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HIIT Open 2018

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

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CSES - HIIT Open 2018 - Results
History
2018-05-26 12:22:06
Task:Inversions
Sender:Robotiimi
Submission time:2018-05-26 12:22:06
Language:C++
Status:READY
Result:ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.02 / 1.00details
#2ACCEPTED0.01 / 1.00details
#3ACCEPTED0.02 / 1.00details
#4ACCEPTED0.01 / 1.00details
#5ACCEPTED0.03 / 1.00details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:16:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 for (int i=1; i<s.size(); i++) {
               ~^~~~~~~~~

Code

#include <bits/stdc++.h>
#include <string>
#include <vector>

using namespace std;


int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);

string s;
cin >> s;
int n = 0;

for (int i=1; i<s.size(); i++) {
    if (s[i-1] == s[i]) {
        if (s[i] == '0') {
            s[i] = '1';
        } else {
            s[i] = '0';
        }
        n++;
    }
}
    
cout << n << "\n";
}

Test details

Test 1

Verdict: ACCEPTED

input
000000000000000000000000000000...
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correct output
500000
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user output
500000
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Test 2

Verdict: ACCEPTED

input
111111111111111111111111111111...
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correct output
500000
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user output
500000
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Test 3

Verdict: ACCEPTED

input
010101010101010101010101010101...
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correct output
0
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user output
0
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Test 4

Verdict: ACCEPTED

input
101010101010101010101010101010...
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correct output
0
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user output
0
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Test 5

Verdict: ACCEPTED

input
110101011010110100100111110110...
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correct output
499476
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user output
499476
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