Submission #3790010

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Source Code Expand

#include <iostream>
using namespace std;
int main(int argc, char** argv) {
    int n; cin >> n;
    int a[n]; for (int i = 0; i < n; i++) cin >> a[i];
    int i = 0, ans = 0;
    while (i < n) {
        int v = a[i], j = i;
        do { j++; } while (j < n && a[j] == v);
        ans += (j - i) / 2;
        i = j;
    }
    cout << ans << endl;
}

Submission Info

Judge Result