blink board

#include <stdio.h>   // not sure if i used anything from this library or really what library I do even need, will remove and retest if program functions correctly

int motoPin = 1;    // motoPin goes to a relay to power a 12v waterpump
int fivPin = 2;
int tenPin = 3;        // input pins assigned pins and variables
int fiftnPin = 4;

int usrInput();     //initilize funtion

void setup()
{
  int j = 0;
  pinMode(motoPin, OUTPUT);
  pinMode(fivPin, INPUT);
  pinMode(tenPin, INPUT);
  pinMode(fiftnPin, INPUT);
  for (j = 0; j < 3; j++)    //j is declared and used to iterate loop 3 times to signel boot and operational
  {
    digitalWrite(motoPin, HIGH);
    delay(500);
    digitalWrite(motoPin, LOW);
    delay(500);
  }
  delay(2000);
}
void loop()
{
  int i = 0, n = 15;    //set n defualt value to 15 so it rests for 15 minutes on defualt
  digitalWrite(motoPin, HIGH);
    for (i = 0; i < 30000; i++)   // for 1 minute (1ms* 60*1000) run pump and look for input from usrInput function THIS IS THE RUN PORTION
    {
      delay(1);
      n == usrInput( n );
    }
   digitalWrite(motoPin, LOW);
    for (i = 0; i < (n*60*1000); i++)  //turn off and wait for n minutes before running again THIS IS THE WAIT PORTION
    {
      delay(1);
      n == usrInput ( n );
    }
}

int usrInput(int t)   // this accepts user input as grounding out of pins on the IC
{
 if (digitalRead(fivPin) == LOW)      //if the five minute (or any input pin) delay pin is grounded during this funtion, set the value of t to 5 (or other according value) and iterate the wait loop for that long in minutes
  {
    t = 5;
    return t;
  }
  if (digitalRead(tenPin) == LOW)
  {
    t = 10;
    return t;
  }
  if (digitalRead(fiftnPin) == LOW)
  {
    t = 15;
    return t;
  }
  return t;  // return the value of t to the function call
}