CSES - Aalto Competitive Programming 2024 - wk2 - Mon - Results
Submission details
Task:Establish equality
Sender:ZDHKLV
Submission time:2024-09-11 15:06:41 +0300
Language:C++11
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#20.00 sdetails
#3ACCEPTED0.00 sdetails
#40.00 sdetails
#5ACCEPTED0.00 sdetails
#6ACCEPTED0.00 sdetails
#7ACCEPTED0.00 sdetails
#80.00 sdetails
#9ACCEPTED0.00 sdetails
#10ACCEPTED0.00 sdetails
#11ACCEPTED0.00 sdetails
#12ACCEPTED0.00 sdetails
#13ACCEPTED0.00 sdetails
#14ACCEPTED0.00 sdetails
#15ACCEPTED0.00 sdetails
#160.00 sdetails
#170.00 sdetails
#180.00 sdetails
#190.00 sdetails
#200.00 sdetails
#210.00 sdetails
#220.00 sdetails
#230.00 sdetails
#240.00 sdetails
#250.00 sdetails
#260.00 sdetails
#270.00 sdetails
#280.00 sdetails
#290.00 sdetails
#300.00 sdetails
#310.00 sdetails
#320.00 sdetails
#330.00 sdetails
#340.00 sdetails
#350.00 sdetails
#360.01 sdetails
#370.01 sdetails
#380.01 sdetails
#390.01 sdetails
#400.01 sdetails
#410.01 sdetails
#420.01 sdetails
#430.02 sdetails
#440.03 sdetails
#450.03 sdetails
#460.04 sdetails
#470.04 sdetails
#480.05 sdetails
#490.05 sdetails
#500.06 sdetails
#510.12 sdetails
#520.12 sdetails
#530.11 sdetails
#540.11 sdetails
#550.11 sdetails

Code

#include <bits/stdc++.h>

using namespace std;

bool process(vector<int> &values, long long n, long long &sum, long long &r) {

    int m = sum / n;
    bool modified = false;

    for (int i = 0; i < n; i++) {
        int v = values[i];
        int delta = abs(v - m) / 2;
        if (delta > 0) {
            modified = true;
            if (v > m) {
                values[i] -= 2*delta;
                sum -= 2*delta;
                r += delta;
            } else {
                values[i] += delta;
                sum += delta;
                r -= delta;
            }
        }
    }

    return modified;

}

int main() {
    
    long long n;
    cin >> n;

    long long sum = 0;
    vector<int> values(n);

    for (int i = 0; i < n; i++) {
        cin >> values[i];
        sum += values[i];
    }

    long long r = 0;
    bool modified = true;

    while (modified) {
        modified = process(values, n, sum, r);
    }

    long long output = (sum+r) / n;
    cout << output << endl;

    return 0;

}

Test details

Test 1

Verdict: ACCEPTED

input
1

correct output
4

user output
4

Test 2

Verdict:

input
2
4 2 

correct output
2

user output
3

Test 3

Verdict: ACCEPTED

input
2
6 0 

correct output
2

user output
2

Test 4

Verdict:

input
3
10 9 6 

correct output
7

user output
8

Test 5

Verdict: ACCEPTED

input
6
2 0 9 9 2 4 

correct output
3

user output
3

Test 6

Verdict: ACCEPTED

input
10
4 10 7 10 0 1 3 10 1 2 

correct output
3

user output
3

Test 7

Verdict: ACCEPTED

input
10
4 2 0 10 6 10 4 5 4 3 

correct output
4

user output
4

Test 8

Verdict:

input
10
6 0 7 9 3 1 5 6 9 4 

correct output
3

user output
4

Test 9

Verdict: ACCEPTED

input
10
10 9 6 1 10 9 7 6 7 6 

correct output
6

user output
6

Test 10

Verdict: ACCEPTED

input
10
2 0 9 9 2 4 10 10 5 0 

correct output
3

user output
3

Test 11

Verdict: ACCEPTED

input
10
1 0 0 7 5 2 7 10 4 1 

correct output
2

user output
2

Test 12

Verdict: ACCEPTED

input
10
1 4 8 9 2 0 5 7 0 3 

correct output
2

user output
2

Test 13

Verdict: ACCEPTED

input
10
8 6 2 9 9 9 10 1 10 8 

correct output
6

user output
6

Test 14

Verdict: ACCEPTED

input
10
5 10 8 7 9 4 0 1 3 2 

correct output
3

user output
3

Test 15

Verdict: ACCEPTED

input
10
9 8 1 6 0 1 3 9 3 10 

correct output
3

user output
3

Test 16

Verdict:

input
100
417 998 721 933 0 128 302 1000...

