CSES - KILO 2017 2/5 - Results
Submission details
Task:Odd sequence
Sender:Ollie
Submission time:2017-09-12 18:58:36 +0300
Language:C++
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.56 sdetails
#2ACCEPTED0.30 sdetails
#3ACCEPTED0.21 sdetails
#4ACCEPTED0.49 sdetails
#5ACCEPTED0.05 sdetails
#6ACCEPTED0.04 sdetails
#7ACCEPTED0.03 sdetails
#8ACCEPTED0.06 sdetails
#9ACCEPTED0.05 sdetails
#10ACCEPTED0.05 sdetails
#11ACCEPTED0.03 sdetails
#12ACCEPTED0.04 sdetails
#13ACCEPTED0.05 sdetails
#14ACCEPTED0.03 sdetails
#15ACCEPTED0.03 sdetails
#16ACCEPTED0.03 sdetails
#17ACCEPTED0.04 sdetails
#18ACCEPTED0.04 sdetails
#19ACCEPTED0.03 sdetails
#20ACCEPTED0.04 sdetails
#21ACCEPTED0.05 sdetails
#22ACCEPTED0.04 sdetails
#23ACCEPTED0.04 sdetails
#24ACCEPTED0.04 sdetails
#25ACCEPTED0.03 sdetails
#26ACCEPTED0.04 sdetails
#27ACCEPTED0.04 sdetails
#28ACCEPTED0.05 sdetails
#29ACCEPTED0.05 sdetails
#30ACCEPTED0.03 sdetails
#31ACCEPTED0.04 sdetails
#32ACCEPTED0.04 sdetails
#33ACCEPTED0.04 sdetails
#34ACCEPTED0.05 sdetails
#35ACCEPTED0.04 sdetails
#36ACCEPTED0.03 sdetails
#37ACCEPTED0.04 sdetails
#38ACCEPTED0.03 sdetails
#39ACCEPTED0.05 sdetails
#40ACCEPTED0.05 sdetails
#41ACCEPTED0.04 sdetails
#42ACCEPTED0.04 sdetails
#43ACCEPTED0.04 sdetails
#44ACCEPTED0.03 sdetails
#45ACCEPTED0.05 sdetails
#46ACCEPTED0.04 sdetails
#47ACCEPTED0.05 sdetails
#48ACCEPTED0.05 sdetails
#49ACCEPTED0.03 sdetails
#50ACCEPTED0.05 sdetails
#510.03 sdetails

Code

#include <bits/stdc++.h>
#define INF 98989898

using namespace std;

long long a[1000001], dp[2][1000001];
int n;

long long brute() {
  long long msum = 0;
  for(int i=1;i<=n;i++) {
    for(int j=i;j<=n;j++) {
      if((j-i+1)%2 == 0) continue;
      long long ss = 0;
      for(int k=i;k<=j;k++) {
        ss += a[k];
      }
      msum = max(msum, ss);
    }
  }
  return msum;
}

int main() {
  //while(true) {
  cin >> n;
  //n = rand()%6;
  for(int i=0;i<=n;i++) {
    dp[false][i] = -9999999999;
    dp[true][i] = -9999999999;
  }
  for(int i=1;i<=n;i++) {
    cin >> a[i];
    //a[i] = rand()%10-5;
  }
  for(int i=1;i<=n;i++) {
    if(i == 1) {
      dp[false][i] = -9999999999;
    } else {
      dp[false][i] = dp[true][i-1] + a[i];
    }
    dp[true][i] = max(a[i], dp[false][i-1] + a[i]);
  }
  //for(int i=1;i<=n;i++) cout << dp[true][i] << " "; cout << endl;
  //for(int i=1;i<=n;i++) cout << dp[false][i] << " "; cout << endl;
  long long cmax = 0;
  for(int i=1;i<=n;i++) {
    cmax = max(cmax, dp[true][i]);
  }
  cout << cmax << endl;
  //if(cmax != brute()) {
    /*for(int i=1;i<=n;i++) {
      cout << a[i] << " ";
    } cout << endl;*/
    //break;
  //}
  //}
  return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
1000000
0 99833416 198669330 295520206...

correct output
20008336040

user output
20008336040

Test 2

Verdict: ACCEPTED

input
1000000
-84 -60 -41 -100 8 -8 -52 -62 ...

correct output
48760

user output
48760

Test 3

Verdict: ACCEPTED

input
1000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

correct output
5300

user output
5300

Test 4

Verdict: ACCEPTED

input
1000000
13915014 -15160138 25244495 40...

