delete pics to save space

2.12186.cpp

@@ -0,0 +1,37 @@
+#include<cstdio>
+#include<vector>
+#include<algorithm>
+using namespace std;
+const int maxn=100005;
+int N,T,x;
+vector<int> sons[maxn];
+int dp(int u)
+{
+	if(sons[u].empty()) return 1;
+	int k=sons[u].size();
+	vector<int> d;
+	for(int i=0;i<k;i++)
+		d.push_back(dp(sons[u][i]));
+	sort(d.begin(),d.end());
+	int c=(k*T-1)/100+1;
+	int ans=0;
+	for(int i=0;i<c;i++) ans+=d[i];
+	return ans;
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	while(scanf("%d%d",&N,&T)==2&&N&&T)
+	{
+		for(int i=0;i<=N;i++) sons[i].clear();
+		for(int i=1;i<=N;i++)
+		{
+			scanf("%d",&x);
+			sons[x].push_back(i);
+		}
+		printf("%d\n",dp(0));
+	}
+	return 0;
+}