#include <iostream>
#include <vector>

using namespace std;

// 统计数据数量
vector<int> countData(vector<int> data, int bin) {
    int n = bin + 1;
    vector<int> counts(n, 0);
    for (int i = 0; i < data.size(); i++) {
        int index = data[i] / (10 / bin);
        counts[index]++;
    }
    return counts;
}

// 绘制直方图
void drawHistogram(vector<int> counts) {
    int maxHeight = 0;
    for (int i = 0; i < counts.size(); i++) {
        if (counts[i] > maxHeight) {
            maxHeight = counts[i];
        }
    }
    for (int i = maxHeight; i > 0; i--) {
        cout << "| ";
        for (int j = 0; j < counts.size(); j++) {
            if (counts[j] >= i) {
                cout << "*";
            } else {
                cout << " ";
            }
            cout << " | ";
        }
        cout << endl;
    }
    cout << "+-";
    for (int j = 0; j < counts.size(); j++) {
        cout << "-+-";
    }
    cout << endl;
    cout << "| ";
    for (int i = 0; i < counts.size(); i++) {
        cout << i << " | ";
    }
    cout << endl;
}

int main() {
    vector<int> data = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    int bin = 5;
    vector<int> counts = countData(data, bin);
    drawHistogram(counts);
    return 0;
}

|   * |
|   * |
| * * |
| * * |
| * * |
| * * |
| * * |
| * * |
| * * |
| * * | 
+-+--+--+--+--+--+
| 0  1  2  3  4  5 |