CSES - Datatähti Open 2019 - Results
Submission details
Task:Bit string
Sender:farhad13
Submission time:2019-01-19 12:37:07
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED21
#2ACCEPTED27
#3ACCEPTED52
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1details
#2ACCEPTED0.01 s1details
#3ACCEPTED0.02 s1details
#4ACCEPTED0.03 s1details
#5ACCEPTED0.02 s1details
#6ACCEPTED0.02 s1details
#7ACCEPTED0.03 s1details
#8ACCEPTED0.03 s2details
#9ACCEPTED0.01 s2details
#10ACCEPTED0.03 s2details
#11ACCEPTED0.03 s2details
#12ACCEPTED0.02 s2details
#13ACCEPTED0.02 s2details
#14ACCEPTED0.03 s2details
#15ACCEPTED0.04 s3details
#16ACCEPTED0.03 s3details
#17ACCEPTED0.03 s3details
#18ACCEPTED0.03 s3details
#19ACCEPTED0.02 s3details
#20ACCEPTED0.03 s3details
#21ACCEPTED0.01 s3details

Code

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fr first
#define sc second
#define pb push_back
#define mp make_pair
#define forr(i,a,b) for(ll i=a;i<b;i++)
#define mod 100000007
#define eps 0.0000001
string x;
ll dp[500000][2],ans=0,n;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>x;n=x.length();
if(x[0]=='0')dp[0][0]=1,dp[0][1]=0;
else dp[0][0]=0,dp[0][1]=1;
forr(i,1,n)
{if(x[i]=='0')
{dp[i][0]=dp[i-1][0]+1;
 dp[i][1]=dp[i-1][1];}
else
{dp[i][0]=dp[i-1][1];
dp[i][1]=dp[i-1][0]+1;}}
forr(i,0,n)ans+=dp[i][0];
cout<<ans<<endl;
return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
111111111111111111111111111111...

correct output
2500

user output
2500

Test 2

Group: 1

Verdict: ACCEPTED

input
111101111111101111111011011110...

correct output
2502

user output
2502

Test 3

Group: 1

Verdict: ACCEPTED

input
000110011101101000000000101010...

correct output
2590

user output
2590

Test 4

Group: 1

Verdict: ACCEPTED

input
110101000010001000101100011000...

correct output
2502

user output
2502

Test 5

Group: 1

Verdict: ACCEPTED

input
000000000000000000000000000000...

correct output
5050

user output
5050

Test 6

Group: 1

Verdict: ACCEPTED

input
0

correct output
1

user output
1

Test 7

Group: 1

Verdict: ACCEPTED

input
1

correct output
0

user output
0

Test 8

Group: 2

Verdict: ACCEPTED

input
111111111111111111111111111111...

correct output
6250000

user output
6250000

Test 9

Group: 2

Verdict: ACCEPTED

input
111111111110101111111010111011...

correct output
6250342

user output
6250342

Test 10

Group: 2

Verdict: ACCEPTED

input
110110111000000001011100000011...

correct output
6252352

user output
6252352

Test 11

Group: 2

Verdict: ACCEPTED

input
000000001000101001001110100011...

correct output
6253422

user output
6253422

Test 12

Group: 2

Verdict: ACCEPTED

input
000000000000000000000000000000...

correct output
12502500

user output
12502500

Test 13

Group: 2

Verdict: ACCEPTED

input
0

correct output
1

user output
1

Test 14

Group: 2

Verdict: ACCEPTED

input
1

correct output
0

user output
0

Test 15

Group: 3

Verdict: ACCEPTED

input
111111111111111111111111111111...

correct output
62500000000

user output
62500000000

Test 16

Group: 3

Verdict: ACCEPTED

input
101101100110111101111011111101...

correct output
62500057360

user output
62500057360

Test 17

Group: 3

Verdict: ACCEPTED

input
011100000010000011110101010001...

correct output
62500117306

user output
62500117306

Test 18

Group: 3

Verdict: ACCEPTED

input
001010011010000001100011001101...

correct output
62500144780

user output
62500144780

Test 19

Group: 3

Verdict: ACCEPTED

input
000000000000000000000000000000...

correct output
125000250000

user output
125000250000

Test 20

Group: 3

Verdict: ACCEPTED

input
0

correct output
1

user output
1

Test 21

Group: 3

Verdict: ACCEPTED

input
1

correct output
0

user output
0