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 11:29:29
Task:Inversions
Sender:Oispa nutellaa
Submission time:2018-05-26 11:29:29
Language:C++
Status:READY
Result:ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.02 / 1.00details
#2ACCEPTED0.02 / 1.00details
#3ACCEPTED0.02 / 1.00details
#4ACCEPTED0.02 / 1.00details
#5ACCEPTED0.02 / 1.00details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:17:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < s.length(); ++i) {
                  ~~^~~~~~~~~~~~
input/code.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < s.length(); ++i) {
                  ~~^~~~~~~~~~~~

Code

#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

string s;

int res = 0;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cin >> s;
	res = s.length();
	int cres = 0;
	for (int i = 0; i < s.length(); ++i) {
		if (i%2 == 0 && s[i] != '0') cres++;
		if (i%2 == 1 && s[i] != '1') cres++; 
	}
	res = min(res, cres);
	cres = 0;
	for (int i = 0; i < s.length(); ++i) {
		if (i%2 == 1 && s[i] != '0') cres++;
		if (i%2 == 0 && s[i] != '1') cres++; 
	}
	res = min(res, cres);
	cout << res << "\n";
	return 0;
}

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