Câu 1:
uses crt;
var n,i,s:integer;
begin
clrscr;
s:=0;
write('Nhap n: '); readln(n);
for i:=1 to n do s:=s+i;
write('Tong: ',s);
readln;
end.
Câu 2:
uses crt;
var a:array[1..1000000] of longint;
n,i,s:integer;
begin
clrscr;
s:=0;
write('Nhap so luong phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(a[i]);
s:=s+a[i];
end;
write('Tong: ',s);
readln;
end.
Câu 3:
uses crt;
var a:array[1..1000000] of longint;
n,i,d:integer;
begin
clrscr;
d:=0;
write('Nhap so luong phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(a[i]);
if a[i] mod 3=0 then d:=d+1;
end;
write('Co ',d,' so chia het cho 3');
readln;
end.
Câu 4:
uses crt;
var a:array[1..1000000] of real;
min:real;
n,i:integer;
begin
clrscr;
write('Nhap so luong phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(a[i]);
end;
min:=a[1];
for i:=2 to n do if a[i]<min then min:=a[i];
write('Min: ',min:0:2);
readln;
end.
Câu 5:
*Đề sai nhé bạn, s là integer mới đúng.
uses crt;
var a:array[1..1000000] of real;
n,i,s:integer;
begin
clrscr;
s:=0;
write('Nhap so luong phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(a[i]);
if a[i] mod 2=0 then s:=s+a[i];
end;
write('Tong cac so chan: ',s);
readln;
end.