delete pics to save space

1.1437.cpp

@@ -0,0 +1,27 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+const int maxn=55;
+int n,m,a[maxn][maxn],dp[maxn][maxn][1300],res;
+inline void upd(int &a,const int &b) { b>a?a=b:0; }
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	scanf("%d%d",&n,&m);
+	for(int i=1;i<=n;i++) for(int j=1;j<=n-i+1;j++) scanf("%d",&a[i][j]);
+	memset(dp,-127,sizeof(dp));
+	dp[n+1][0][0]=0;
+	for(int c=n;c>=1;c--)
+		for(int r=0,s=0;r<=n-c+1;r++,s+=a[r][c])
+			for(int k=r;k<=m;k++)
+				for(int l=max(0,r-1);l<=n-c;l++)
+				{
+					upd(dp[c][r][k],dp[c+1][l][k-r]+s);
+					upd(res,dp[c][r][k]);
+				}
+	printf("%d\n",res);
+	return 0;
+}