delete pics to save space

2.12166.cpp

@@ -0,0 +1,55 @@
+#include <iostream>
+#include <string>
+#include <map>
+#include <cstdio>
+#include <algorithm>
+using namespace std;
+typedef long long LL;
+string line;
+map<LL,int> base;	   //LL±íʾ×ÜÖØÁ¿£¬int±íʾ³öÏֵĴÎÊý
+int sum;
+void dfs(int depth,int s, int e)
+{
+	if(line[s]=='[')
+	{
+		int p=0;
+		for(int i=s+1;i!=e;++i)
+		{
+			if(line[i]=='[')++p;
+			if(line[i]==']')--p;
+			if(p==0&&line[i]==',')
+			{
+				dfs(depth+1,s+1,i-1);
+				dfs(depth+1,i+1,e-1);
+			}
+		}
+	}
+	else
+	{
+		LL w =0;
+		for(int i=s;i<=e;++i) w=w*10+line[i]-'0';
+		++sum;++base[w<<depth];
+		//³ÓíȵÄ×ÜÖØÁ¿(w<<depth)³öÏֵĴÎÊý+1£¬³ÓíÈ×ÜÊý(sum)+1£»
+	}
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	ios::sync_with_stdio(false); //È¡ÏûcinºÍstdinͬ²½£¬Ê¹µÃcinËÙ¶ÈÏ൱ÓÚscanf
+	int T;
+	cin>>T;
+	while(T--)
+	{
+		cin>>line;
+		base.clear();   //Çå¿Õmap
+		sum =0;		 //×ÜÊýÇåÁã
+		dfs(0,0,(int)line.size()-1);
+		int maxn=0;
+		for(auto it = base.begin();it != base.end(); ++it)
+			maxn = max(maxn,it->second);
+		cout<<sum-maxn<<endl;
+	}
+	return 0;
+}