#include <TM1637Display.h>
#define CLKL 3
#define DIOL 4
#define CLKR 5
#define DIOR 6
int state = 0;

TM1637Display displayL = TM1637Display(CLKL, DIOL);
TM1637Display displayR = TM1637Display(CLKR, DIOR);
byte dot = 255;
void setup() {
  displayL.setBrightness(5);
  displayL.clear();
  displayR.setBrightness(5);
  displayR.clear();
  displayL.showNumberDecEx(1000, dot);
  displayR.showNumberDecEx(1000, dot);

  pinMode(8, INPUT_PULLUP);
  pinMode(7, INPUT_PULLUP);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
}
int minL = 10;
int secL = 0;
int minR = 10;
int secR = 0;

int player = 1;
bool start = true;
void loop() {
  if(player == 1 && start)
  {
     digitalWrite(9,LOW);
    digitalWrite(10,HIGH);
    if(secR == 0)
    {
      minR--;
      secR = 59;
    }
    else
      secR--;
    int timeR = minR * 100 + secR;
    if(timeR > 0)
    {
      displayR.showNumberDecEx(timeR, dot);
    }
  } 
  else{
    digitalWrite(9,LOW);
    digitalWrite(10,HIGH);
    if(secL == 0)
    {
      minL--;
      secL = 59;
    }
    else
      secL--;
    int timeL = minL * 100 + secL;
    if(timeL > 0)
    {
      displayL.showNumberDecEx(timeL, dot);
    }
  }
  for(int j = 0; j < 100; j++)
  {
    if(digitalRead(8) == LOW)
    {
      while(digitalRead(8) == LOW);
      if(state == 0)
        state = 1;
      else
        state = 0;
    }
    delay(10);
  }
  } 
  if(player == 2 && start){
       digitalWrite(9,LOW);
    digitalWrite(10,HIGH);
    if(secR == 0)
    {
      minR--;
      secR = 59;
    }
    else
      secR--;
    int timeR = minR * 100 + secR;
    if(timeR > 0)
    {
      displayR.showNumberDecEx(timeR, dot);
    }
  } 
  else{
    digitalWrite(9,HIGH);
    digitalWrite(10,LOW);
    if(secR == 0)
    {
      minR--;
      secR = 59;
    }
    else
      secR--;
    int timeR = minR * 100 + secR;
    if(timeR > 0)
    {
      displayR.showNumberDecEx(timeR, dot);
    }
  }
  for(int j = 0; j < 100; j++)
  {
    if(digitalRead(8) == LOW)
    {
      while(digitalRead(8) == LOW);
      if(player == 1)
        player = 2;
      else
        player = 1;
    }
    if(digitalRead(7) == LOW)
    {
      while(digitalRead(7) == LOW);
      if(player == 1)
        player = 2;
      else
        player = 1;
    }
    delay(10);
  }
    }
  if(digitalRead(7) == LOW){
    while(digitalRead(7) == LOW);
    minL = 10;
    secL = 0;
    minR = 10;
    secR = 0;
    if(player == 1){
        player = 2;
      }
    else{
        player = 1;
      }
    return true;
  }
  }