CSES - Datatähti 2021 alku

CSES - Datatähti 2021 alku - Results

Submission details
Task:	Alitaulukot
Sender:	masuman
Submission time:	2020-10-08 07:54:51 +0300
Language:	C++ (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	0.45 s	3	details
#12	ACCEPTED	0.44 s	3	details
#13	ACCEPTED	0.44 s	3	details
#14	ACCEPTED	0.50 s	3	details
#15	ACCEPTED	0.47 s	3	details
#16	ACCEPTED	0.48 s	3	details
#17	ACCEPTED	0.48 s	3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:40:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(long j = 0; j < a.size(); j++){
                             ~~^~~~~~~~~~
input/code.cpp:51:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(unsigned long i = 0; i<=numOfit; i++){
                              ~^~~~~~~~~
input/code.cpp:54:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(long j = 0; j < a.size(); j++){
                             ~~^~~~~~~~~~

Code

#include <bits/stdc++.h>
 
using namespace std;
 
long minOutofSubarray(vector<vector<long>> &a, long b, long c){
    long k = floor(log2(c-b+1));
 
    long d = a[k][b-1];
    long e = a[k][c-pow(2,k)];
    long mini = min(d, e);
    return mini;
}
long maxOutofSubarray(vector<vector<long>> &a, long b, long c){
    long k = floor(log2(c-b+1));
 
    long d = a[k][b-1];
    long e = a[k][c-pow(2,k)];
    long maxi = max(d, e);
    return maxi;
}
int main(){
    long n;
    long k;
    cin >> n;
    cin >> k;
    vector<long> a;
    long in;
    for(long i = 0; i < n; i++){
        cin >> in;
        a.push_back(in);
    }
    
    long numOfit = ceil(log2(a.size()))-1;
    long s;
    vector<vector<long>> preArrayMin;
    vector<vector<long>> preArrayMax;
    for(long i = 0; i<=numOfit; i++){
        if(i==0){
            preArrayMin.push_back({});
            for(long j = 0; j < a.size(); j++){
                preArrayMin[0].push_back(a[j]);
            }
            continue;
        }
        preArrayMin.push_back({});
        for(long l = 0; l < a.size()-pow(2,i)+1; l++){
            s = min(preArrayMin[i-1][l],preArrayMin[i-1][l+pow(2,i-1)]);
            preArrayMin[i].push_back(s);
        }
    }
    for(unsigned long i = 0; i<=numOfit; i++){
        if(i==0){
            preArrayMax.push_back({});
            for(long j = 0; j < a.size(); j++){
                preArrayMax[0].push_back(a[j]);
            }
            continue;
        }
        preArrayMax.push_back({});
        for(long l = 0; l < a.size()-pow(2,i)+1; l++){
            preArrayMax[i].push_back(max(preArrayMax[i-1][l],preArrayMax[i-1][l+pow(2,i-1)]));
        }
        
    }
    
    long i = 1;
    long j = 1;
    long count = 0;
    long max;
    long min;
    i = 1;
    j = 1;
    while(true){
        /*for(long c = 0; c < j-i; c++){
            cout << a[i+c-1] << " ";
        }*/
        //cout << "\n";
        //cout << "hoo" << "\n";
        min = minOutofSubarray(preArrayMin, i, j);
        max = maxOutofSubarray(preArrayMax, i, j);
        //cout << "hoo" << "\n";
        if(max-min>k){
            //cout << "hoo" << "\n";
            j--;
            count += j-i+1;
            i++;
            if(j<i){
                j = i;
            }
            continue;
        }
        if(j == n){
            //cout << "hooo";
            count += ((j-i+1)*(j-i+2)/2);
            break;
        }
        j++;
    }
    cout << count;
    
}

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

Compiler report

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 (masuman)