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#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[n], negativeCount = 0;
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    for (int i = 0; i < n; ++i) {
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        cin >> a[i];
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        if (a[i] < 0) {
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            negativeCount++;
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        }
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    }
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    cout << negativeCount;
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    return 0;
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}