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uses crt;
const fi='max.out';
var f1:text;
a,b,c,max:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('a='); readln(a);
write('b='); readln(b);
write('c='); readln(c);
max:=a;
if max<b then max:=b;
if max<c then max:=c;
writeln(f1,max);
close(f1);
readln;
end.
uses crt;
const fo='b.txt';
var f1:text;
a:array[1..200]of integer;
i,n:integer;
begin
clrscr;
assign(f1,fo); rewrite(f2);
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to n do
write(f1,a[i]:4);
close(f1);
readln;
end.
program cap_so_cong;
uses crt; var a: array[1..100] of integer; i, n, k: integer;
{i la bien dem, k de luu cap so} begin clrscr; write('N= ');
readln(n); for i:=1 to n do begin write('A(',i,')= ');
readln(a[i]);
end;
{Bat dau phan kiem tra} k:=a[2]-a[1]; i:=2; repeat i:= i+1; until (a[i]<>a[i-1]+k) or (i>n);
if i>n then write('Day A la mot cap so cong') else
write('Day A khong phai la mot cap so cong');
readln
end.
uses crt;
const fi='kq.txt';
var a:array[1..10]of integer;
i,n:integer;
f1:text;
begin
clrscr;
n:=10;
for i:=1 to n do readln(a[i]);
assign(f1,fi); rewrite(f1);
for i:=1 to n do
begin
if (n%5<>0) then write(f1,a[i]:4);
else writeln(f1);
end;
close(f1);
readln;
end.
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.
uses crt;
const fi='kq.txt';
var a:array[1..15]of real;
i,n:integer;
f1:text;
begin
clrscr;
n:=15;
for i:=1 to n do readln(a[i]);
assign(f1,fi); rewrite(f1);
for i:=1 to n do
begin
if (i mod 5=0) then writeln(f1)
else write(f1,a[i],' ');
end;
close(f1);
readln;
end.
uses crt;
const fo='data.txt';
var f1:text;
a:array[1..10]of integer;
i,n:integer;
begin
clrscr;
assign(f1,fo); rewrite(f1);
n:=10;
for i:=1 to n do readln(a[i]);
for i:=1 to n do write(f1,a[i]:4);
close(f1);
readln;
end.
Câu 2:
uses crt;
var a,b:integer;
{-----------------chuong-trinh-con-------------------}
function ucln(x,y:integer):integer;
var i,uc:integer;
begin
if x<y then
begin
uc:=1;
for i:=1 to x do
if (x mod i=0) and (y mod i=0) then
begin
if uc<i then uc:=i;
end;
end
else begin
uc:=1;
for i:=1 to y do
if (x mod i=0) and (y mod i=0) then
begin
if uc<i then uc:=i;
end;
end;
ucln:=uc;
end;
{--------------------------chuong-trinh-chinh------------------------}
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
writeln(a,'/',b,'=',a div ucln(a,b),'/',b div ucln(a,b));
readln;
end.
Câu 1:
const fi='songuyen.inp';
fo='tong.out';
var f1,f2:text;
a:array[1..100]of integer;
i,n,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then t:=t+a[i];
writeln(f2,t);
close(f1);
close(f2);
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b;
double tb;
int main()
{
freopen("dulieu.inp","r",stdin);
freopen("ketqua.out","w",stdout);
cin>>a>>b;
cout<<a<<" "<<b;
cout<<fixed<<setprecision(2)<<(a*1.0+b*1.0)/(2*1.0);
return 0;
}
uses crt;
const fi='max.out';
var f1:text;
a,b,c,max:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('a='); readln(a);
write('b='); readln(b);
write('c='); readln(c);
max:=a;
if max<b then max:=b;
if max<c then max:=c;
writeln(f1,max);
close(f1);
readln;
end.