It looks like the array indexing got removed from both. 
Try these
//�o�C�i���`�����S�o�����
var f,i,tem;
f = file_bin_open("DeathTime",1);
for(i = 1; i <= 3; i += 1){
  
  tem = global.death[i];
  file_bin_write_byte(f,floor(tem/1000000));
  tem -= floor(tem/1000000)*1000000;
  file_bin_write_byte(f,floor(tem/10000));
  tem -= floor(tem/10000)*10000;
  file_bin_write_byte(f,floor(tem/100));
  tem -= floor(tem/100)*100;
  file_bin_write_byte(f,tem);
  
  tem = global.time[i];
  file_bin_write_byte(f,floor(tem/1000000));
  tem -= floor(tem/1000000)*1000000;
  file_bin_write_byte(f,floor(tem/10000));
  tem -= floor(tem/10000)*10000;
  file_bin_write_byte(f,floor(tem/100));
  tem -= floor(tem/100)*100;
  file_bin_write_byte(f,tem);
  
  tem = global.microtime[i];
  file_bin_write_byte(f,floor(tem/1000000));
  tem -= floor(tem/1000000)*1000000;
  file_bin_write_byte(f,floor(tem/10000));
  tem -= floor(tem/10000)*10000;
  file_bin_write_byte(f,floor(tem/100));
  tem -= floor(tem/100)*100;
  file_bin_write_byte(f,tem);
}
file_bin_write_byte(f,global.L);
file_bin_write_byte(f,global.R);
file_bin_write_byte(f,global.stopMusic);
file_bin_close(f);
var f,i;
if(file_exists("DeathTime") == false){
  f = file_bin_open("DeathTime",1);
  for(i = 1; i <= 3; i += 1){
    
    file_bin_write_byte(f,global.death[i]);
    file_bin_write_byte(f,global.death[i]);
    file_bin_write_byte(f,global.death[i]);
    file_bin_write_byte(f,global.death[i]);
    
    file_bin_write_byte(f,global.time[i]);
    file_bin_write_byte(f,global.time[i]);
    file_bin_write_byte(f,global.time[i]);
    file_bin_write_byte(f,global.time[i]);
    
    file_bin_write_byte(f,global.microtime[i]);
    file_bin_write_byte(f,global.microtime[i]);
    file_bin_write_byte(f,global.microtime[i]);
    file_bin_write_byte(f,global.microtime[i]);
  }
  file_bin_close(f);
}else{
  f = file_bin_open("DeathTime",0);
  for(i = 1; i <= 3; i += 1){
    
    global.death[i] = file_bin_read_byte(f)*1000000;
    global.death[i] += file_bin_read_byte(f)*10000;
    global.death[i] += file_bin_read_byte(f)*100;
    global.death[i] += file_bin_read_byte(f);
    
    global.time[i] = file_bin_read_byte(f)*1000000;
    global.time[i] += file_bin_read_byte(f)*10000;
    global.time[i] += file_bin_read_byte(f)*100;
    global.time[i] += file_bin_read_byte(f);
    
    global.microtime[i] = file_bin_read_byte(f)*1000000;
    global.microtime[i] += file_bin_read_byte(f)*10000;
    global.microtime[i] += file_bin_read_byte(f)*100;
    global.microtime[i] += file_bin_read_byte(f);
  }
global.L = file_bin_read_byte(f);
global.R = file_bin_read_byte(f);
global.music = file_bin_read_byte(f);
  file_bin_close(f);
}