[Tutorial] How to make a stopwatch

http://fatalis.ampaste.net/f197be2e1

#include 

new bool:timer_started[32]
new Float:timer[32]


public plugin_init() {
 register_plugin("Stopwatch", "Tolsty", "1.0");
 set_task(0.1,"timer_task",20000,"",0,"ab")
 register_clcmd("start","startcmd")
 register_clcmd("stop","stopcmd")
 register_clcmd("say /start","startcmd")
 register_clcmd("say /stop","stopcmd")
}



public timer_task() {
 for(new i=1;i<=get_maxplayers();i++) {
     if(is_user_alive(i) && timer_started[i-1]) {
         new Float:sec = get_gametime() - timer[i-1], min
         if((sec / 60.0) >= 1) {
             min = floatround(sec / 60.0,floatround_floor)
             sec -= min * 60
         }
         client_print(i, print_center , "%d : %f",min ,sec)
            
     }
 }
}

public startcmd(id) {
 timer_started[id-1] = true
 timer[id-1] = get_gametime()
}
public stopcmd(id) {
  new  min
  new Float:sec = get_gametime() - timer[id-1]
  if((sec / 60.0) >= 1) {
   min = floatround(sec / 60.0,floatround_floor)
   sec -= min * 60
  }
  timer_started[id-1] = false
  client_print(id, print_center, "%d : %f",min ,sec)
}