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Bài 1:
uses crt;
const fi='ketqua.txt';
var f1:text;
a,b,t:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('a='); readln(a);
write('b='); readln(b);
t:=a+b;
writeln(f1,t);
close(f1);
readln;
end.
Bài 2:
uses crt;
const fi='dulieu.txt';
var f1:text;
a,b,t:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,a,b);
t:=a+b;
writeln('tong cua hai so la: ',t);
close(f1);
readln;
end.
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uses crt;
var a:array[1..100]of integer;
min,n,i:integer;
{----------------chuong-trinh-con-------------------}
function nn(x,y:integer):integer;
begin
if x<y then nn:=x
else nn:=y;
end;
{-----------------chuong-trinh-chinh-----------------}
begin
clrscr;
write('nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
min:=nn(a[1],a[2]);
for i:=3 to n do
if min>a[i] then min:=a[i];
writeln(min);
readln;
end.
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uses crt;
var mh,sl,tt:longint;
begin
clrscr;
write('Nhap don gia cua mat hang:'); readln(mh);
write('Nhap so luong cua mat hang ',mh,':'); readln(sl);
tt:=sl*mh;
if tt>100 then writeln('So tien phai tra la: ',tt*97/100:4:2)
else writeln('So tien phai tra la: ',tt);
readln;
end.
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Cách 1: Có sử dụng chương trình con
uses crt;
var st:string;
{------------chuong-trinh-con-------------------}
function doi(st1:string):string;
var i,d:integer;
begin
d:=length(st1);
for i:=1 to d do
st1[i]:=upcase(st1[i]);
doi:=st1;
end;
{-------------------chuong-trinh-chinh--------------------}
begin
clrscr;
write('Nhap xau:'); readln(st);
writeln(doi(st));
readln;
end.
Cách 2: Không sử dụng chương trình con
uses crt;
var st:string;
i,d:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
for i:=1 to d do
st[i]:=upcase(st[i]);
writeln(st);
readln;
end.
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*Cách có sử dụng chương trình con:
uses crt;
var st:string;
{--------------chuong-trinh-con---------------}
function doixau(st:string):string;
var i,d:integer;
begin
d:=length(st);
for i:=1 to d do
st[i]:=upcase(st[i]);
doixau:=st;
end;
{-------------chuong-trinh-chinh---------------}
begin
clrscr;
write('Nhap xau:'); readln(st);
writeln('Xau doi sang chu hoa la: ',doixau(st));
readln;
end.
*Cách không sử dụng chương trình con:
uses crt;
var st:string;
i,d:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
for i:=1 to d do
st[i]:=upcase(st[i]);
writeln('Xau sau khi doi la: ',st);
readln;
end.
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Program hotrotinhoc;
var a: array[1..500] of integer;
i,n: integer;
t: longint;
function kt(x: integer): boolean;
begin
kt:=true;
if (x mod 3=0) or (x mod 5=0) then exit;
kt:=false;
end;
procedure input;
begin
write('Nhap so phan tu :'); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); read(a[i]);
end;
end;
begin
input;
t:=0;
for i:=1 to n do
if kt(a[i]) then t:=t+a[i];
write('Tong cac so chia het cho 3 hoac 5 la :',t);
readln
end.
C#
Microsoft Visual Studio 2012 thì làm C#/C++/Python là chính chứ làm ngôn ngữ nào