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1:
uses crt;
const fi='ketqua.txt';
var f1:text;
st:string;
i,d:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('Nhap xau:'); readln(st);
d:=length(st);
for i:=1 to d do
if st[i]=#32 then delete(st,i,1);
writeln(f1,st);
close(f1);
end.
2:
uses crt;
var a,b,c,d:integer;
{----------chuong-trinh-con-----------------------}
function min(x,y:integer):integer;
begin
if x<y then min:=x
else min:=y;
end;
{---------------chuong-trinh-chinh--------------------}
begin
clrscr;
write('a='); readln(a);
write('b='); readln(b);
write('c='); readln(c);
write('d='); readln(d);
writeln(min(a,min(b,min(c,d))));
readln;
end.
Bài 3:
uses crt;
const fi='teptong.txt';
var a,b:integer;
f1:text;
begin
clrscr;
assign(f1,fi); rewrite(f1);
readln(a,b);
writeln(a+b);
writeln(f1,a+b);
close(f1);
readln;
end.
Bài 1:
uses crt;
var a:array[1..200]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 5=0 then t:=t+a[i];
writeln('Tong cac so chia het cho 5 la: ',t);
readln;
end.
Bài 2:
uses crt;
var st:string;
d,i:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
for i:=1 to d do
if st[i]=#32 then delete(st,i,1);
writeln(st);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[10000];
int main()
{
cin>>n;
for (i=1; i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
uses crt;
var a:array[1..200]of integer;
n,i,k,t,t1:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap k='); readln(k);
t:=0;
for i:=1 to n do
if a[i] mod 2<>0 then t:=t+a[i];
t1:=0;
for i:=1 to n do
if a[i] mod k=0 then t1:=t1+a[i];
writeln('Tong cac phan tu le la: ',t);
writeln('Tong cac phan tu la boi cua ',k,' la: ',t1);
readln;
end.
Bài 1:
uses crt;
var S:String;
vt:integer;
begin
clrscr;
Write(‘Nhap 1 xau:’); Readln(S);
While pos(‘nang’,s)>0 do
Begin
Vt:= pos(‘nang’,s);
Delete(s,vt,4);
Insert(‘mua’,s ,vt);
End;
Writeln(‘Xau sau khi thay the ’,s);
Readln;
End.
Bài 2:
uses crt;
var st:string;
d,i,kt:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
kt:=0;
for i:=1 to d do
if st[i]<>st[d-i+1] then kt:=1;
if kt=0 then writeln(st,' la xau doi xung')
else writeln(st,' khong la xau doi xung');
readln;
end.
#include <bits/stdc++.h>
using namespace std;
int A[500],n,i,dem,dem1;
int main()
{
cin>>n;
for (int i=1; i<=n; i++) cin>>A[i];
for (int i=n; i>=1; i--) cout<<A[i]<<" ";
cout<<endl;
dem=0;
for (int i=1; i<=n; i++)
if (A[i]<10) dem++;
cout<<dem<<endl;
dem1=0;
for (int i=1; i<=n; i++)
if (A[i]>1)
{
bool kt=true;
for (int j=2; j*j<=A[i]; j++)
if (A[i]%j==0) kt=false;
if (kt==true) dem1++;
}
cout<<dem1;
return 0;
}
Câu 1:
uses crt;
var st:string;
d,i,dem:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
write('Xau sau khi xoa so la: ');
for i:=1 to d do
if not(st[i] in ['0'..'9']) then write(st[i]);
writeln;
dem:=0;
for i:=1 to d do
if st[i]=#32 then inc(dem);
writeln('Xau co ',dem,' dau cach');
writeln('Do dai cua xau la: ',d);
readln;
end.
Câu 2:
uses crt;
const fi='kq.out';
var st1,st2:string;
f1:text;
begin
clrscr;
write('Nhap xau thu 1:'); readln(st1);
write('Nhap xau thu 2:'); readln(st2);
assign(f1,fi); rewrite(f1);
if length(st2)>length(st1) then writeln(f1,st2)
else writeln(f1,st1);
close(f1);
end.
Program Xau;
Uses crt;
Var St: String;
i: longint;
Begin
Clrscr;
Write('Nhap xau: '); Readln(St);
For i:=1 to length(St) do
St[i] := Upcase(St[i]);
Write('St = ',St);
Readln
End.
cau 1:
uses crt;
var a:array[1..100] of integer;
n,i,min: integer;
begin
readln(n);
for i:=1 to n do
readln(a[i]);
min:=a[1];
for i:=2 to n do
if min>a[i] then min=a[i];
writeln(a[i]);
readln;
end.
cau 2:
uses crt;
g:text;
s:string;
const fo='CHUSO.TXT';
begin
assign(g,fo);
rewrite(g);
readln(s);
for i:=1 to length(s) do
if not((s[i] in ['a'..'z'])and(s[i] in ['A'..'Z])) then delete(s,i,1);
writeln(g,s);
end.