mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-25 03:28:48 +00:00
38 lines
602 B
C++
38 lines
602 B
C++
|
#include <algorithm>
|
||
|
#include <iostream>
|
||
|
|
||
|
using std::cin;
|
||
|
using std::cout;
|
||
|
const char endl = '\n';
|
||
|
|
||
|
int t, n, a[1010];
|
||
|
|
||
|
signed main() {
|
||
|
std::ios::sync_with_stdio(false);
|
||
|
|
||
|
cin >> t;
|
||
|
|
||
|
while (t--) {
|
||
|
int cnt = 0;
|
||
|
|
||
|
cin >> n;
|
||
|
for (int i = 0; i < n; i++) {
|
||
|
cin >> a[i];
|
||
|
}
|
||
|
|
||
|
std::sort(a, a + n);
|
||
|
|
||
|
for (int i = 0; i < n; i++) {
|
||
|
cnt += !a[i];
|
||
|
}
|
||
|
|
||
|
bool f = false;
|
||
|
for (int i = 1; i < n; i++)
|
||
|
f = f || (a[i] == a[i - 1]);
|
||
|
|
||
|
cout << (cnt ? n - cnt : n + !f) << endl;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|