【DP】 HDU 5115 Dire Wolf 区间DP

#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <string>
#include <iostream>
#include <algorithm>
#include <sstream>
#include <cmath>
using namespace std;
#include <queue>
#include <stack>
#include <set>
#include <vector>
#include <deque>
#include <map>
#define cler(arr, val) memset(arr, val, sizeof(arr))
#pragma comment(linker, "/STACK:102400000,102400000")
typedef long long LL;
const int MAXN = 230+1;
const int MAXM = 140000;
const int INF = 0x3f3f3f3f;
const int mod = 1000000007;
int a[3000],b[3000];
int dp[300][300];
int dfs(int l,int r)
{
if(l+1>=r) return 0;
if(dp[l][r]!=⑴) return dp[l][r];
dp[l][r]=INF;
for(int i=l+1;i<r;i++)
{
dp[l][r]=min(dp[l][r],dfs(l,i)+dfs(i,r)+a[i]+b[l]+b[r]);
}
return dp[l][r];
}
int main()
{
#ifndef ONLINE_JUDGE
freopen("in.txt", "r", stdin);
// freopen("out.txt", "w", stdout);
#endif
int t,n,cas=1;
cin>>t;
while(t–)
{
cin>>n;
cler(dp,⑴);
a[0]=b[0]=a[n+1]=b[n+1]=0;
for(int i=1;i<=n;i++)
scanf("%d",&a[i]);
for(int i=1;i<=n;i++)
scanf("%d",&b[i]);
printf("Case #%d: %d
",cas++,dfs(0,n+1));
}
return 0;
}