CSES - HIIT Open 2018 - Results
Submission details
Task:Buy Low, Sell High
Sender:TreamDeam
Submission time:2018-05-26 11:58:21
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.10 sdetails
#2ACCEPTED0.20 sdetails
#3ACCEPTED0.21 sdetails
#4ACCEPTED0.22 sdetails
#5ACCEPTED0.21 sdetails
#6ACCEPTED0.01 sdetails
#7ACCEPTED0.01 sdetails
#8ACCEPTED0.01 sdetails
#9ACCEPTED0.11 sdetails

Code

#include <iostream>

using namespace std;

int main() {
    int le, e;
    cin >> le;

    int l[le] = {0};
    int a[le] = {0};

    for (int i = 0; i < le; i++) {
        cin >> e;
        l[i] = e;
    }


    a[0] = -l[0];
    for (int i = 1; i < le; i++)
     a[i] = max(a[i-1],-l[i]);

    a[0] = 0;
    for (int i = 1; i < le; i++)
     a[i] = max(a[i-1], a[i] + l[i]);

    a[0] = -l[0];
    for (int i = 1; i < le; i++)
     a[i] = max(a[i-1], a[i] - l[i]);

    a[0] = 0;
    for (int i = 1; i < le; i++)
     a[i] = max(a[i-1], a[i] + l[i]);

    cout << a[le - 1] << endl;


    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
500000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
500000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
499999

user output
499999

Test 3

Verdict: ACCEPTED

input
500000
500000 499999 499998 499997 49...

correct output
0

user output
0

Test 4

Verdict: ACCEPTED

input
500000
617752857 533265574 365848360 ...

correct output
1999980408

user output
1999980408

Test 5

Verdict: ACCEPTED

input
500000
209620375 316066031 756114325 ...

correct output
1999992655

user output
1999992655

Test 6

Verdict: ACCEPTED

input
1
1

correct output
0

user output
0

Test 7

Verdict: ACCEPTED

input
2
1 1

correct output
0

user output
0

Test 8

Verdict: ACCEPTED

input
2
2 1

correct output
0

user output
0

Test 9

Verdict: ACCEPTED

input
500000
1 1000000000 2 2 2 2 2 2 2 2 2...

correct output
1999999998

user output
1999999998