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/1.1040.cpp
+++ b/1.1040.cpp
@ -0,0 +1,44 @@
+#include<cstdio>
+using namespace std;
+int n,v[31],dp[31][31],root[31][31],l,r;
+void print(int l,int r)
+{
+    if(l>r) return;
+    printf("%d ",root[l][r]);
+    print(l,root[l][r]-1);
+    print(root[l][r]+1,r);
+}
+int main()
+{
+    scanf("%d",&n);
+    for(int i=1;i<=n;i++)
+    {
+        scanf("%d",&v[i]);
+        dp[i][i]=v[i]; 
+        root[i][i]=i;
+    }
+    for(int k=2;k<=n;k++)
+        for(int l=1;l+k-1<=n;l++)
+        {
+            r=l+k-1;
+            if(dp[l][r]<v[l]+dp[l+1][r])
+            {
+                dp[l][r]=v[l]+dp[l+1][r];
+                root[l][r]=l;
+            }
+            if(dp[l][r]<v[r]+dp[l][r-1])
+            {
+                dp[l][r]=v[r]+dp[l][r-1];
+                root[l][r]=r;
+            }
+            for(int i=l+1;i<=r-1;i++)
+                if(dp[l][i-1]*dp[i+1][r]+v[i]>dp[l][r])
+                {
+                    dp[l][r]=v[i]+dp[l][i-1]*dp[i+1][r];
+                    root[l][r]=i;
+            	}
+        }
+    printf("%d\n",dp[1][n]);
+    print(1,n);
+    return 0;
+}