三角波（488）

#include
#include
#include

using namespace std;

int main()
{
 int cases;
 cin >> cases;
 int freq,height;
 for (int i = 0; i != cases;i++)
 {
  cin >> height >> freq;
  for(int times = 0;times != freq;times++)
  {
   for(int len = 1; len <= (2*height - 1) ;len++)
   {
    int number;
    number = (len - height) > 0 ? ( len - height ):(height - len);
    number = height- number;
    for(int j = 0;j != number ;j++)
     cout << number;
    cout << endl;
   }
   if(times != (freq -1))
    cout << endl;
  }
  if (i != (cases - 1))
   cout << endl;
 }
 return 0;
}