【POJ2136】Vertical Histogram（简单模拟）

比较简单，按照样例模拟就好！~

#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <cctype>
#include <cmath>
#include <algorithm>
#include <numeric>
#include <vector>
#include <map>
using namespace std;

int let[26];

int main () {
    string text = "", in;
    for (int i = 0 ; i < 4; ++ i) {
        getline(cin, in);
        text += in;
    }
    //cout << text << endl;
    memset (let, 0, sizeof (let));
    int Max = 0;
    for (int i = 0; i < text.size(); ++ i) {
        if (isalpha(text[i])) {
            let[text[i] - 'A'] ++;
            Max = max (Max, let[text[i] - 'A']);
        }
    }
    /*
    for (int i = 0 ; i< 26; ++i) {
        cout << (char)('A' + i) << ": " << let[i] << endl;
    }
    */
    //cout << Max << endl;
    for (int i = 1; i <= Max; ++ i) {
        string text_line = "";
        for (int j = 0 ; j < 26; ++ j) {
            if (i > Max - let[j]) {
                text_line += "*";
            } else {
                text_line += " ";
            }
            if (j != 25) text_line += " ";
        }
        cout << text_line << endl;
    }
    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");
    return 0;
}