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OI-codes/Codeforces/1691/A/A.cpp

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#include <iostream>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 1e5 + 5;
int t, n;
int main() {
std::ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> t;
while (t--) {
cin >> n;
int cnt1 = 0, cnt2 = 0;
for (int i = 0, x; i < n; i++) {
cin >> x;
if (x & 1) {
cnt1++;
} else {
cnt2++;
}
}
cout << std::min(cnt1, cnt2) << endl;
}
return 0;
}