标签：const int scanf NOIP2018 货币 P5020 include
#include <cstdio>
#include <algorithm>
using namespace std;
const int N = 105;
const int A = 25005;
int a[N];
bool dp[A];
int main()
{
int t; scanf("%d", &t);
while (t--) {
int n; scanf("%d", &n);
for (int i = 1; i <= n; i++) {
scanf("%d", &a[i]);
}
sort(a + 1, a + n + 1);
for (int i = 1; i <= a[n]; i++) dp[i] = false;
dp[0] = true;
int ans = n;
for (int i = 1; i <= n; i++) {
if (dp[a[i]]) {
ans--; continue;
}
for (int j = a[i]; j <= a[n]; j++)
dp[j] |= dp[j - a[i]];
}
printf("%d\n", ans);
}
return 0;
}
标签：const,
int,
scanf,
NOIP2018,
货币,
P5020,
include
From： https://www.cnblogs.com/ronchen/p/17736389.html