delete pics to save space

2.11400.cpp

@@ -0,0 +1,37 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+int n;
+int s[1005],d[1005];
+struct node
+{
+	int v,k,c,l;
+};
+node a[1005];
+bool cmp(const node& a,const node& b)
+{
+	return a.v<b.v;
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	while(scanf("%d",&n)==1&&n)
+	{
+		memset(s,0,sizeof(s));
+		for(int i=1;i<=n;i++) scanf("%d%d%d%d",&a[i].v,&a[i].k,&a[i].c,&a[i].l);
+		sort(a+1,a+n+1,cmp);
+		for(int i=1;i<=n;i++)
+			s[i]=s[i-1]+a[i].l;
+		for(int i=1;i<=n;i++)
+		{
+			d[i]=1<<30;
+			for(int j=0;j<i;j++)
+				d[i]=min(d[i],d[j]+(s[i]-s[j])*a[i].c+a[i].k);
+		}
+		printf("%d\n",d[n]);
+	}
+	return 0;
+}