Code Submission Evaluation System Login

HIIT Open 2018

Start:2018-05-26 11:00:00
End:2018-05-26 16:00:00
 

Tasks | Messages | Scoreboard | Statistics


CSES - HIIT Open 2018 - Results
History
2018-05-26 11:23:28
Task:Inversions
Sender:Karhukopla
Submission time:2018-05-26 11:23:28
Language:C++
Status:READY
Result:ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.04 / 1.00details
#2ACCEPTED0.06 / 1.00details
#3ACCEPTED0.05 / 1.00details
#4ACCEPTED0.05 / 1.00details
#5ACCEPTED0.05 / 1.00details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < s.length(); i++) {
                  ~~^~~~~~~~~~~~

Code

#include <bits/stdc++.h>

#define ll long long
#define lll __int128
#define pii pair<int, int>
#define M 1000000007
#define N (1<<20)
using namespace std;

int main () {
	string s;
	cin>>s;
	int b;
	int w;
	b = w = 0;
	for (int i = 0; i < s.length(); i++) {
		int x = s[i] - '0';
		if (x != (i % 2)) b++;
		if (x != 1 - (i % 2)) w++;
	}
	cout<<min(b, w)<<endl;
}

Test details

Test 1

Verdict: ACCEPTED

input
000000000000000000000000000000...
view   save

correct output
500000
view   save

user output
500000
view   save

Test 2

Verdict: ACCEPTED

input
111111111111111111111111111111...
view   save

correct output
500000
view   save

user output
500000
view   save

Test 3

Verdict: ACCEPTED

input
010101010101010101010101010101...
view   save

correct output
0
view   save

user output
0
view   save

Test 4

Verdict: ACCEPTED

input
101010101010101010101010101010...
view   save

correct output
0
view   save

user output
0
view   save

Test 5

Verdict: ACCEPTED

input
110101011010110100100111110110...
view   save

correct output
499476
view   save

user output
499476
view   save