CSES - Leirikisa 6.3.2017 - Results
Submission details
Task:Aitaus
Sender:JesseNiininen
Submission time:2017-03-06 16:51:25 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.04 s1details
#20.04 s1details
#30.04 s1details
#40.04 s1details
#50.05 s1details
#60.04 s2details
#7--2details
#8--2details
#90.04 s2details
#10--2details
#110.65 s3details
#12--3details
#13--3details
#14--3details
#15--3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:21:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i < v.size(); i++){
                                   ^

Code

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

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

    vector<int> v(n);
    int l = 0;
    for(int i = 0; i < n; i++){
        cin >> v[i];
        l += v[i];
    }

    sort(v.begin(), v.end());

    int cost = 0;
    while(v.size() > 1){
        int avg = l / v.size() * 2;
        for(int i = 0; i < v.size(); i++){
            int num = v[i];
            int missing = avg - num;
            if(missing <= 0){
                continue;
            }
            auto it = lower_bound(v.begin() + i + 1, v.end(), missing);
            if(it == v.end())
                it--;
            if(it != v.begin()){
                int diff1 = abs(missing - *it);
                int diff2 = abs(missing - *(it - 1));
                if(diff2 < diff1)
                    it--;
            }
            int num2 = *it;
            v.erase(it);
            v[i] += num2;
            cost += v[i];
        }
    }

    cout << cost << "\n";
}

Test details

Test 1

Group: 1

Verdict:

input
10
1 1 1 1 1 1 1 1 1 1

correct output
34

user output
30

Test 2

Group: 1

Verdict:

input
10
1000 1000 1000 1000 1000 1000 ...

correct output
34000

user output
30000

Test 3

Group: 1

Verdict:

input
10
713 590 643 971 889 796 972 3 ...

correct output
18501

user output
17988

Test 4

Group: 1

Verdict:

input
10
991 740 433 558 522 338 240 27...

correct output
15614

user output
14562

Test 5

Group: 1

Verdict:

input
10
397 775 568 796 632 898 214 84...

correct output
20791

user output
19260

Test 6

Group: 2

Verdict:

input
1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
9976

user output
9352

Test 7

Group: 2

Verdict:

input
1000
1000000000 1000000000 10000000...

correct output
9976000000000

user output
(empty)

Test 8

Group: 2

Verdict:

input
1000
377480143 777745434 296992200 ...

correct output
4829974948360

user output
(empty)

Test 9

Group: 2

Verdict:

input
1000
599885439 985529375 118284730 ...

correct output
4880180545408

user output
-1670602422

Test 10

Group: 2

Verdict:

input
1000
695015028 950574688 862418845 ...

correct output
5089402448969

user output
(empty)

Test 11

Group: 3

Verdict:

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

correct output
1668928

user output
1624928

Test 12

Group: 3

Verdict:

input
100000
1000000000 1000000000 10000000...

correct output
1668928000000000

user output
(empty)

Test 13

Group: 3

Verdict:

input
100000
391395666 905124111 713186504 ...

correct output
818091245007558

user output
(empty)

Test 14

Group: 3

Verdict:

input
100000
535008265 825579494 118746814 ...

correct output
819167891088786

user output
(empty)

Test 15

Group: 3

Verdict:

input
100000
386356481 309596857 386341601 ...

correct output
816647450882063

user output
(empty)