output
`2001000` view save

user output
`2001000` view save

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
`2000 2 4 4 1 4 2 3 1 2 1 3 5 2 2 4 4 ...` view save

correct output
`6340` view save

user output
`6340` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

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

correct output
`2413` view save

user output
`2413` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`2000 999000000 746120950 772769620 721488968 ...` view save

correct output
`1287776` view save

user output
`1287776` view save

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
`2000 1000000000 621947980 510355354 756705418 ...` view save

correct output
`2001000` view save

user output
`2001000` view save

Test 11

Group: 3

Verdict: ACCEPTED

input
`100000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`5000050000` view save

user output
`5000050000` view save

Test 12

Group: 3

Verdict: ACCEPTED

input
`100000 2 3 3 1 3 3 1 1 5 1 2 5 4 1 3 1 ...` view save

correct output
`317066` view save

user output
`317066` view save

Test 13

Group: 3

Verdict: ACCEPTED

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

correct output
`123292` view save

user output
`123292` view save

Test 14

Group: 3

Verdict: ACCEPTED

input
`100000 999990000 460235639 963048588 47270983 3...` view save

correct output
`4946886742` view save

user output
`4946886742` view save

Test 15

Group: 3

Verdict: ACCEPTED

input
`100000 1000000000 885457070 18257718 927615960 3...` view save

correct output
`5000050000` view save

user output
`5000050000` view save

Test 16

Group: 3

Verdict: ACCEPTED

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

correct output
`3750075000` view save

user output
`3750075000` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`100000 50000 100000 99999 99998 99997 99996...` view save

correct output
`3750075000` view save

user output
`3750075000` view save

Datatähti 2021 alku

Alitaulukot

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Tasks

Submissions (Guuber)