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uses crt;
var st:string;
n,vt,d,i:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
write('Nhap vi tri can xoa:'); readln(vt);
write('Nhap so ki tu can xoa:'); readln(n);
delete(st,vt,n);
writeln('Xau sau khi xoa la: ',st);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
string st1,st2;
int d1,d2;
int main()
{
cin>>st1>>st2;
d1=st1.length();
d2=st2.length();
if (d1<d2) cout<<st1;
else cout<<st2;
return 0;
}
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.
program stringManipulation;
var
st1, st2: string;
countN, i: integer;
begin
write('Nhap vao xau ki tu st1: ');
readln(st1);
countN := 0;
for i := 1 to length(st1) do
begin
if (st1[i] = 'N') or (st1[i] = 'n') then
begin
countN := countN + 1;
end;
end;
writeln('So ky tu N va n trong xau st1 la: ', countN);
st2 := '';
for i := 1 to length(st1) do
begin
if (st1[i] >= 'A') and (st1[i] <= 'Z') then
begin
st2 := st2 + st1[i];
end;
end;
writeln('Cac ky tu in hoa trong xau st1 la: ', st2);
write('Xau st1 viet theo chieu nguoc lai la: ');
for i := length(st1) downto 1 do
begin
write(st1[i]);
end;
readln;
end.
st1 = input("Nhập vào xâu kí tự: ")
count_n = 0
st2 = ""
for char in st1:
if char == 'N' or char == 'n':
count_n += 1
if char.isupper():
st2 += char
print("Số lần xuất hiện của kí tự 'N' và 'n' là:", count_n)
print("Xâu kí tự chỉ chứa kí tự in hoa là:", st2)
print("Xâu kí tự đảo ngược là:", st1[::-1])
uses crt;
var st:string;
begin
clrscr;
readln(st);
delete(st,3,5);
writeln(st);
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.
Program HOC24;
var i,d1,d2: byte;
st1,st2: string[60];
begin
write('Nhap xau st1: '); readln(st1);
//---------------Câu 1-------------------
d1:=0; d2:=0;
for i:=1 to length(st1) do
begin
if st1[i]='A' then d1:=d1+1;
if st1[i]='a' then d2:=d2+1;
end;
writeln('Co ',d1,' ki tu A trong xau');
writeln('Co ',d2,' ki tu a trong xau');
//---------------------- Câu 2 --------------------
st2:='';
for i:=1 to length(st1) do if st1[i] in ['a'..'z'] then st2:=st2+st1[i];
writeln('Xau st2 la: ',st2);
//------------------------------Câu 3--------------------
for i:=1 to length(st1) do st1[i]:=upcase(st1[i]);
write('Xau st1 sau khi in hoa la: ',st1);
//--------------------------------------------------------
readln
end.
uses crt;
var st:string;
d,i:integer;
begin
clrscr;
readln(st);
d:=length(st);
for i:=1 to d do
if not (st[i] in ['0'..'9']) then write(st[i]);
readln;
end.
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.