JZOJ 5184. 【NOIP2017提高组模拟6.29】Gift
5184. 【NOIP2017提高组模拟6.29】Gift (Standard IO)
Description
Input
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" alt=" " />
Output
Sample Input
input 1:
6 25
8 9 8 7 16 5
input 2:
30 250
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Sample Output
output 1:
15
output 2:
6509431
Data Constraint
#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
#define mo 10000007
#define LL long long
#define N 1007
using namespace std;
int n, m, a[N], Pre[N];
LL f[N][N], ans; int main()
{
scanf("%d%d", &n, &m);
for (int i = ; i <= n; scanf("%d", &a[i++]));
sort(a + , a + n + );
for (int i = ; i <= n; i++)
Pre[i] = Pre[i - ] + a[i];
if (Pre[n] <= m)
{
printf("");
return ;
}
f[n + ][m] = ;
for (int i = n; i; i--)
{
for (int j = Pre[i - ], k = min(m + , Pre[i - ] + a[i]); j < k; j++) ans = (ans + f[i + ][j]) % mo;
for (int j = m - a[i]; j >= ; j--)
f[i][j] = (f[i][j] + f[i + ][j] + f[i + ][j + a[i]]) % mo;
for (int j = m; j >= m - a[i] + ; j--)
f[i][j] = (f[i][j] + f[i + ][j]) % mo;
}
printf("%lld", ans);
}
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