viết chương trình biến mảng tính tổng của n số nguyên nhập từ bàn phím
đề thi hk2 đó ai zúp vs
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
uses crt;
var n, i, j, dem: longint; {Bạn có thể thay longint thành integer nha}
A:array[1..1000] of longint;
begin
clrscr;
Write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': ');
readln(A[i]);
end;
Write('Cac so nguyen to co trong mang la: ');
for i:=1 to n do
begin
dem:=0;
for j:=2 to A[i]/2 do
if A[i] mod j=0 then dem:=dem+1;
if dem=0 then write(A[i],'; ');
end;
end.
uses crt;
var a:array[1..100]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(t);
readln;
end.
program mang;
uses crt;
var
N, i: integer;
a: array[1..100] of integer;
sum, average: double;
begin
clrscr;
write('Nhap so phan tu mang: ');
readln(N);
sum := 0;
for i:= 1 to N do
begin
write('Nhap phan tu thu ', i, ': ');
readln(a[i]);
sum := sum + a[i];
end;
writeln('Cac phan tu cua mang la:');
for i:= 1 to N do
write(a[i], ' ');
average := sum / N;
writeln('Tong cac phan tu cua mang la: ', sum:0:2);
writeln('Trung binh cong cua mang la: ', average:0:2);
readln;
end.
Câu 1:
uses crt;
var a:array[1..500]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
if (a[i]<0) and (a[i] mod 7=0) then t:=t+a[i];
writeln('Tong cac so am chia het cho 7 la: ',t);
readln;
end.
Câu 2:
uses crt;
var c,a:array[1..10]of integer;
i,kt,j,dem:integer;
begin
clrscr;
for i:=1 to 10 do
begin
write('C[',i,']='); readln(c[i]);
end;
dem:=0;
for i:=1 to 10 do
if c[i]>1 then
begin
kt:=0;
for j:=2 to c[i]-1 do
if c[i] mod j=0 then kt:=1;
if kt=0 then
begin
inc(dem);
a[dem]:=c[i];
end;
end;
if dem=0 then writeln('Trong day khong co so nguyen to')
else begin
writeln('Cac so nguyen to trong day la: ');
for i:=1 to dem do
write(a[i]:4);
end;
readln;
end.
Câu 3:
uses crt;
var d:array[1..200]of integer;
i,k,dem:integer;
begin
clrscr;
write('Nhap k='); readln(k);
for i:=1 to k do
begin
write('D[',i,']='); readln(d[i]);
end;
dem:=0;
for i:=1 to k do
if (a[i] mod 2=0) and (a[i]>=10) then inc(dem);
writeln('So phan tu chan co 2 chu so la: ',dem);
readln;
end.
1:
uses crt;
var a:array[1..100]of integer;
i,n,max: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];
for i:=1 to n do
if max<a[i] then max:=a[i];
writeln(max);
readln;
end.
2:
uses crt;
var s:real;
i:integer;
begin
clrscr;
s:=0;
for i:=1 to 100 do
s:=s+1/i;
writeln(s:4:2);
readln;
end.
Var a:array[1..1000] of integer;
s:longint;
i,n:integer;
Begin
Write('n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap so thu ',i);readln(a[i]);
If a[i] > 0 then s:=s+a[i];
End;
Write('Tong la ',s);
Readln
End.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n,t;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
t=0;
for (i=1; i<=n; i++) t+=a[i];
cout<<t;
return 0;
}
uses crt;
var a:array[1..100]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
if a[i]>0 then t:=t+a[i];
writeln(t);
readln;
end.
Program HOC24;
var n,d,i: integer;
B: array[1..100] of integer;
t: longint;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('B[',i,']='); readln(b[i]);
end;
d:=0; t:=0;
for i:=1 to n do
if b[i]>0 then
begin
d:=d+1;
t:=t+b[i];
end;
writeln('Tong cac so duong trong day so la: ',t);
write('Co ',d,' so duong trong day');
readln
end.
uses crt;
var b:array[1..100] of longint;
n,i,d,s:longint;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']: '); readln(b[i]);
if b[i]>0 then begin
inc(d);
inc(s,b[i]);
end;
end;
writeln('Tong cac so duong: ',s);
writeln('Co ',d,' so duong');
readln;
end.