Int i; // неверно
//...
< 5 ) { //значение неопределено
If( i
 }

int i=0; // верно
//...
< 5 ) {
if( i
 }

local Integer i // неверно
//...
If i < 5 then //значение неопределено
endif

local integer i=0 // верно
//...
if i < 5 then
endif

if( (IsUnitFriend(u) || IsUnitDead(u)) && (! IsUnitChuckNorris(u) ) {
 KickAss(u);

}

if ( (IsUnitFriend(u) or IsUnitDead(u)) and (not IsUnitChuckNorris(u) ) then
 call KickAss(u)
endif

float x;
float y = 1;
float z = 1.1;

local real x
local real y = 1
local real z = 1.1

//плохое решение
string f[];
//...
string name = "scorpy";
int i=0;
while(i<10) {
 f[i] = name + I2S(i);
 if(i==9) { 
 f[i] = f[i] + " always here"; 
 }
 i++;
}
//более оптимально
string f[];
//...
f[0] = "scorpy0";
f[1] = "scorpy1";
f[2] = "scorpy2";
//...
f[8] = "scorpy8";
f[9] = "scorpy9 always here";

//плохое решение
string array f
//...
local string name = "scorpy"
local integer i=0
loop
 exitwhen (i<10)
 set f[i] = name + I2S(i)
 if (i==9) then 
 set f[i] = f[i] + " always here"
 endif
 set i=i+1
endloop
//более оптимально
string array f
//...
set f[0] = "scorpy0"
set f[1] = "scorpy1"
set f[2] = "scorpy2"
//...
set f[8] = "scorpy8"
set f[9] = "scorpy9 always here"