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python/TangDou/XiTi/1327.cpp

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2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
int a[1000];
for (int i = 0; i < n; i++) {
cin >> a[i];
}
int count = 0;
bool lian = false;
for (int i = 1; i < n; i++) {
if (a[i] == a[i - 1] && !lian) {
lian = !lian;
}
if (a[i] != a[i - 1]) {
lian = false;
count++;
}
}
cout << ++count << endl;
return 0;
}