Submission #3791746

---

Source Code Expand

# include <iostream>
const int MAX = 1e5 + 2;
using namespace std;
 
int main() {
    int N;
    int A[MAX];
    cin >> N;
    for (int i = 0; i < N; i++){
        cin >> A[i];
    }

    int ans = 0;
    int prev = -1;
    int cur;
    int cnt = 1;
    for (int i = 0; i < N; i++){
        cur = A[i];
        if (prev == cur) {
            cnt ++;
        } else {
            ans += cnt / 2;
            cnt = 1;
        }
        prev = cur;
    }
    ans += cnt / 2;
    cnt = 0;

    cout << ans << endl;
}

Submission Info

Judge Result