delete pics to save space

history_source/ccf 基础篇/U1/1.6.2.cpp

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+#include<iostream>
+#include<vector>
+using namespace std;
+long long zk(int sr)
+{
+	if(sr==2) return 2;
+	if(sr==1) return 1;
+	return zk(sr-1)*2+zk(sr-2);
+}
+int main()
+{
+	vector <int> sr;
+	int n;
+	while(true)
+	{
+		cin>>n;
+		sr.resize(n);
+		for(int i=0;i<n;i++) cin>>sr[i];
+		for(int i=0;i<n;i++) cout<<zk(sr[i])<<endl;
+	}
+}