CSES - Datatähti Open 2019 - Results
Submission details
Task:Bit string
Sender:zscoder
Submission time:2019-01-18 08:48:42
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED21
#2ACCEPTED27
#3ACCEPTED52
Test results
testverdicttimegroup
#1ACCEPTED0.03 s1details
#2ACCEPTED0.03 s1details
#3ACCEPTED0.02 s1details
#4ACCEPTED0.02 s1details
#5ACCEPTED0.01 s1details
#6ACCEPTED0.02 s1details
#7ACCEPTED0.01 s1details
#8ACCEPTED0.01 s2details
#9ACCEPTED0.01 s2details
#10ACCEPTED0.02 s2details
#11ACCEPTED0.03 s2details
#12ACCEPTED0.02 s2details
#13ACCEPTED0.01 s2details
#14ACCEPTED0.03 s2details
#15ACCEPTED0.03 s3details
#16ACCEPTED0.03 s3details
#17ACCEPTED0.03 s3details
#18ACCEPTED0.02 s3details
#19ACCEPTED0.03 s3details
#20ACCEPTED0.03 s3details
#21ACCEPTED0.02 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:26:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1;i<=s.length();i++)
              ~^~~~~~~~~~~~
input/code.cpp:32:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1;i<=s.length();i++)
              ~^~~~~~~~~~~~

Code

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
 
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<int> vi;
typedef unsigned long long ull;
typedef long double ld; 
typedef tree<ii, null_type, less<ii>, rb_tree_tag, tree_order_statistics_node_update> pbds;

int a[555555];
int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	string s; cin>>s;
	a[0]=0;
	for(int i=1;i<=s.length();i++)
	{
		a[i]=a[i-1]+(s[i-1]=='1');
	}
	ll ans=0;
	ll t[2]={1,0};
	for(int i=1;i<=s.length();i++)
	{
		ans+=t[a[i]&1];
		t[a[i]&1]++;
	}
	cout<<ans<<'\n';
}

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