int program(int argc, string[] argv) {
  var n = 500;
  return leastsquare(n);
}

/*finds the least number of squares to sum up to n*/

int leastsquare(int n) {
  var cache = new int[]{n+1};
  cache[0] = 0;
  cache[1] = 1;
  cache[2] = 2;
  cache[3] = 3;
  for (var i = 4; i < n + 1; i=i+1;) {
    /*set to some arbitrary high number*/
    cache[i] = i;
  
    for (var k = 1; k < n; k = k + 1;) {
      var temp = k*k;
      if (temp > i) {
        
      } else {
        cache[i] = min(cache[i], 1 + cache[i - temp]);
      }
    }
  }
  return cache[n];
}




int min(int y, int x) {
  if (x > y) {
    return y;
  } else {
    return x;
  }
}