i need help with this

//Jeremy Blum's Arduino Tutorial Series - Episode 13 - LCDs//Sample Code - LCD Progress Bar//http://www.jeremyblum.com//LiquidCrystal library by David A. Mellis, Limor Fried (http://www.ladyada.net), and Tom Igoe//http://www.arduino.cc/en/Tutorial/LiquidCrystal /* The circuit: * LCD RS pin to digital pin 2 * LCD Enable pin to digital pin 3 * LCD D4 pin to digital pin 4 * LCD D5 pin to digital pin 5 * LCD D6 pin to digital pin 6 * LCD D7 pin to digital pin 7 * LCD R/W pin to ground * 10K resistor: * ends to +5V and ground * wiper to LCD VO pin (pin 3) */ // include the library code:#include // initialize the library with the numbers of the interface pinsLiquidCrystal lcd(2, 3, 4, 5, 6, 7); byte p20[8] = { B10000, B10000, B10000, B10000, B10000, B10000, B10000,};byte p40[8] = { B11000, B11000, B11000, B11000, B11000, B11000, B11000,};byte p60[8] = { B11100, B11100, B11100, B11100, B11100, B11100, B11100,};byte p80[8] = { B11110, B11110, B11110, B11110, B11110, B11110, B11110,};byte p100[8] = { B11111, B11111, B11111, B11111, B11111, B11111, B11111,}; void setup() { // set up the LCD's number of columns and rows: lcd.begin(16, 2); // Print a message to the LCD. lcd.print("Jeremy's Display"); //Make progress characters lcd.createChar(0, p20); lcd.createChar(1, p40); lcd.createChar(2, p60); lcd.createChar(3, p80); lcd.createChar(4, p100);} void loop() { lcd.setCursor(0,1); lcd.print(" "); for (int i = 0; i<16; i++) { for (int j=0; j<5; j++) { lcd.setCursor(i, 1); lcd.write(j); delay(100); } } }