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Program hotrotinhoc_hoc24;
const fi='BT.TXT';
fo='KQ.TXT';
var f: text;
x,y,z: integer;
t: longint;
procedure ip;
begin
assign(f,fi);
reset(f);
read(f,x,y,z);
close(f);
end;
procedure out;
begin
assign(f,fo);
rewrite(f);
t:=x+y+z;
write(f,t);
close(f);
end;
begin
ip;
out;
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.
const fi='bt.txt';
fo='kt.txt';
var f1,f2:text;
a,b,c,tbc:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b,c);
tbc:=(a+b+c)/3;
writeln(f2,tbc:4:2);
close(f1);
close(f2);
end.
Câu 3:
Program hotrotinhoc_hoc24;
const fi='dulieu.dat';
fo='dtb.dat';
var a,b,c,d: integer;
procedure ip;
begin
assign(f,fi);
reset(f);
readln(f,a,b);
read(f,c,d);
close(f);
end;
procedure out;
begin
assign(f,fo);
rewrite(f);
write(f,(a+b+c+d)/4:1:2);
close(f);
end;
begin
ip;
out;
end.
uses crt;
var a:array[1..100]of integer;
i,n,max,min:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
max:=a[1];
min:=a[1];
for i:=1 to n do
begin
if max<a[i] then max:=a[i];
if min>a[i] then min:=a[i];
end;
writeln('So lon nhat la: ',max);
writeln('So nho nhat la: ',min);
readln;
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;
}
const fi='vb.txt';
fo='kq.txt';
var f1,f2:text;
a,b,c,t,s:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b,c);
t:=a+b+c;
s:=a*b*c;
writeln(f2,'tong la: ',t:4:2);
writeln(f2,'tich la: ',s:4:2);
close(f1);
close(f2);
end.
Program hotrotinhoc;
const fi='vb.txt';
fo='kq.txt';
var f: text;
a,b,c: real;
procedure ip;
begin
assign(f,fi);
reset(f);
read(f,a,b,c);
close(f);
end;
procedure out;
begin
assign(f,fo);
rewrite(f);
writeln(f,'Tong : ',a+b+c:1:2);
write(f,'Tich : ',a*b*c:1:2);
close(f);
end;
begin
ip;
out;
end.