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uses crt;
var i,n,d:longint;
a:array[1..100] of real;
d1:real;
begin
clrscr;
write('Nhap so hoc sinh trong mot lop: '); readln(n);
for i:=1 to n do
begin
write('Diem trung binh cua hoc sinh thu ',i,' la: ');readln(a[i]);
end;
for i:=1 to n do
if a[i]>=5 then inc(d);
writeln('So luong hoc sinh dat diem trung binh tro len la: ',d);
d1:=d/n*100;
write('Ti le hoc sinh dat diem trung binh tro len la: ',d1:0:0,'%');
readln
end.
uses crt;
var i,d,n:byte;
a:array[1..10]of real;
begin
write('nhap si so lop :');readln(n);
d:=0;
for i:=1 to n do begin
write('nhap diem tb ban thu ',i,' );readln(a[i]);
if a[i]>5.0 then d:=d+1;
end;
writeln('so luong hs dat diem tb tro len la:',d);
writeln('ti le hs dat diem tb tro len la :', (d/n)*100);
readln
end.
Bài 1 :
Uses crt;
Var x,y:integer;
Begin
clrscr;
Readln(x,y);
Write('Tong cua x,y la ',x+y);
Readln
End.
Bài 2 :
Uses CRT;
var x,y,z:integer; tbc:real;
begin
clrscr;
readln(x,y,z);
tbc:=(a+b+c)/3;
Write('Trung binh cong x,y,z la ',tbc:4:2);
Readln
End.
THAM KHẢO:
uses crt;
var a,cv,dt:integer;
begin
clrscr;
write('a='); readln(a);
cv:=a*4;
dt:=sqr(a);
if a>0 then
begin
writeln('chu vi hinh vuong la: ',cv);
writeln('dien tich hinh vuong la: ',dt);
end
else writeln('vui long nhap so a lon hon 0');
readln;
end.
Câu 1:
uses crt;
var n,i,kt:integer;
begin
clrscr;
write('Nhap n='); readln(n);
if n<2 then writeln(n,' khong la so nguyen to')
else begin
kt:=0;
for i:=2 to n-1 do
if n mod i=0 then kt:=1;
if kt=0 then writeln(n,' la so nguyen to')
else writeln(n,' khong la so nguyen to');
end;
readln;
end.
Câu 2:
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 a,b;
int main()
{
cin>>a>>b;
cout<<a-b;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long x,y,z;
int main()
{
cin>>x>>y>>z;
cout<<x+y+z<<endl;
cout<<x*y*z;
return 0;
}