delete pics to save space

2.101.cpp

@@ -0,0 +1,55 @@
+#include<iostream>
+#include<string>
+#include<vector>
+using namespace std;
+const int maxn=30;
+int n;
+vector<int> pile[maxn];
+void find_block(int a,int& p,int& h)
+{
+	for(p=0;p<n;p++)
+		for(h=0;h<pile[p].size();h++)
+			if(pile[p][h]==a) return;
+}
+void clear_above(int p,int h)
+{
+	for(int i=h+1;i<pile[p].size();i++)
+		pile[pile[p][i]].push_back(pile[p][i]);
+	pile[p].resize(h+1);
+}
+void pile_onto(int p1,int h,int p2)
+{
+	for(int i=h;i<pile[p1].size();i++)
+		pile[p2].push_back(pile[p1][i]);
+	pile[p1].resize(h);
+}
+void print()
+{
+	for(int i=0;i<n;i++)
+	{
+		cout<<i<<':';
+		for(int j=0;j<pile[i].size();j++) cout<<' '<<pile[i][j];
+		cout<<endl;
+	}
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	int a,b,pa,pb,ha,hb;
+	cin>>n;
+	string s1,s2;
+	for(int i=0;i<n;i++) pile[i].push_back(i);
+	while(cin>>s1>>a>>s2>>b)
+	{
+		find_block(a,pa,ha);
+		find_block(b,pb,hb);
+		if(pa==pb) continue;
+		if(s2=="onto") clear_above(pb,hb);
+		if(s1=="move") clear_above(pa,ha);
+		pile_onto(pa,ha,pb);
+	}
+	print();
+	return 0;
+}