dp[i]=min(dp[i],dp[j]+dp[i-j]+m)//dp [i]里放着i只牛渡河最少时间
View Code
#include<stdio.h>
int dp[2509];
int a[2509];
int min(int a,int b)
{
return a>b?b:a;
}
int main()
{
int n,m;
while(scanf("%d%d",&n,&m)!=EOF)
{
int i,add=0;
for(i=1;i<=n;i++)
{
int temp;
scanf("%d",&temp);
add+=temp;
a[i]=add+m;
dp[i]=a[i];
}
int j;
for(i=2;i<=n;i++)
{
for(j=1;j<i;j++)
{
dp[i]=min(dp[i],dp[i-j]+dp[j]+m);
}
}
printf("%d\n",dp[n]);
}
}