UVa 488 Triangle Wave

题目大意：
给你振幅和频率，让你画出波形。
如：

3
2

波形为：

1
22
333
22
1

1
22
333
22
1

#include <iostream>
using namespace std;
void print(int a, int b);

int main()
{
    int n, leap, a, b;
    cin >> n;
    leap = 0;
    
    while(n--){
        if (leap != 0)
        //    cout << "CR"<<endl;
        cout << endl;

        leap++;
        cin >> a >> b;
        print(a, b);
    }
}

//a为振幅，b为频率
void print(int a, int b)
{
    for (int i = 0; i < b; i++){ //一共打印b个波浪

        for (int j = 1; j < a; j++){   //打印波峰之前
            for (int k = 1; k <= j; k++){  //打印每行
                cout << j;
            }
            cout << endl;
    }


        for (int j = 1; j <= a; j++){ //打印波峰
            cout << a;
        }

        for (int j = a - 1; j >= 1; j--){ //打印波峰之后
            for (int k = 1; k <= j; k++ ){ //打印每行
                cout << j;
            }
            cout << endl;
        }
        if(i != b - 1)
        //    cout << "LF" << endl;
        cout << endl;
    }
}