代码仅供参考:
var
n,x,y,t,i,p:longint;
st:string;
flag:boolean;
begin
readln(n);
x:=0;
y:=0;
t:=0;
flag:=false;
for i:=1 to n do begin
readln(st);
if pos(’t’,st)=0 then begin
val(st,p);
case t of
0:y:=y+p;
1:x:=x+p;
2:y:=y-p;
3:x:=x-p;
end;
if true then begin
writeln(’(’,x,’,’,y,’)’);
flag:=true;
end;
end
else begin
if st=’right’ then t:=(t+1) mod 4
else t:=(t+3) mod 4;
end;
end;
if not flag then writeln(’(0,0)’);
end.
program af;
var
n,a,b,i,m,t,man,fangx:longint; st:string;
begin
read(n); fangx:=0; a:=0; b:=0; man:=0;
for i:=1 to n do
begin
readln(st);
if st=’left’ then fangx:=(fangx+3) mod 4
else if st=’right’ then fangx:=(fangx+1) mod 4
else begin
val(st,t);
man:=1;
case fangx of
1:a:=a+t;
2:b:=b-t;
3:a:=a-t;
0:b:=b+t;
end;
writeln(’(’,a,’,’,b,’)’);
end;
end;
if man=0 then writeln(’(0,0)’);
end.