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uses crt;
const fi='baitap.txt';
var f1:text;
a:array[1..100]of integer;
n,i:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln(f1,n);
for i:=1 to n do
write(f1,a[i]:4);
close(f1);
readln;
end.
Uses crt; Var f1,f2:text; i,n,max:integer; a:array[1..100] of integer; Begin Assign(f1,'baitap.txt');reset(f1); Assign(f2,'solonnhat.txt');rewrite(f2); While not eof(f1) do Begin Read(f1,n,a[i]); Max:=a[1]; For i:=2 to n do if a[i]>max then max:=a[i]; End; Writeln(f2,'solonnhatla:',max); Close(f1);close(f2); End.
uses crt;
var n,max :integer;
f1,f2:text;
begin
clrscr;
assign(f1,'baitap.txt'); reset(f1);
assign(f2,'solonhat.txt'); rewrite(f2);
max:=0;
while not eof(f1) do
begin
read(f1,n);
if max <n then max:=n;
end;
writeln('solonhatla: ',max:5);
write(f2,max);
close(f1);close(f2);
readln;
end.
cau 1:
uses crt;
var a:array[1..100] of integer;
n,i,min: integer;
begin
readln(n);
for i:=1 to n do
readln(a[i]);
min:=a[1];
for i:=2 to n do
if min>a[i] then min=a[i];
writeln(a[i]);
readln;
end.
cau 2:
uses crt;
g:text;
s:string;
const fo='CHUSO.TXT';
begin
assign(g,fo);
rewrite(g);
readln(s);
for i:=1 to length(s) do
if not((s[i] in ['a'..'z'])and(s[i] in ['A'..'Z])) then delete(s,i,1);
writeln(g,s);
end.
#include <bits/stdc++.h>
using namespace std;
string st;
int d,i,dem;
int main()
{
freopen("xau.inp","r",stdin);
freopen("xau.out","w",stdout);
cin>>st;
d=st.length();
dem=0;
for (i=0; i<=d-1; i++)
if (st[i]=='a') dem++;
cout<<dem;
return 0;
}
a)
PROGRAM BAI1a;
VAR N, Tle, Tchan: integer;
BEGIN
Write ('Nhap N =');
Readln (N);
If (N mod 2) = 0 Then
Tle := N*((N - 2)/2 + 1)/2;
Tchan := (N + 2)*((N - 2)/2 + 1)/2;
If (N mod 2) = 1 Then
Tle := (N + 1)*((N-1)/2 +1)/2;
Tchan := (N + 1)*((N - 3)/2 + 1)/2;
WRITELN ('Sle =', Sle, 'Schan =', Schan);
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.
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.
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.