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uses crt;
var a:array[1..100]of real;
n,i:integer;
kq:real;
begin
clrscr;
write('Nhap so ban hoc sinh:'); readln(n);
for i:=1 to n do
begin
write('Nhap can nang cua ban thu ',i,'='); readln(a[i]);
end;
kq:=0;
for i:=1 to n do
kq:=kq+a[i];
writeln('Can nang trung binh cua lop la: ',kq/n:4:2);
readln;
end.
Bai 2:
uses crt;
var a:array[1..100]of integer;
i,n,t,nn:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
nn:=a[1];
for i:=1 to n do
if nn>a[i] then nn:=a[i];
write(nn);
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.
Program HOC24;
var d,i,n,x: integer;
t: longint;
a: array[1..32000] of integer;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Chi so cac phan tu co gia tri bang 0 la: ');
for i:=1 to n do if a[i]=0 then write(i,' ');
writeln;
d:=0; t:=0;
write('Nhap X: '); readln(x);
for i:=1 to n do if a[i]>x then d:=d+1;
writeln('Co ',d,' phan tu co gia tri lon hon ',x);
if n=20 then
begin
for i:=5 to 20 do t:=t+a[i];
end else write('Du lieu da cho chua du 20 phan tu');
write('Tong cac phan tu co gia tri nam trong doan 5 den 20 la: ',t);
readln
end.
uses crt;
var a:array[1..250]of integer;
i,n,t,x,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Chi so cac phan tu co gia tri bang 0 la: ');
for i:=1 to n do
if a[i]=0 then write(i:4);
writeln;
write('Nhap x='); readln(x);
dem:=0;
for i:=1 to n do
if a[i]>x then inc(dem);
writeln('So phan tu lon hon ',x,' la: ',dem);
t:=0;
for i:=1 to n do
if (5<=a[i]) and (a[i]<=20) then t:=t+a[i];
writeln(t);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
double b[100],x,ln,t;
int i,n,dem;
int main()
{
cin>>n;
ln=-1e10;
for (i=1; i<=n; i++)
{
cin>>b[i];
ln=max(ln,b[i]);
}
for (i=1; i<=n; i++)
cout<<b[i]<<" ";
cout<<endl;
cout<<ln<<endl;
t=0;
dem=0;
for (i=1; i<=n; i++)
if (a[i]>x)
{
t=t+a[i];
dem++;
}
cout<<fixed<<setprecision(2)<<t/(dem*1.0);
return 0;
}
Var a:array[1..100] of integer;
i,d1,d2:integer;
Begin
For i:=1 to 100 do
Begin
Write('Nhap phan tu thu ',i);readln(a[i]);
End;
For i:=1 to 100 do
If a[i] mod 2 = 0 then d1:=d1+1
Else d2:=d2+1;
Writeln('So phan tu chan la ',d1);
Write('So phan tu le la ',d2);
Readln;
End.
uses crt;
var n,i,a[100],dem1,dem2:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then inc(dem1)
else inc(dem2);
end;
writeln(dem1,' ',dem2);
readln;
end.
uses crt;
var a,b,c:array[1..1000]of integer;
i,n,dem,max:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
max:=a[1];
for i:=1 to n do
if max<a[i] then max:=a[i];
for i:=1 to n do
if max=a[i] then
begin
inc(dem);
b[dem]:=a[i];
c[dem]:=i;
end;
if dem=1 then writeln('So lon nhat la: ',b[dem],' vi tri la: ',c[dem])
else writeln('So lon nhat la: ',b[1],' vi tri la: ',c[1]);
readln;
end.