delete pics to save space

2.699.cpp

@@ -0,0 +1,38 @@
+#include<iostream>
+#include<cstring>
+using namespace std;
+const int maxn=10000;
+int sum[maxn+5];
+void build(int p)
+{
+	int v;
+	cin>>v;
+	if(v==-1) return;
+	sum[p]+=v;
+	build(p-1);
+	build(p+1);
+}
+bool init()
+{
+	int v;
+	cin>>v;
+	if(v==-1) return 0;
+	memset(sum,0,sizeof(sum));
+	int pos=maxn/2;
+	sum[pos]=v;
+	build(pos-1);
+	build(pos+1);
+}
+int main()
+{
+	int kase=0;
+	while(init())
+	{
+		int p=0;
+		while(sum[p]==0) p++;
+		cout<<"Case "<<++kase<<":\n"<<sum[p++];
+		while(sum[p]!=0) cout<<' '<<sum[p++];
+		cout<<'\n'<<endl;
+	}
+	return 0;
+}