Tin học
const fi='input.txt';
fo='output.txt';
var st:string;
f1,f2:text;
i,d:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,st);
d:=length(st);
for i:=1 to d do
if st[i]<>#32 then write(f2,st[i]);
close(f1);
close(f2);
end.
Đúng 1
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uses crt;
var a:array[1..100]of integer;
i,n,j,tam:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]<a[j] then
begin
tam:=a[i];
a[i]:=a[j];
a[j]:=tam;
end;
writeln('Day so xep giam dan la: ');
for i:=1 to n do write(a[i]:4);
readln;
end.
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uses crt;
var a,vt:array[1..250]of integer;
i,n,max,dem:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=250);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until a[i]<=500;
end;
max:=a[1];
dem:=0;
for i:=1 to n do
if max<a[i] then max:=a[i];
for i:=1 to n do
if max=a[i] then
begin
inc(dem);
vt[dem]:=i;
end;
writeln('Gia tri lon nhat la: ',max);
write('Vi tri: ');
for i:=1 to dem do
write(vt[i]:4);
readln;
end.
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