0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-08 12:58:48 +00:00
Baoshuo Ren 2022-04-05 20:18:13 +08:00
parent 3a25292160
commit c8ab9bc261
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68

28
AcWing/279/279.cpp Normal file
View File

@ -0,0 +1,28 @@
#include <iostream>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 4005;
const long long mod = 2147483648;
int n;
long long f[N];
int main() {
std::ios::sync_with_stdio(false);
cin >> n;
f[0] = 1;
for (int i = 1; i <= n; i++) {
for (int j = i; j <= n; j++) {
f[j] = (f[j] + f[j - i]) % mod;
}
}
cout << f[n] - 1 << endl;
return 0;
}