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Bài 1:
const fi='input.txt';
fo='output.txt';
var f1,f2:text;
a,b,s:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
s:=a*b;
writeln(f2,s);
close(f1);
close(f2);
end.
Bài 2:
const fi='dulieu.txt';
fo='ketqua.txt';
var f1,f2:text;
a,b:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
if a>b then writeln(f2,a)
else if b>a then writeln(f2,b)
else writeln(f2,' khong co so lon nhat trong hai so');
close(f1);
close(f2);
end.
Program hotrotinhoc_hoc24;
const fi='dulieu.txt';
fo='ketqua.txt';
var f: text;
a,b,c : integer;
procedure ip;
begin
assign(f,fi);
reset(f);
read(f,a,b,c);
close(f);
end;
procedure out;
begin
assign(f,fo);
rewrite(f);
if (a+b>c) and (a+c>b) and (b+c>a) then write(f,a+b+c);
close(f);
end;
begin
ip;
out;
end.
#include <bits/stdc++.h>
using namespace std;
long long n,i,t;
int main()
{
freopen("dulieu.txt","r",stdin);
freopen("uot.txt","w",stdout);
cin>>n;
t=0;
for (i=1; i<=n; i++)
if (i%2==0) t+=i;
cout<<t;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long i,a[100],n;
int main()
{
freopen("songuyen.txt","r",stdin);
n=20;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
uses crt;
const fi='dulieu.txt';
var f1:text;
a:array[1..100]of real;
t:real;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,n);
for i:=1 to n do readln(f1,a[i]);
t:=0;
for i:=1 to n do t:=t+a[i];
writeln(t);
close(f1);
readln;
end.
const fi='tong.inp';
fo='tong.out';
var f1,f2:text;
a:array[1..100]of integer;
n,i,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do
read(f1,a[i]);
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(f2,t);
close(f1);
close(f2);
end.
const fi='songuyen.txt';
fo='sole.txt';
var f1,f2:text;
n,i,t:integer;
a:array[1..100]of integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
inc(n);
read(f1,a[n]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 2=1 then t:=t+a[i];
writeln(f2,t);
close(f1);
close(f2);
end.
uses crt;
const fi='dulieu.txt';
var f1:text;
a,b,c:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
write('Nhap c='); readln(c);
writeln(f1,a);
writeln(f1,b);
writeln(f1,c);
close(f1);
end.
const fi='dulieu.txt';
fo='tong.doc';
var f1,f2:text;
n,i,s:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
s:=0;
for i:=1 to n do
s:=s+i;
writeln(f2,s);
close(f1);
close(f2);
end.