correct output
402

user output
398

Test 17

Verdict:

input
100
436 185 25 932 550 948 435 485...

correct output
402

user output
399

Test 18

Verdict:

input
100
551 70 708 840 291 121 511 569...

correct output
391

user output
387

Test 19

Verdict:

input
100
967 901 547 172 973 856 715 60...

correct output
395

user output
391

Test 20

Verdict:

input
100
222 55 871 832 206 364 919 980...

correct output
418

user output
415

Test 21

Verdict:

input
100
180 68 19 665 463 194 725 927 ...

correct output
401

user output
398

Test 22

Verdict:

input
100
154 446 740 874 263 86 534 724...

correct output
409

user output
405

Test 23

Verdict:

input
100
778 607 237 860 825 893 966 17...

correct output
419

user output
417

Test 24

Verdict:

input
100
514 922 773 659 871 366 8 149 ...

correct output
410

user output
407

Test 25

Verdict:

input
100
849 814 179 591 54 111 361 819...

correct output
381

user output
377

Test 26

Verdict:

input
100
48 800 289 680 721 36 21 952 2...

correct output
446

user output
443

Test 27

Verdict:

input
100
208 702 482 731 420 638 860 78...

correct output
431

user output
427

Test 28

Verdict:

input
100
517 669 947 185 766 782 282 57...

correct output
417

user output
413

Test 29

Verdict:

input
100
960 294 700 52 1000 317 220 98...

correct output
483

user output
480

Test 30

Verdict:

input
100
870 696 582 433 279 98 186 181...

correct output
433

user output
430

Test 31

Verdict:

input
1000
549 593 715 845 603 858 545 84...

correct output
417

user output
414

Test 32

Verdict:

input
1000
417 998 721 933 0 128 302 1000...

correct output
409

user output
406

Test 33

Verdict:

input
1000
436 185 25 932 550 948 435 485...

correct output
409

user output
405

Test 34

Verdict:

input
1000
551 70 708 840 291 121 511 569...

correct output
416

user output
412

Test 35

Verdict:

input
1000
967 901 547 172 973 856 715 60...

correct output
420

user output
416

Test 36

Verdict:

input
2000
238363352 59249203 934941691 8...

correct output
408637955

user output
405050811

Test 37

Verdict:

input
2000
958701282 356460600 224848373 ...

correct output
419252506

user output
415699253

Test 38

Verdict:

input
2000
81935403 244103473 837431430 3...

correct output
416082617

user output
412520268

Test 39

Verdict:

input
2000
937837680 11934037 257096282 9...

correct output
417515719

user output
413869917

Test 40

Verdict:

input
2000
11139167 391337047 538883743 5...

correct output
409258945

user output
405653901

Test 41

Verdict:

input
10000
589284011 636562059 767928733 ...

correct output
413957321

user output
410467278

Test 42

Verdict:

input
20000
447773961 773442531 122815 137...

correct output
414852078

user output
411432731

Test 43

Verdict:

input
30000
468145962 198730371 27838075 5...

correct output
410179075

user output
406649711

Test 44

Verdict:

input
40000
591414746 75940262 760367934 9...

correct output
414505355

user output
410989353

Test 45

Verdict:

input
50000
967034923 587586157 185430193 ...

correct output
412022071

user output
408555547

Test 46

Verdict:

input
60000
238363352 59249203 934941691 8...

correct output
414871380

user output
411357208

Test 47

Verdict:

input
70000
958701282 356460600 224848373 ...

correct output
413955399

user output
410504228

Test 48

Verdict:

input
80000
81935403 244103473 837431430 3...

correct output
414719178

user output
411215740

Test 49

Verdict:

input
90000
937837680 11934037 257096282 9...

correct output
412407588

user output
408898865

Test 50

Verdict:

input
100000
11139167 391337047 538883743 5...

correct output
413339299

user output
409833102

Test 51

Verdict:

input
200000
589284011 636562059 767928733 ...

correct output
414309243

user output
410827202

Test 52

Verdict:

input
200000
447773961 773442531 122815 137...

correct output
413259631

user output
409777512

Test 53

Verdict:

input
200000
468145962 198730371 27838075 5...

correct output
413293056

user output
409786997

Test 54

Verdict:

input
200000
591414746 75940262 760367934 9...

correct output
414827553

user output
411305133

Test 55

Verdict:

input
200000
967034923 587586157 185430193 ...

correct output
412998578

user output
409518580