CSES - Datatähti Open 2019 - Results
Submission details
Task:Sum
Sender:Rudy358
Submission time:2019-01-18 15:26:32 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
Test results
testverdicttime
#1ACCEPTED0.01 sdetails
#20.02 sdetails
#30.02 sdetails
#40.02 sdetails
#50.02 sdetails
#6ACCEPTED0.02 sdetails
#7ACCEPTED0.03 sdetails
#80.01 sdetails
#90.02 sdetails
#100.02 sdetails
#110.02 sdetails
#120.02 sdetails
#130.01 sdetails
#140.02 sdetails
#150.03 sdetails
#160.02 sdetails
#170.02 sdetails
#180.02 sdetails
#190.02 sdetails
#200.02 sdetails
#210.01 sdetails
#220.02 sdetails
#230.02 sdetails
#240.02 sdetails
#250.02 sdetails
#260.01 sdetails
#270.01 sdetails
#280.01 sdetails

Compiler report

input/code.cpp: In function 'int32_t main()':
input/code.cpp:33:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<s.lg;i++){
               ^

Code

#include <bits/stdc++.h>
using namespace std;
#define x first
#define y second
#define ll long long
#define pi pair<int,int>
#define pl pair<ll,ll>
#define pd pair<double,double>
#define ld long double
#define pld pair<ld,ld>
#define lg length()
#define sz size()
#define vi vector<int>
#define vl vector<ll>
#define vp vector<pi>
#define vpl vector<pl>
#define pb push_back
#define INF 1000000005
#define LINF 1000000000000000005

string s;

ll a,b;

int32_t main(){
	ios_base :: sync_with_stdio(0); cin.tie(); cout.tie();
#ifdef LOCAL_DEFINE
	ifstream cin("input.in");
#endif
	
	int t=0;
	cin >> s;
	for(int i=0;i<s.lg;i++){
		if(s[i]=='1') t++;
		if(t%2) a++;
		else b++;
	}
	cout << a*(a-1)/2+b*(b-1)/2+b;
	
#ifdef LOCAL_DEFINE
	cerr << "\nTime elapsed: " << 1.0*clock()/CLOCKS_PER_SEC << " \n";
#endif
}

Test details

Test 1

Verdict: ACCEPTED

input
1

correct output
0

user output
0

Test 2

Verdict:

input
2

correct output
0

user output
1

Test 3

Verdict:

input
3

correct output
0

user output
1

Test 4

Verdict:

input
4

correct output
0

user output
1

Test 5

Verdict:

input
5

correct output
0

user output
1

Test 6

Verdict: ACCEPTED

input
6

correct output
1

user output
1

Test 7

Verdict: ACCEPTED

input
7

correct output
1

user output
1

Test 8

Verdict:

input
8

correct output
2

user output
1

Test 9

Verdict:

input
9

correct output
3

user output
1

Test 10

Verdict:

input
10

correct output
4

user output
1

Test 11

Verdict:

input
20

correct output
24

user output
3

Test 12

Verdict:

input
30

correct output
61

user output
3

Test 13

Verdict:

input
40

correct output
114

user output
3

Test 14

Verdict:

input
50

correct output
184

user output
3

Test 15

Verdict:

input
60

correct output
271

user output
3

Test 16

Verdict:

input
70

correct output
374

user output
3

Test 17

Verdict:

input
80

correct output
494

user output
3

Test 18

Verdict:

input
90

correct output
631

user output
3

Test 19

Verdict:

input
100

correct output
784

user output
3

Test 20

Verdict:

input
200

correct output
3234

user output
6

Test 21

Verdict:

input
300

correct output
7351

user output
6

Test 22

Verdict:

input
400

correct output
13134

user output
6

Test 23

Verdict:

input
500

correct output
20584

user output
6

Test 24

Verdict:

input
600

correct output
29701

user output
6

Test 25

Verdict:

input
700

correct output
40484

user output
6

Test 26

Verdict:

input
800

correct output
52934

user output
6

Test 27

Verdict:

input
900

correct output
67051

user output
6

Test 28

Verdict:

input
1000

correct output
82834

user output
6