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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 11:16:16
Task:Inversions
Sender:Tefyn virallinen maajoukkue
Submission time:2018-05-26 11:16:16
Language:C++
Status:READY
Result:ACCEPTED

Test results

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

Code

#include <bits/stdc++.h>

using namespace std;

int main(){
    string s;
    cin >> s;
    int n = s.length();
    int d1 = 0, d2 = 0;
    for(int i = 0; i < n; ++i){
        if(i%2 == 0){
            if(s[i] == '0')
                d1++;
            else
                d2++;
            
        }
        else {
         if(s[i] == '0')
                d2++;
            else
                d1++;
            
            
        }
        
    }
    cout << min(d1, d2) << endl;
    return 0;
}

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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