摘要：
要注意边界条件的判断(第一次写的麻烦了。。)# include # include # include # define inf 0x8fffffff;using namespace std;int max(int a,int b){ return a>b?a:b;}int dp[2][4000][2],v[4000];int main(){ int n,b,i,j,ans = 0; scanf("%d%d",&n,&b); for (i=1;i<=n;++i) scanf("%d",&v[i]); memset(dp 阅读全文