delete pics to save space

2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions
--- a/p.CH5301.cpp
+++ b/p.CH5301.cpp
@ -0,0 +1,29 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+const int maxn=305;
+int n,a[maxn],s[maxn],f[maxn][maxn];
+int main()
+{
+	#ifdef local
+	freopen("pro.in","r",stdin);
+	#endif
+	scanf("%d",&n);
+	for(int i=1;i<=n;i++) scanf("%d",&a[i]);
+	memset(f,0x3f,sizeof(f));
+	for(int i=1;i<=n;i++)
+	{
+		f[i][i]=0;
+		s[i]=s[i-1]+a[i];
+	}
+	for(int len=2;len<=n;len++)
+		for(int l=1;l+len-1<=n;l++)
+		{
+			int r=l+len-1;
+			for(int k=l;k<r;k++) f[l][r]=min(f[l][r],f[l][k]+f[k+1][r]);
+			f[l][r]+=s[r]-s[l-1];
+		}
+	printf("%d\n",f[1][n]);
+	return 0;
+}