pku2136 Vertical Histogram

统计字符串中各个字母出现的次数并且输出一个柱状统计图，注意用鼠标去划一下，每两个‘*’柱之间有空格。。

其他的就是模拟了，水题

View Code

 1 program pku2136(input,output);
 2 var
 3     map   :array[0..73,'A'..'Z'] of boolean;
 4     number:array['A'..'Z'] of integer;
 5     max:longint;
 6 procedure init;
 7 var
 8     s:ansistring;
 9     i,j:longint;
10 begin
11     fillchar(map,sizeof(map),false);
12     fillchar(number,sizeof(number),0);
13     for i:=1 to 4 do
14     begin
15         readln(s);
16         for j:=1 to length(s) do
17         if (s[j] in ['A'..'Z']) then    
18             inc(number[s[j]]);
19     end;
20 end;{ init }
21 procedure main();
22 var
23     ch:char;
24     i:longint;
25 begin
26     max:=0;
27     for ch:='A' to 'Z' do
28     if number[ch]>max then
29         max:=number[ch];
30     for ch:='A' to 'Z' do
31         for i:=max downto max-number[ch]+1 do
32             map[i,ch]:=true;
33     for i:=1 to max do
34         for ch:='A' to 'Z' do
35         begin    
36             if (map[i,ch]) then
37                 write('*')
38             else
39                 write(' ');
40             if ch<>'Z' then
41                 write(' ');
42             if ch='Z' then
43                 writeln;
44         end;
45     for ch:='A' to 'Z' do
46     begin
47         write(ch);
48         if ch<>'Z' then
49             write(' ')
50         else
51             writeln;
52     end;
53 end;{ main }
54 begin
55     init;
56     main;
57 end.