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uses crt;
const fi='mang.inp';
var f1:text;
a:array[1..10000]of integer;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
read(f1,a[i]);
end;
for i:=1 to n do write(a[i]:4);
close(f1);
readln;
end.
uses crt;
const fi='dst.txt';
var f1:text;
a,b:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,a);
readln(f1,b);
writeln('Tong cua hai so la: ',a+b);
writeln('Gia tri tuyet doi hieu hai so la: ',abs(a-b));
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.
const fi='input.txt';
fo='output.txt';
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 eof(f1) do
begin
inc(n);
read(f1,a[n]);
end;
t:=0;
for i:=1 to n do t:=t+a[i];
write(f2,t);
close(f1);
close(f2);
end.
uses crt;
const fi='data.txt';
var f1:text;
a:array[1..100]of integer;
n,i:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
for i:=1 to n do
if a[i] mod 2=0 then write(a[i]:4);
close(f1);
readln;
end.
const fi='hcn.txt';
fo='ketqua.txt';
var f1,f2:text;
a,b:array[1..100]of integer;
n:integer;
cv,dt:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
inc(n);
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
begin
cv:=(a[i]+b[i])/2;
dt:=a[i]*b[i];
writeln(f2,cv:4:2,' ',dt:4:2);
end;
close(f1);
close(f2);
end.
#include <bits/stdc++.h>
using namespace std;
long long m,n,t,i;
int main()
{
freopen("dulieu.inp","r",stdin);
freopen("ketqua.out","w",stdout);
cin>>m>>n;
t=0;
for (i=m; i<=n; i++)
if (i%2!=0) t+=i;
cout<<t;
return 0;
}
