delete pics to save space

2.1262.cpp

@@ -0,0 +1,49 @@
+#include<iostream>
+#include<vector>
+#include<cstring>
+#include<algorithm>
+#include<cmath>
+using namespace std;
+int T,k;
+bool found[7][128];
+char x;
+vector<char> can[7];
+int last[7];
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	scanf("%d",&T);
+	while(T-->0)
+	{
+		memset(found,0,sizeof(found));
+		for(int i=1;i<=5;i++) can[i].clear();
+		cin>>k;
+		for(int i=1;i<=6;i++)
+			for(int j=1;j<=5;j++)
+				found[j][cin>>x,x]=1;
+		for(int i=1;i<=6;i++)
+			for(int j=1;j<=5;j++)
+				if(found[j][cin>>x,x])
+				{
+					can[j].push_back(x);
+					found[j][x]=0;
+				}
+		for(int i=1;i<=5;i++) sort(can[i].begin(),can[i].end());
+		last[5]=1;
+		for(int i=4;i>=0;i--) last[i]=last[i+1]*can[i+1].size();
+		if(k>last[0]) cout<<"NO"<<endl;
+		else
+		{
+			for(int i=1;i<=5;i++)
+			{
+			    int j=ceil((double)k/last[i])-1;
+			    cout<<can[i][j];
+			    k-=last[i]*j;
+			}
+			cout<<endl;
+		}
+	}
+	return 0;
+}