CSES - Aalto Competitive Programming 2026 - wk1 - Wed

Submission details
Task:	Apple Division
Sender:	aalto26aw_008
Submission time:	2026-09-02 17:47:33 +0300
Language:	C++ (C++20)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict
#1	WRONG ANSWER	details
#2	WRONG ANSWER	details
#3	WRONG ANSWER	details
#4	WRONG ANSWER	details
#5	WRONG ANSWER	details
#6	WRONG ANSWER	details
#7	WRONG ANSWER	details
#8	WRONG ANSWER	details
#9	WRONG ANSWER	details
#10	WRONG ANSWER	details
#11	WRONG ANSWER	details
#12	WRONG ANSWER	details
#13	WRONG ANSWER	details
#14	WRONG ANSWER	details
#15	ACCEPTED	details
#16	WRONG ANSWER	details
#17	WRONG ANSWER	details
#18	ACCEPTED	details

Code

#include <algorithm>
#include <cstdio>
#include <iostream>
#include <vector>
using namespace std;

int main() {
    int n;
    long long sum = 0;
    cin>>n;
    vector<long> h(n + 1);
    for (int i = 1; i <= n; i++) {
        cin >> h[i];
        sum+=h[i];
    }
    sort(h.begin(), h.end());
    long long expect = 0, i = n;
    while(expect < sum / 2) {
        expect += h.at(i) + h.at(n-i+1);
        i--;
    }
    cout<<abs(sum - expect - expect);
}

Test details

Test 1

Verdict: WRONG ANSWER

input
`10 603 324 573 493 659 521 654 70...` view save

correct output
`2` view save

user output
`492` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "492"

Test 2

Verdict: WRONG ANSWER

input
`10 952 775 292 702 859 719 65 943...` view save

correct output
`1` view save

user output
`801` view save

Feedback: Incorrect character on line 1 col 1: expected "1", got "801"

Test 3

Verdict: WRONG ANSWER

input
`10 141 156 14 487 250 230 741 602...` view save

correct output
`2` view save

user output
`1124` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "1124"

Test 4

Verdict: WRONG ANSWER

input
`10 963 359 731 826 599 931 40 86 ...` view save

correct output
`4` view save

user output
`338` view save

Feedback: Incorrect character on line 1 col 1: expected "4", got "338"

Test 5

Verdict: WRONG ANSWER

input
`10 238 224 861 461 558 860 318 93...` view save

correct output
`2` view save

user output
`1306` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "1306"

Test 6

Verdict: WRONG ANSWER

input
`10 193 848 70 53 864 886 374 31 2...` view save

correct output
`1` view save

user output
`1197` view save

Feedback: Incorrect character on line 1 col 2: expected "1", got "1197"

Test 7

Verdict: WRONG ANSWER

input
`20 13048212 423374770 19874608 81...` view save

correct output
`8231` view save

user output
`1928721675` view save

Feedback: Incorrect character on line 1 col 1: expected "8231", got "1928721675"

Test 8

Verdict: WRONG ANSWER

input
`20 314836307 815098885 922742346 ...` view save

correct output
`1188` view save

user output
`624806940` view save

Feedback: Incorrect character on line 1 col 1: expected "1188", got "624806940"

Test 9

Verdict: WRONG ANSWER

input
`20 846261131 196958704 824235264 ...` view save

correct output
`11770` view save

user output
`1452730604` view save

Feedback: Incorrect character on line 1 col 2: expected "11770", got "1452730604"

Test 10

Verdict: WRONG ANSWER

input
`20 92021619 792314463 937735495 8...` view save

correct output
`4453` view save

user output
`1491624411` view save

Feedback: Incorrect character on line 1 col 1: expected "4453", got "1491624411"

Test 11

Verdict: WRONG ANSWER

input
`20 452747515 202201476 845758891 ...` view save

correct output
`4881` view save

user output
`535598711` view save

Feedback: Incorrect character on line 1 col 1: expected "4881", got "535598711"

Test 12

Verdict: WRONG ANSWER

input
`20 934033764 747013925 113297529 ...` view save

correct output
`5482` view save

user output
`1338203162` view save

Feedback: Incorrect character on line 1 col 1: expected "5482", got "1338203162"

Test 13

Verdict: WRONG ANSWER

input
`1 1000000000` view save

correct output
`1000000000` view save

user output
`3000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "1000000000", got "3000000000"

Test 14

Verdict: WRONG ANSWER

input
`2 1 1` view save

correct output
`0` view save

user output
`2` view save

Feedback: Incorrect character on line 1 col 1: expected "0", got "2"

Test 15

Verdict: ACCEPTED

input
`1 1` view save

correct output
`1` view save

user output
`1` view save

Test 16

Verdict: WRONG ANSWER

input
`5 934033764 2 7 4 1` view save

correct output
`934033750` view save

user output
`934033752` view save

Feedback: Incorrect character on line 1 col 9: expected "934033750", got "934033752"

Test 17

Verdict: WRONG ANSWER

input
`20 934033764 747013925 113297529 ...` view save

correct output
`5483` view save

user output
`1338203163` view save

Feedback: Incorrect character on line 1 col 1: expected "5483", got "1338203163"

Test 18

Verdict: ACCEPTED

input
`19 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`1` view save

user output
`1` view save

Aalto Competitive Programming 2026 - wk1 - Wed

Apple Division

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

Test 18

Tasks

Submissions (aalto26aw_008)