mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-12-25 19:12:02 +00:00
30 lines
441 B
C++
30 lines
441 B
C++
#include <iostream>
|
|
|
|
using std::cin;
|
|
using std::cout;
|
|
const char endl = '\n';
|
|
|
|
const int N = 1005;
|
|
|
|
int n, m, a[N], f[N];
|
|
|
|
int main() {
|
|
std::ios::sync_with_stdio(false);
|
|
|
|
cin >> n >> m;
|
|
for (int i = 1; i <= n; i++) {
|
|
cin >> a[i];
|
|
}
|
|
|
|
f[0] = 1;
|
|
for (int i = 1; i <= n; i++) {
|
|
for (int j = m; j >= a[i]; j--) {
|
|
f[j] += f[j - a[i]];
|
|
}
|
|
}
|
|
|
|
cout << f[m] << endl;
|
|
|
|
return 0;
|
|
}
|