correct output
105192740048

user output
105192740048

Test 5

Verdict: ACCEPTED

input
10
1 1 -1 -1 -1 1 0 -1 1 -1

correct output
1

user output
1

Test 6

Verdict: ACCEPTED

input
10
0 -1 1 -1 -1 -1 1 1 -1 -1

correct output
1

user output
1

Test 7

Verdict: ACCEPTED

input
10
1 0 1 -1 0 1 1 1 -1 0

correct output
3

user output
3

Test 8

Verdict: ACCEPTED

input
10
1 0 1 -1 0 1 -1 -1 0 1

correct output
2

user output
2

Test 9

Verdict: ACCEPTED

input
10
0 0 0 0 0 -1 1 -1 1 1

correct output
1

user output
1

Test 10

Verdict: ACCEPTED

input
10
1 -1 -1 1 1 0 1 0 1 0

correct output
4

user output
4

Test 11

Verdict: ACCEPTED

input
10
0 1 -1 -1 -1 1 1 0 0 0

correct output
2

user output
2

Test 12

Verdict: ACCEPTED

input
10
1 -1 -1 -1 -1 1 -1 1 0 1

correct output
2

user output
2

Test 13

Verdict: ACCEPTED

input
10
-1 0 1 0 -1 1 -1 0 1 -1

correct output
1

user output
1

Test 14

Verdict: ACCEPTED

input
10
1 -1 0 1 0 0 -1 0 -1 1

correct output
1

user output
1

Test 15

Verdict: ACCEPTED

input
10
1 1 1 0 -1 1 0 1 -1 1

correct output
3

user output
3

Test 16

Verdict: ACCEPTED

input
10
-1 1 1 0 -1 -1 0 1 0 1

correct output
2

user output
2

Test 17

Verdict: ACCEPTED

input
10
-1 -1 1 0 1 -1 1 1 1 -1

correct output
4

user output
4

Test 18

Verdict: ACCEPTED

input
10
-1 -1 -1 0 1 1 0 -1 1 -1

correct output
2

user output
2

Test 19

Verdict: ACCEPTED

input
10
-1 -1 0 -1 -1 -1 -1 0 1 1

correct output
2

user output
2

Test 20

Verdict: ACCEPTED

input
10
0 0 -1 -1 1 -1 0 0 1 -1

correct output
1

user output
1

Test 21

Verdict: ACCEPTED

input
10
-1 -1 -1 0 0 1 -1 1 0 0

correct output
1

user output
1

Test 22

Verdict: ACCEPTED

input
10
0 0 -1 1 0 -1 0 0 1 -1

correct output
1

user output
1

Test 23

Verdict: ACCEPTED

input
10
-1 0 0 1 0 0 0 0 1 0

correct output
2

user output
2

Test 24

Verdict: ACCEPTED

input
10
0 0 1 1 1 0 1 -1 1 0

correct output
4

user output
4

Test 25

Verdict: ACCEPTED

input
10
-1 0 1 0 -1 0 1 0 1 0

correct output
2

user output
2

Test 26

Verdict: ACCEPTED

input
10
1 -1 -1 1 1 -1 1 1 -1 0

correct output
3

user output
3

Test 27

Verdict: ACCEPTED

input
10
-1 1 -1 1 1 -1 -1 1 1 -1

correct output
1

user output
1

Test 28

Verdict: ACCEPTED

input
10
-1 0 -1 -1 -1 -1 -1 -1 -1 1

correct output
1

user output
1

Test 29

Verdict: ACCEPTED

input
10
1 0 -1 0 0 -1 0 1 -1 0

correct output
1

user output
1

Test 30

Verdict: ACCEPTED

input
10
-1 1 0 0 -1 1 1 1 0 1

correct output
4

user output
4

Test 31

Verdict: ACCEPTED

input
10
1 1 -1 -1 0 0 1 0 1 -1

correct output
2

user output
2

Test 32

Verdict: ACCEPTED

input
10
1 1 0 1 0 1 0 1 1 0

correct output
6

user output
6

Test 33

Verdict: ACCEPTED

input
10
-1 0 -1 1 1 1 1 -1 1 -1

correct output
3

user output
3

Test 34

Verdict: ACCEPTED

input
10
-1 0 1 1 -1 -1 1 -1 -1 0

correct output
2

user output
2

Test 35

Verdict: ACCEPTED

input
10
-1 -1 -1 1 0 1 -1 0 1 1

correct output
3

user output
3

Test 36

Verdict: ACCEPTED

input
10
0 1 1 -1 -1 -1 1 0 0 0

correct output
2

user output
2

Test 37

Verdict: ACCEPTED

input
10
-1 1 -1 -1 0 0 -1 0 -1 1

correct output
1

user output
1

Test 38

Verdict: ACCEPTED

input
10
-1 1 0 0 0 0 1 -1 -1 -1

correct output
1

user output
1

Test 39

Verdict: ACCEPTED

input
10
-1 -1 -1 1 -1 1 1 1 -1 1

correct output
3

user output
3

Test 40

Verdict: ACCEPTED

input
10
0 -1 -1 -1 1 1 1 1 0 1

correct output
4

user output
4

Test 41

Verdict: ACCEPTED

input
10
1 -1 0 1 0 0 0 -1 1 -1

correct output
1

user output
1

Test 42

Verdict: ACCEPTED

input
10
-1 0 -1 1 0 -1 0 0 0 -1

correct output
1

user output
1

Test 43

Verdict: ACCEPTED

input
10
-1 -1 1 0 1 -1 -1 -1 1 -1

correct output
2

user output
2

Test 44

Verdict: ACCEPTED

input
10
1 0 0 -1 1 -1 -1 1 0 0

correct output
1

user output
1

Test 45

Verdict: ACCEPTED

input
10
1 1 0 -1 1 1 1 -1 0 0

correct output
4

user output
4

Test 46

Verdict: ACCEPTED

input
10
1 0 -1 1 -1 0 0 1 -1 -1

correct output
1

user output
1

Test 47

Verdict: ACCEPTED

input
10
0 1 -1 0 1 1 1 0 -1 -1

correct output
3

user output
3

Test 48

Verdict: ACCEPTED

input
10
0 0 1 -1 0 1 -1 0 0 -1

correct output
1

user output
1

Test 49

Verdict: ACCEPTED

input
10
-1 0 1 1 0 -1 1 0 -1 1

correct output
2

user output
2

Test 50

Verdict: ACCEPTED

input
10
-1 1 0 1 -1 -1 -1 -1 1 0

correct output
2

user output
2

Test 51

Verdict:

input
3
-10 -5 -2

correct output
-2

user output
0