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29 lines
488 B
29 lines
488 B
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int n;
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cin >> n;
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int a[1000];
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for (int i = 0; i < n; i++) {
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cin >> a[i];
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}
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int count = 0;
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bool lian = false;
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for (int i = 1; i < n; i++) {
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if (a[i] == a[i - 1] && !lian) {
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lian = !lian;
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}
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if (a[i] != a[i - 1]) {
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lian = false;
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count++;
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}
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}
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cout << ++count << endl;
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return 0;
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}
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