【POJ2136】Vertical Histogram（简单模拟）

比较简单，按照样例模拟就好！~
 1 #include <iostream>
 2 #include <cstdlib>
 3 #include <cstdio>
 4 #include <cstring>
 5 #include <cctype>
 6 #include <cmath>
 7 #include <algorithm>
 8 #include <numeric>
 9 #include <vector>
10 #include <map>
11 using namespace std;
12 
13 int let[26];
14 
15 int main () {
16     string text = "", in;
17     for (int i = 0 ; i < 4; ++ i) {
18         getline(cin, in);
19         text += in;
20     }
21     //cout << text << endl;
22     memset (let, 0, sizeof (let));
23     int Max = 0;
24     for (int i = 0; i < text.size(); ++ i) {
25         if (isalpha(text[i])) {
26             let[text[i] - 'A'] ++;
27             Max = max (Max, let[text[i] - 'A']);
28         }
29     }
30     /*
31     for (int i = 0 ; i< 26; ++i) {
32         cout << (char)('A' + i) << ": " << let[i] << endl;
33     }
34     */
35     //cout << Max << endl;
36     for (int i = 1; i <= Max; ++ i) {
37         string text_line = "";
38         for (int j = 0 ; j < 26; ++ j) {
39             if (i > Max - let[j]) {
40                 text_line += "*";
41             } else {
42                 text_line += " ";
43             }
44             if (j != 25) text_line += " ";
45         }
46         cout << text_line << endl;
47     }
48     puts("A B C D E F G H I J K L M N O P Q R S T U V W X Y Z");
49     return 0;
50 }